Now showing items 1-20 of 152
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Effects of Scavenging-Port Semi-Direct Injection Strategy on Mixture Formation for a Two-Stroke Spark-Ignition Kerosene Piston Engine
(The American Society of Mechanical Engineers (ASME), 2024)The two-stroke spark-ignition (SI) kerosene piston engines (KPE) are commonly utilized in lightweight unmanned aerial vehicles. The quality of mixture formation is crucial for the engine performance. This paper investigates ... -
Study on the Influence Mechanism of Spoiler on Flow and Combustion Process in Rotary Engine Cylinder
(The American Society of Mechanical Engineers (ASME), 2024)The spoiler is vital for optimizing rotary engines, yet its impact on the flow and combustion process within the cylinder remains ambiguous, thereby impeding the optimization efforts for rotary engines. This article, by ... -
Integration of Combined Heat and Power With Renewables and Energy Storage for Reducing Carbon Emission in Transition Pathway Toward Carbon Neutrality
(The American Society of Mechanical Engineers (ASME), 2024)Strong synergies exist between cogeneration and renewables for reducing emission of harmful gases in the transition period toward carbon neutrality. Integration of combined heat and power (CHP) with renewables and energy ... -
Maximizing Waste-to-Energy Potential: Optimizing Batch Torrefaction Reactor of Refuse-Derived Fuel for Efficient Gasification
(The American Society of Mechanical Engineers (ASME), 2024)Refuse-derived fuel (RDF) from municipal solid waste is a promising alternative to fossil fuels, but its varied composition can impede direct gasification. This industrial research project conducted a series of batch ... -
Heat Transfer Characteristics of Methane–Air-Premixed Jet Flames With Flat/Hemispherical Walls
(The American Society of Mechanical Engineers (ASME), 2024)The in-depth study of the mutual coupling between the flame and the wall can significantly enhance the efficiency of actual combustion devices. A two-dimensional numerical model was established for the heat transfer ... -
Multi-Objective Optimization of Diesel Engine Operating Parameters Under Highway Drive Conditions
(The American Society of Mechanical Engineers (ASME), 2024)Experimental and optimization work is carried out to study the effects of fuel injection pressure, boost pressure, pilot injection timing, pilot injection quantity, and main injection timing as input parameters. A ... -
On the Application of Bio-Inspired Sea-Pen Blades in a Savonius Wind Rotor: A Three-Dimensional Computational Analysis
(The American Society of Mechanical Engineers (ASME), 2024)The drag-based Savonius-type wind rotors are usually preferred to harvest wind energy at low-wind velocity conditions. These Savonius rotors are characterized by their compatibility with urban environments and small-scale ... -
Numerical Study on the Enhancing Effects of Bump Turbulence Structures on Wave Rotor Combustor
(The American Society of Mechanical Engineers (ASME), 2024)Enhanced combustion technology is identified as a method that can improve both combustion efficiency and energy utilization. In this article, a bump turbulence structure designed for the channels of a wave rotor combustor ... -
Simulation of Ground Power Unit-3 Stirling Engine With Air as Working Fluid
(The American Society of Mechanical Engineers (ASME), 2024)The immediate need to mitigate climate change presents a chance to move civilization in the direction of a more sustainable future. A Stirling engine has multifuel capabilities such as biomass, solar thermal, and waste ... -
Fluid Transient Analysis for Enhanced Performance of an Energy Recovery Device for a Small-Scale Reverse Osmosis Desalination Unit
(The American Society of Mechanical Engineers (ASME), 2024)This article presents a comprehensive study of a double-acting cylinder (DAC) energy recovery device (ERD). The DAC was specifically designed, manufactured, and experimentally tested within a small-scale 5 m3/day brackish ... -
Thermo-Economic and Environmental Assessment of a Novel SOFC-Based Hybrid Energy Generation System for Combined Cooling Heating and Power Generation
(The American Society of Mechanical Engineers (ASME), 2024)The world's energy demand is increasing day by day due to industrial development and population growth. As a result, creating an effective energy-generation system is essential. In this work, a conventional hybrid solid ... -
Evaluation of Mechanical and Thermomechanical Water Vapor Compression Techniques for Enabling High Temperature Lift Hydration-Based Chemical Heat Pumps
(The American Society of Mechanical Engineers (ASME), 2024)Achieving high temperature lifts (>200K) via a chemical heat pump based on salt hydration/dehydration reactions requires the transport of water vapor from low to high pressure. Alternative compression approaches require ... -
Stage-Wise Kinetic Analysis of Ammonia Addition Effects on Two-Stage Ignition in Dimethyl Ether
(The American Society of Mechanical Engineers (ASME), 2024)Ammonia (NH3) has gained considerable attention as a promising carbon-free hydrogen carrier fuel for internal combustion engines, but its direct use in compression-ignition engines presents challenges, often requiring ... -
Effect of Adding N2/H2O to Ethylene Laminar Diffusion Flame on Soot Formation
(The American Society of Mechanical Engineers (ASME), 2024)The method of adding exhaust gas to fuel to reduce soot and nitrogen oxide (NOX) is called exhaust gas recirculation (EGR). This article was carried out to investigate the effect of adding N2 and H2O to the fuel side to ... -
Investigation of the Flame Stability and Laminar Burning Speed of Propylene/Air/Carbon Dioxide Mixtures Under Conditions of Elevated Temperatures and Pressures
(The American Society of Mechanical Engineers (ASME), 2024)Propylene is a chemical compound with the molecular formula C3H6. It is considered a natural refrigerant and has gained attention in recent years due to its low environmental impact. However, it is highly flammable. To ... -
Stability and Combustion/Emission Characteristics of Stratified Dual-Swirl Oxy-Methane Flames: Effects of Oxygen Fraction
(The American Society of Mechanical Engineers (ASME), 2024)The stability, combustion, and emission features of stratified oxy-methane (CH4/O2/CO2) flames stabilized over a dual annular counter-rotating swirl (DACRS) burner, developed for gas turbine combustion applications, were ... -
Performance Analysis and Optimum Design of a Direct Alcohol Fuel Cell Fueled With Mixed Alcohols
(The American Society of Mechanical Engineers (ASME), 2024)The full oxidation of ethanol in a direct alcohol fuel cell remains a significant technical obstacle. A thermodynamic model of the cell has been developed, incorporating a mixed solution of methanol and ethanol, which ... -
Pyrolysis Treatment for Sludge and Animal Manures: Impact of Heating Rate
(The American Society of Mechanical Engineers (ASME), 2025)This study investigates the thermal degradation behavior of sludge and four types of animal manures (cow, chicken, horse, and sheep) under pyrolysis treatment at different heating rates. The sludge samples were subjected ... -
Reducing Uncertainty in Energy Hub Operation: A Demand Response Approach for Improved Cost-Efficiency
(The American Society of Mechanical Engineers (ASME), 2025)In this article, a daily programming was performed for an energy hub (EH). This EH has a typical electricity generation unit, a boiler, a combined heat and power (CHP), two hectares of solar farm, three wind turbines with ... -
A Sustainable Response Surface Methodology and Analytic Hierarchy Process–Weighted Aggregated Sum Product Assessment Model to Evaluate Performance and Emissions Characteristics of Diesel Engine Using Clove Oil Biodiesel Blend
(The American Society of Mechanical Engineers (ASME), 2025)Replacing diesel with biodiesel generally results in a decrease in exhaust emissions like carbon monoxide, hydrocarbon, particulate matter, and carbon dioxide. However, nitrogen oxide emissions show increasing trends. On ...