JIEE: Journal of Innovations in Engineering Education

Enhancing Humanoid Robot functionality through vision-based navigation with fall recovery and object manipulation

Sabin Acharya, Safal Karki, Aayush Pathak, Bal Krishna Shah, Saroj Shakya — Wed, 31 Dec 2025 00:00:00 GMT

The robotics sector struggles to integrate vision-based navigation on a bipedal humanoid robot capable of performing human-like tasks. Although the use of ultrasonic sensors and infrared sensors is a traditional method for object detection, it has significant drawbacks such as low range, high cost and sensitivity to the environment. “Enhancing Humanoid Robot Functionality Through Vision-Based Navigation with Fall Recovery and Object Manipulation” proposes to give vision to the robot, making it c

Assessment of green roofs in comparison to concrete roofs to mitigate heat on the urban surfaces of Kathmandu

Ashim Ratna Bajracharya, Adarsha Maharjan, Sanjay Uprety — Wed, 31 Dec 2025 00:00:00 GMT

This study examines how well green roofs perform thermally in comparison to concrete roofs and how they affect indoor room temperatures in urban settings. ICIMOD's Kailash Bhawan in Kathmandu valley is the site of the study, which uses temperature and relative humidity data gathered from both green and concrete roofs to reduce the effects of Urban Heat Island (UHI) and increase energy efficiency. The findings show that green roofs greatly reduce the impacts of UHI by lowering surface temperature

Bilingual fake-news detection in low-resource media: A Transformer-based framework for Nepali–English content

Plan Ghimire, Pranjal Shrestha — Wed, 31 Dec 2025 00:00:00 GMT

The spread of misinformation in Nepal, especially across the bilingual Nepali–English media landscape, represents a significant threat to informed public discourse. Existing solutions for low-resource languages often rely on traditional machine learning or simple recurrent neural networks, which struggle with the morphological complexity of Nepali and the semantic nuances of code-switched content. This paper presents a robust, production-ready framework for fake news detection that transitions f

Limit state design of a single-span PSC box Girder Bridge for a seismically active Hilly River crossing: Case study of the Mardi River, Nepal

Wed, 31 Dec 2025 00:00:00 GMT

This study presents the complete analysis and limit state design of a 40-meter single-span box girder bridge made of prestressed concrete (PSC) that spans the Mardi River in Kaski, Nepal. In addition to regional-specific issues like seismicity and mixed traffic loading, the design takes into account a thorough site evaluation that includes in-depth topographic, hydrological, and geotechnical surveys. The effective width approach is used to analyze the deck slab, design the superstructure, a PSC

Modeling bifacial PV performance under variable Albedo using Python: A case study of the Himalayan foothills, Kathmandu

Bishal Kumar, Debendra Bahadur Raut — Wed, 31 Dec 2025 00:00:00 GMT

The ground reflectance known as albedo has a significant impact on the performance of bifacial photovoltaic modules, which generate power from both their front and rear surfaces. Utilizing a Python-based workflow and NREL’s bifacial radiance tool, this study aims to assess the energy yield of bifacial PV under variations in ground reflectance and albedo for the case of Kathmandu utilizing site-specific Typical Meteorological Year (TMY) data. An array of a 590 Wp bifacial module with a bifacialit

Free vibration analysis of an Air Compressor Blade by using Euler Bernoulli and Timoshenko Beam theory

Bikki Chhantyal, Rajiv Kumar Khadka, Hari Bishal Koirala — Wed, 31 Dec 2025 00:00:00 GMT

Compressor blades in gas turbines are highly susceptible to resonant vibrations caused by aerodynamic and mechanical loads, which can lead to fatigue failure. Accurate prediction of their natural frequencies is crucial to ensure safe and efficient operation. This study investigates the free vibration characteristics of a compressor blade with a NACA 6412 airfoil cross-section using both analytical and numerical methods. The blade was modeled as a cantilever beam, and natural frequencies were cal

Biogas production potential from goat droppings at varying operating conditions

Sunil Prasad Lohani, Rajeev Pandey, Smika Sharma, Poushan Shrestha, Rajan Thapa — Wed, 31 Dec 2025 00:00:00 GMT

This paper investigates the biogas production potential of goat droppings under ambient and controlled temperature conditions and discusses the prospects of biogas production potential from goat droppings in Nepal. Different batches of experiments under varied total solids (TS) percentages and temperature conditions indicated that the biogas yield of goat droppings is 558 L/kg VSaddedand 522 L/kgVSaddedunder controlled temperature conditions of 30°C at 10% and 8% TS, respectively. However, under

Reinforcement Learning based Malware mitigation in balanced Multicontroller Software Defined Networking enabled Internet of Things Networks

Babu R. Dawadi, Binod Sapkota, Utkarsha Shukla — Wed, 31 Dec 2025 00:00:00 GMT

The rapid growth of Internet of Things (IoT) ecosystems has led to an increase in sophisticated malware threats that require advanced security solutions. This research proposes a novel reinforcement learning framework that combines Q-learning for dynamic load balancing and REINFORCE for malware classification and mitigation in software-defined networking (SDN)-enabled IoT networks and has been applied innovatively. Q-learning optimizes resource allocation between controllers, achieving a high lo

Design and performance evaluation of a low-cost Root Vegetable washing and peeling Machine

Anishma Gyawali, Kritika Khadka, Ayush Maharjan, Salina Maharjan, Sudan Neupane — Wed, 31 Dec 2025 00:00:00 GMT

This study presents the design and performance evaluation of a low-cost, small-scale mechanical system for simultaneous washing and peeling of root vegetables, with ginger and potatoes as test materials. The machine integrates a horizontally rotating drum lined with compression springs and an internal nozzle array to provide combined abrasive and hydraulic action. Performance tests were conducted at two drum speeds (25 rpm and 60 rpm) and two batch sizes (2.1 kg and 5 kg). Results indicate that

Rethinking urban streetscape: Enhancing urban design qualities for higher walkability at intersection of Itahari, Nepal

Ashim Ratna Bajracharya, Aasish Bk — Wed, 31 Dec 2025 00:00:00 GMT

The state of Itahari Chowk currently presents the challenges stemming from urban development, prioritizing vehicular traffic. This article aims to assess the qualitative aspects of physical surroundings, aiming to identify how different urban design features affect walkability. By applying evidence-based design principles within a knowledge-driven framework, the research seeks to study the ways to enhance walkability and propose effective design solutions for pedestrian-friendly environments. Th

Mitigating vehicular emissions in Kathmandu valley by a clean energy approach

Wed, 31 Dec 2025 00:00:00 GMT

The Kathmandu Valley has experienced a sharp decline in air quality over the last few decades, primarily due to a surge in vehicular emissions driven by rapid and unmanaged urbanization. This study aimed to quantify the annual emissions from the vehicular sector and assess the potential reductions achievable through the electrification of public buses. A bottom-up approach was employed, incorporating real-time traffic data, structured surveys, and localized emission factors to quantify the total

Statistical analysis on variability of Annual Daily Maximum Rainfall of South Australia

Faisal Ahammed, Bikash Devkota, Dilruba Farzana — Wed, 31 Dec 2025 00:00:00 GMT

Rainfall variability assessment is crucial for effective planning of water resource management in areas with diverse climatic conditions like Australia. The objective of this study is to examine rainfall variability patterns in South Australia (SA) by analyzing Annual Daily Maximum Rainfall (ADMR) and Annual Rainfall (AR) data. Four weather stations were selected: two from the eastern and two from the southern part of SA to consider spatial variation in rainfall distribution. 30 years of rainfal

CNN-LSTM hybrid Architecture for over-the-air Automatic Modulation Classification using SDR

Krishna Acharya, Bipul Kumar Dahal, Dinesh Baniya Kshatri, Dinanath Padhya — Wed, 31 Dec 2025 00:00:00 GMT

Automatic Modulation Classification (AMC) is a core technology for future wireless communication systems, enabling the identification of modulation schemes without prior knowledge. This capability is essential for applications in cognitive radio, spectrum monitoring, and intelligent communication networks. We propose an AMC system based on a hybrid Convolutional Neural Network (CNN) and Long Short-Term Memory (LSTM) architecture, integrated with a Software Defined Radio (SDR) platform. The propo

Forced vibration of multidisc Shaft with rotating unbalance

Bishwas Gautam, Mahesh Chandra Luitel, Pankaj Yadav — Wed, 31 Dec 2025 00:00:00 GMT

Most of the modern day engineering systems use rotor dynamics for the transmission of power. The slightest imbalance in the rotor system can create a massive loss in the energy transfer and the system’s life. This study explores the dynamic behavior of multidisc shaft systems with rotating unbalance, a crucial area in mechanical engineering, by integrating analytical modeling, mathematical formulations, and finite element simulations using ANSYS. The shaft is modeled as a flexible Euler-Bernoull

Study of surface roughness and its effect on the Nusselt number of circular microchannel

Hari Bahadur Darlami, Shuveksha Sapkota — Wed, 31 Dec 2025 00:00:00 GMT

Miniaturization is playing an increasingly important role in ensuring the sustainability of energy systems and increasing their efficiency. In the current design environment, a high heat transfer rate with minimal pumping power is a key consideration. Microchannels are distinguished by flow and heat transfer in restricted microscopic geometries. The numerical simulation and analytical calculations were carried out in circular microchannels to evaluate roughness and its effect on the value of the

Evaluation of performance characteristics of Jatropha Biodiesel blend in a single-cylinder Diesel Engine: A simulation approach

Wed, 31 Dec 2025 00:00:00 GMT

This study evaluates the performance characteristics of Jatropha biodiesel blends using Ricardo Waive software. A simulation model of a 3.5 kW variable compression ratio diesel engine was developed with all possible geometric parameters. The test was conducted by varying the load from 0.5 kg to 12 kg. Jatropha biodiesel blends were prepared based on Fatty Acid Methyl Ester (FAME) data, including 10JBME (10% Jatropha biodiesel, 90% diesel), 15JBME (15% Jatropha biodiesel, 85% diesel), and 20JBME

Evaluation of performance, combustion and emission characteristics of blends of Sesame Biodiesel in a single cylinder Diesel Engine: An experimental approach

Wed, 31 Dec 2025 00:00:00 GMT

The study examines the performance, combustion, and emission characteristics of a diesel engine fueled with sesame biodiesel methyl ester (SBME)–diesel blends containing 0–100% SBME by volume (i.e., 0%, 10%, 20%, 30%, and 40% SBME blended with conventional diesel. The findings highlight significant improvements in combustion efficiency and emissions reduction with SBME compared to diesel, with 20 SBME emerging as the optimal blend. For 20 SBME, Brake Thermal Efficiency improves by 9.57%, and spe

Earthquake intensity for Lalitpur, Nepal

Hari Ram Parajuli, Milan Thapa — Wed, 31 Dec 2025 00:00:00 GMT

Using probabilistic seismic hazard analysis (PSHA), an effort has been made to evaluate the seismic hazard at rock level in terms of peak horizontal acceleration (PHA) at two locations in the Lalitpur district. The site's earthquake database was created by combining the several databases. To depict the region's earthquake recurrences, a magnitude frequency relationship was created. The probabilistic spectra for the two sites were then generated by estimating the peak ground acceleration using Yo

Sensitivity analysis of Pit characteristics in Urban Stormwater drainage design

Wed, 31 Dec 2025 00:00:00 GMT

Stormwater management is one of the main increasing challenges of rapid urbanization, environmental deterioration, and climate change. Stormwater drainage systems have been using in urban areas for years to address those challenges. Suitable design and evaluation of that systems are needed to effectively manage floods in a specific area. Stormwater drainage systems of varied pit characteristics were analyzed in a residential area of the city of Onkaparinga in South Australia (SA) using DRAINS so

Seismic pounding simulation between Two adjacent Buildings

Wed, 31 Dec 2025 00:00:00 GMT

The seismic hazard of structures colliding during an earthquake, arising from constrained separation gaps between adjacent buildings, constitutes a significant concern. This phenomenon is particularly pronounced in seismically active region like Kathmandu with dense plinth to land space ratio. Such scenarios result in heightened risks of collisions, increased building displacements with instantaneous acceleration, and greater ductility demands. This research delves into the impact of pounding on

Energy storage systems in the context of Nepal

Geeta Bhatta, Prabin Dhakal, Rashmi Karki, Dilip Khatiwada, Sunil Prasad Lohani — Mon, 30 Dec 2024 00:00:00 GMT

Energy storage is essential for managing the reliability of renewable energy by responding to fluctuations of energy systems. With the dominance of hydropower, constituting 95% of Nepal's generation capacity, mostly by run-of-river, energy storage systems (ESS) are vital not only during dry seasons but also to address vulnerabilities of hydropower stations during the rainy season. Moreover, Nepal’s inadequate commitment to diversifying the energy mix, particularly with a focus on modern renewabl

Structural performance optimization of Reinforced concrete buildings with rooftop Telecommunication towers: A location-based analysis

Mon, 30 Dec 2024 00:00:00 GMT

This study evaluates the structural response of an RCC building in Parbat, Nepal, with a rooftop telecommunication tower positioned at various locations. In our case, a telecommunication tower is already located at a certain position in the building, and we are trying to evaluate the optimal position of telecommunication tower. The site lies in seismic Zone V as per IS 1893:2016 (Part 1), indicating very high seismic activity, and is subject to significant wind loads. This study examines the str

Cost allocation for cross-border transmission lines in the BBIN sub-region using Game theory

Ayshuma Gautam, Khem Gyanwali — Mon, 30 Dec 2024 00:00:00 GMT

The BBIN sub-region - Bangladesh, Bhutan, India, and Nepal - are witnessing a significant surge in electricity demand, accompanied by an uneven distribution of resources and consumption patterns across the region. Optimizing the unevenly distributed energy resources through a harmonized generation mix, tailored to the distinct load patterns and demands of individual nations, creates opportunities for enhanced electricity trade through multilateral cooperation. To facilitate this, the region has

Analysis of Level of Service and Quality of Service of shared Bicycle lane of Lalitpur- A case study of Kupondole to Lagankhel road section

Sahan Sundar Baidya, Gopal Gautam — Mon, 30 Dec 2024 00:00:00 GMT

As used in the all the major European countries, bicycle is the major transport vehicle used for urban mobility due to its environmental, social and economic benefits. The cycle lane of the Lalitpur was made as the shared cycle lane which prioritizes the cycle users first and then it can be shared by other vehicles as well. But this concept faced various criticisms as it is not considered safe, especially in the route of Lalitpur which accommodates large number of other traffic volume. In this c

Conservation sensitivity: A Case of Lubhu

Mon, 30 Dec 2024 00:00:00 GMT

Lubhu which is a 700-year-old traditional Newari settlement just 6 km east of Patan Lalitpur, Nepal. Being so close to Patan and having similarities in culture and traditions, Lubhu has much more to offer strong historical and cultural significance of the Newari settlement in Kathmandu Valley. However, the town has been developing rapidly risking the extinction of historical and cultural practices and uniqueness of the city.This research intends to find the conservation sensitivity of the local

Comparative engine testing of Bio-CNG and Gasoline: Performance and emission impacts in a 175 CC engine

Mon, 30 Dec 2024 00:00:00 GMT

Bio-CNG has emerged as a potential replacement for conventional fossil fuels used in road vehicles, a major source of global air pollution. This research aimed to perform comparative performance and emission analysis under various conditions to observe its viability. A Bajaj, 175 CC powered gasoline, 4-stroke, and carbureted engine was chosen and converted to the bi-fuel system that operates either with gasoline or bio-CNG using an electronically controlled solenoid valve. The engine power and t

Discrete Electronic Load Controller for minimizing Total Harmonic Distortion in Micro Hydro Power Plants

Hari Sharan Dangi, Sandip Dhami, Bimal Poudel, Bishal Poudel, Suraj Shrestha — Mon, 30 Dec 2024 00:00:00 GMT

Micro hydropower systems have emerged as crucial contributors to sustainable energy in remote areas, bringing forth the need for meticulous integration into power grids. Total Harmonic Distortion (THD) stands as a pivotal metric, with elevated levels leading to inefficiencies, equipment degradation, and operational challenges. This abstract presents an innovative approach to tackle this issue by employing a Discrete Electronic Load Controller (DELC) within the realm of multiple Micro hydro power

Analysis of the concentration of heavy metals and their vehicle emission in urban road dust of Kathmandu valley

Bikram Kumar Das, Basant Lekhak, Ram Kumar Sharma, Madhav Narayan Shrestha — Mon, 30 Dec 2024 00:00:00 GMT

Greater environmental harm and health risks are associated with fine urban dust than with coarser urban dust. This study aims to analyze the heavy metal (Cu, Zn and Cd) concentration of heavy traffic road sections and compares it with medium traffic road sections with the same starting and end point for a study of how heavy metals from vehicles contribute to road dust (size <150µm). Twenty-seven dust samples of spatial and temporal vary were collected from the study area and were analyzed by Ato

Soil-structure interaction analysis of well foundation

Bikash Devkota, Sanjay Kumar Jha, Ishwor Chandra Marahatta — Mon, 30 Dec 2024 00:00:00 GMT

Well (caisson) foundation has been used in bridges for a long time to withstand the heavy lateral forces and moments. A better understanding of soil-caisson interaction can help to build a safe and economic well foundation. The behavior of caisson under various soil-structure interaction scenarios was investigated in this study. Different aspects of the well foundation like load-displacement relationship and variations in axial load capacity with varying parameters of soil and caisson were studi

Energy intensity improvement potential of the commercial buildings in developing countries: A case study of Nepal

Mon, 30 Dec 2024 00:00:00 GMT

The need for building-related energy is increasing, mostly in developing countries where urbanization is taking place rapidly with ever-increasing demand in commercial and public services. Globally, energy efficiency is emphasized as a key strategy for addressing rising energy demand and decoupling energy from economic growth. In order to assess the existing status and potential for energy savings in developing nations like Nepal, we compared the energy intensity with and without biomass among N

A comprehensive review of two-phase anaerobic digestion for organic fraction of Municipal Solid Waste

Bikash Adhikari, Subash Dhakal, Anish Ghimire, Pallawi Sharma, Bhola Thapa — Mon, 30 Dec 2024 00:00:00 GMT

Managing municipal solid waste (MSW) is becoming a more pressing global issue that requires creative and long-lasting solutions due to population expansion and changing consumption habits. Given its capacity to transform organic waste into useful resources like biogas and fertilizers, anaerobic digestion (AD) presents a viable solution to the urgent problems related to waste management in this context. This study investigates the potential of AD, and more specifically the two-stage anaerobic dig

Modal analysis of multi-disk rotor system

Mahesh Chandra Luintel, Sunil Pradhan — Mon, 30 Dec 2024 00:00:00 GMT

Controlling vibrations is essential for the safe and efficient operation of these applications, given the significance of the system’s dynamic behavior. Analyzing the modal of rotor systems with multiple disks and imbalanced masses is a vital field of study within mechanical engineering. Previous research has employed diverse methods, such as experimental testing, analytical modelling, and finite element analysis (FEA), to investigate the dynamic and modal characteristics of rotor systems contai

Augmentation of the lubricant heat transfer performance by exploiting the efficacy of Al2O3/ZnO hybrid nanoparticles as additives: An experimental analysis

Mon, 30 Dec 2024 00:00:00 GMT

In the present study, merely emphasis on effect of Aluminum Oxide/Zinc Oxide Hybrid nanoparticle blended in the SAE 15W40 engine oil lubricant at two different concentration 0.1% and 0.01% by weight in thermal range of 330C to 880C, compared and investigated to normal engine oil thermophysical properties whilst soothe other tribological and rheological properties. First, Hybrid Nanoparticles has been prepared by solgel technique using previous research protocol and then subsequent prepared HNP h

Design and fabrication of an electrical glider to compare theoretical and experimental parameter

Mon, 30 Dec 2024 00:00:00 GMT

The use of Unmanned Aerial Vehicles (UAVs) is growing rapidly across many civil application domains, including real-time monitoring, wireless coverage, remote sensing, search and rescue, delivery of goods, security and surveillance, precision agriculture, and civil infrastructure inspection. Nepal, being one of the richest countries in natural resources, faces challenges daily to conserve them. With the vision of conservation and surveillance, there is a need for efficient UAVs that can replace

Transient response analysis of simply supported Pelton turbine during starting and shutdown

Bir Bahadur Chaudhary, Bikki Chhantyal, Mahesh Chandra Luintel — Mon, 30 Dec 2024 00:00:00 GMT

Variations in speed of shaft-disc systems is due to starting, shutdown and maneuver. Starting and shutdown of hydraulic turbine is the condition in which system is subjected to dynamic load causing transient excitation. Previously, study on transient response of shaft-disc system is done by experimental approach. So, mathematical model should be developed to define shaft-disc system for dynamic input. Development of a mathematical model for the study of vibration of a simply supported Pelton tur

Seismic performance evaluation of stone masonry wallet

Paras Khati, Hari Ram Parajuli — Mon, 30 Dec 2024 00:00:00 GMT

This study focuses on the seismic performance evaluation of unreinforced stone masonry wallpiers in typical residential buildings in Nepal, utilizing the finite element method (FEM). Theseismic coefficient method is employed to calculate the horizontal and vertical loads on themasonry wall pier. Key findings indicate that the wall piers are more vulnerable to shearfailure and diagonal tension compared to toe crushing and rocking failures. The failure modessuggest that stone masonry buildings in

A study on reducing energy consumption of residential building using shading devices in Pokhara, Nepal

Shital Babu Acharya, Samikshya Kandel, Abhishek Karn, Luna Thapa — Mon, 30 Dec 2024 00:00:00 GMT

Overall, around 40% of the world’s energy is consumed by the building sector. Energy consumption can be reduced by passive design strategies in the buildings. Among them, shading devices are one of the effective passive design strategies that can significantly reduce solar radiation and heat gain in buildings. This study explored the effects of different types of external shading devices for the reduction of energy consumption on a residential building located in Pokhara, Nepal, and proposed the

Performance analysis of screw turbine with varying design parameters

Swarnim Duwadi, Pawan Khanal, Abhishek Pandey — Mon, 30 Dec 2024 00:00:00 GMT

Small hydropower plays a crucial role in sustainable development, especially in rural areas of developing countries, by offering a cost-effective, local energy solution. This project focuses on optimizing Archimedean Screw Turbines (ASTs) through the analysis of key design variables: flow rate, inclination angle, and blade count. Evaluating twelve AST configurations across two flow rates (0.153 m³/s and 0.210 m³/s), three inclination angles (22.5, 24.5, and 27 degrees), and two blade setups (two

Harmonic analysis of cantilever beam with uniform cross section with a concentrated mass at its free end and with a uniformly distributed harmonic force.

Nabin Adhikari, Anuska Gautam, Mahesh Chandra Luitel — Sat, 30 Dec 2023 00:00:00 GMT

Cracks are one of the most catastrophic breakdowns that reduce useful life and contribute to the collapse of structural elements and structures. Today, component failure is the primary cause of structural element and structure failure. Depending on the depth and location of the crack, surface cracks on structural elements like beams result in significant differences in stiffness of the component. Certain vibrational characteristics can be used to identify beam fractures. The existence of fractur

Particle swarm optimization of star crash box

Bikki Chhantyal, Sanjeev Maharjan — Sat, 30 Dec 2023 00:00:00 GMT

Crash box is energy-absorbing component to ensure the passive safety of vehicles during frontal crash. For crash-boxes - lightweight design, safety requirements absorbing energy are relevant. This research aims to determine the value of geometric design parameters in design space of star crash box optimizing specific energy absorption (SEA). The geometric modelling, meshing and finally input file for LS dyna is created using python scripting. Crash simulation is performed in LS Dyna. The energy

Estimation of hydraulic parameter (Manning’s roughness coefficient) in mountainous river at middle stage of Hindu Kush Himalaya region

Sarita Dawadi, Nirajan Devkota, Suraj Lamichhane, Jebin Tamrakar — Sat, 30 Dec 2023 00:00:00 GMT

Manning's roughness coefficient (n) holds significant importance within a hydrodynamic model, yet its value is notably subject to variation, influenced by both time and specific site conditions. Determining the appropriate value for 'n' is a challenging endeavour, particularly in natural watercourses, given the multitude of factors that impact this coefficient. The research unveils findings from a hydraulic model, examining the fluctuation of Manning’s roughness coefficient concerning discharge,

Existing and alternative air pollution monitoring platforms in Nepal: A systematic review

Sat, 30 Dec 2023 00:00:00 GMT

Air pollution has become one of the most significant threats to the well-being of humanity and the environment in many developing countries, including the Himalayan nation of Nepal. The use of both stationary and mobile instrumentation platforms for environmental and atmospheric research has witnessed a significant growth globally in the last two decades. In this review, we explore the current status of air quality monitoring infrastructure as well as a future scope of using new platforms using

Assessment of municipal solid waste management and socio-economic challenges in integrated solid waste management (A study of Rampur municipality, Palpa)

Ajay Kumar Jha, Laxman Motra, Rupesh Pandey — Sat, 30 Dec 2023 00:00:00 GMT

Solid waste is the useless, unwanted, and discarded material performed from the day-to-day conditioning in the community. The solid waste operation could also be outlined by the discipline related to the operation of generation, storehouse, collection, transfer, processing, and disposal of solid waste. The present paper is based on the study carried out in 75 houses having small family sizes a member of five to seven for identification and categorization of solid waste in Rampur municipality. Fo

Data-driven MLmodels for accurate prediction of energy consumption in a low-energy house: A comparative study of XGBoost, Random Forest, Decision Tree, and Support Vector Machine

Prashnna Ghimire, Sudan Pokharel — Sat, 30 Dec 2023 00:00:00 GMT

Residential building energy consumption is a significant contributor to greenhouse gas emissions. Accurate prediction of total energy use in residential buildings holds vital importance in the context of energy management. In this paper, we propose a data-driven approach using machine learning (ML) models to predict the total energy consumption of a low-energy house based on indoor and outdoor environmental conditions using data from a house located in Belgium. Four ML(ML) models, including Extr

Strength evaluation in sub-base material due to variation of fine particles in soil

Gopal Gautam, Ramesh Karki — Sat, 30 Dec 2023 00:00:00 GMT

For the development of road infrastructure and the various layers connected to it, soils must be compacted in order to increase their strength. Among many other variables, soil type, moisture content, and compaction energy have a significant impact on the compaction qualities of soil. Present study is done to evaluate strength of sub-base material with varying percentage of fines and also the variation of dry density, Optimum Moisture Content (OMC) and California Bearing Ratio (CBR) with fine co

Evaluation of thermal performance in Pulsating Heat Pipe cooling system

Sat, 30 Dec 2023 00:00:00 GMT

The effectiveness of the pulsating heat pipe’s is one of many concerning factor in accessing thermalperformance is contingent on various physical parameters, namely diameter, length, numbers of turn, heatinputs, and fill ratios of the heat pipe. Both experimental and numerical modeling approaches wereemployed to investigate a single-loop heat pipe, aiming to determine the thermal resistance at fill ratios of40%, 50%, and 60% for water. This investigation was conducted under conditions of fluctua

Impact analysis of electricity pricing on the reliability of integrated Nepal power system

Nava Raj Karki, Babita Sharma, Ram Sharan Timilsina, Suman Timilsina — Sat, 30 Dec 2023 00:00:00 GMT

Abstract Time of Use of Electricity Pricing (TOU) strategy is adopted by many countries to reduce the peak load and minimize the cost of Electricity. In this research, the effect of the TOU tariff system on the reliability of the Integrated Nepal Power System (INPS) has been investigated. Implemented TOU is based on three time periods: Peak time, Flat time, and Valley time (PFV). The moving variable method is used to find the optimal PFV period in a day. Particle swarm optimization (PSO) is used

Analysis of vehicle braking dynamics with hydraulic braking system

Prakash Badu, Chiranjivi Dahal, Sacheendra Labh — Sat, 30 Dec 2023 00:00:00 GMT

The stopping distance in vehicle is the distance require to safely stop after the driver has applied the brakes of vehicle. The stopping distance varies from road types to experience of driver. The objective of this study is to determine the stopping distance of vehicle for two different road condition: dry asphaltic and wet asphaltic. The methodology includes studying various factors involve in braking dynamics and validating the analytical calculation with Numerical methods. The velocity in wh

Analysing the optimum effect of the human hair waste as fiber reinforcement in M20 grade concrete

Iswar Man Amatya, Gokarna Bahadur Motra, Bhishma Raj Shigu — Sat, 30 Dec 2023 00:00:00 GMT

Human hairs are considered as unused waste material which are non-degradable and are found in abundance in urban cities like Kathmandu. Human hair as a solid waste has multifaceted environmental problems and the main aim of this study is to utilize such unused human hair to enhance the properties of concrete. Human hair as a fiber possesses high tensile strength property and can be used in concrete to enhance compressive and tensile strength properties of concrete.In this experimental study, exp

Indigenous resources contribution and influence of load curve shapes in the optimal growth of Bangladesh electricity sector

Sat, 30 Dec 2023 00:00:00 GMT

The diminishing natural gas resource has turn out to be a severe energy concern for Bangladesh. This study conducts a detailed evaluation of potential pathways for the development of Bangladesh's electricity sector as an emerging economy by developing a capacity expansion model capable of capturing the hourly operational characteristics of diverse power generators and storage technologies, while also identifying the optimal utilization of limited resources. The simulation results indicate that