Journal of Energy Engineering: Recent submissions
Now showing items 361-380 of 1539
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Effect of Phase Change Materials Integration on the Thermal Performance of a Parabolic Trough Collector
(ASCE, 8/1/2021)In this paper, a parabolic trough collector (PTC) is studied, and its thermal performance is compared to that of an integrated collector storage solar water heater (ICSSWH). The effect of the concentration technology is ... -
Flame Structure and Soot-Precursor Formation of Coflow n-Heptane Diffusion Flame Burning in O2/N2 and O2/CO2 Atmosphere
(ASCE, 8/1/2021)Oxycombustion allied with flue gas recirculation is a promising combustion technology owing to its potential to enhance combustion while reducing pollutant emissions. This numerical work investigated the effects of CO2 ... -
Potential for Carbon-Neutral Advanced Biofuels in UK Road Transport
(ASCE, 8/1/2021)As a result of anthropocentric climate change, there is an urgent need to decarbonize the supply of energy. Organic biomass, referred to as feedstock, can be converted into biofuels that have the potential to decarbonize ... -
Experimental and Simulation Study for Two LTD Stirling Engines
(ASCE, 10/1/2021)The low temperature difference (LTD) Stirling engine is important for solar power application. This study focuses mainly on the influence of physical and geometrical parameters on the operating characteristics of two LTD ... -
Non-Fourier Heat Conduction and Thermal-Stress Analysis of a Spherical Ice Particle Subjected to Thermal Shock in PEM Fuel Cell at Quick Cold Start-Up
(ASCE, 10/1/2021)Quick start at low temperature is one of the key bottleneck technologies that restrict the large-scale commercialization of proton exchange membrane (PEM) fuel cell vehicles. Ice and devices in battery systems based on ... -
Experimental and Numerical Studies of Enhanced Interdigitated Flow Field for PEM Fuel Cells
(ASCE, 8/1/2021)The presence of blockages in the flow field (FF) of proton exchange membrane fuel cells (PEMFCs) increases the mass transport of reactants toward the catalyst layer regions and improves cell performance. In this paper, the ... -
Damping Characteristics of Interconnected Power Systems with Wind-Photovoltaic-Thermal-Bundled Power Transmitted by AC/DC Systems
(ASCE, 10/1/2021)One of the major ways of delivering renewable energy generation from large-scale energy bases in northeast, northwest, and northern China, is to bundle the power from wind-photovoltaic-thermal units and then transmit it ... -
Wind Energy Potential at Elevated Hub Heights in the US Midwest Region
(ASCE, 8/1/2021)The US Midwest successfully generates wind power at a hub height of 80–90 m and the use of tall towers can reduce the wind energy cost. However, the lack of reliable wind data and production estimates at elevated heights ... -
Transport Model for Gas and Water in Nanopores of Shale Gas Reservoirs
(ASCE, 8/1/2021)Because of the many nanoscale pores in shale gas reservoirs (SGRs), the fluid transport mechanisms in shale are complex. Also, previous research has shown that there exists water in the shale plays. Hence, two-phase gas-water ... -
Combined Impact of Alcohol-Fuel Properties on Performance and Emissions Characteristics with Low-Temperature Combustion in a Diesel Engine
(ASCE, 8/1/2021)Low-temperature combustion (LTC) is a new combustion mode, and low cetane number fuels may be more appropriate for the LTC. Fuel properties play important roles both in the physical process of fuel-air mixing and the ... -
Linearized Generation-Expansion Planning Considering Transmission Planning, Switching, and Dynamic-Line Rating
(ASCE, 8/1/2021)Centralized generation-expansion planning is one of the well-known problems in the literature, and usually a static power transmission network is considered for this problem. As power systems are moving toward renewable ... -
Optimization Design and Numerical Study of Liquid-Cooling Structure for Cylindrical Lithium-Ion Battery Pack
(ASCE, 8/1/2021)Thermal management is of great significance to ensure that a battery pack works at a reasonable temperature and avoids thermal runaway. In this study, three different designs of liquid cooling-based lithium-ion battery ... -
Combustion Characteristics of Biogas Fuel Using Particularly Simplified Reaction Mechanism for HCCI Engines
(ASCE, 6/1/2021)Renewable energy resources like biogas fuel are highly needed to overcome the increasing demands on energy and to allow more efficient power transformation. Biogas is not investigated adequately in homogenous charge ... -
Machine Learning–Based Fault Detection and Diagnosis of Organic Rankine Cycle System for Waste-Heat Recovery
(ASCE, 8/1/2021)Utilizing the organic Rankine cycle (ORC) for waste heat recovery is an important energy conversion method. Some faults may occur in the ORC in actual operation, but few studies have focused on the fault detection and ... -
Thermal Analysis of Lightweight Clay Bricks with Typha-Fiber Additives
(ASCE, 8/1/2021)This paper assesses the thermal performance of reinforced Typha-fibers unfired clay bricks. Various Typha additive proportions (0%, 1%, 3%, 7%, 15%, and 20%), by weight in a fibrous form, have been prepared for experimental ... -
Characterization of Gas Saturation in Tight-Sandstone Reservoirs with Rock-Physics Templates Based on Seismic Q
(ASCE, 6/1/2021)Tight-sandstone gas reservoirs have low porosity and permeability, dissimilar pore types, and generally high clay content. Partial saturation leads to local fluid flow induced by seismic waves, resulting in velocity ... -
Influence of Swirl Flow on Combustion and Emissions in Spark-Ignition Experimental Engine
(ASCE, 8/1/2021)This paper presents a numerical study of swirl flow effects on the combustion and emissions in single-cylinder spark ignition engine. First, a three-dimensional (3D) computational fluid dynamics (CFD) simulation was performed ... -
Numerical Study on Soot Suppression of Acetylene Diffusion Flame by Acoustic Oscillated Combustion
(ASCE, 6/1/2021)The suppression of soot generated from acetylene nonpremixed combustion was investigated by following the numerical simulation method. The combustion and soot formation were predicted by the eddy-dissipation and Moss–Brookes ... -
Effect of Isopropyl Alcohol Concentration on the Size and Number of Droplets after Coal-Water Fuel Spraying
(ASCE, 6/1/2021)Coal-water slurries are promising fuels for thermal power engineering. One of the main problems with their combustion is formation of fairly large (with characteristic sizes of more than 1 mm) droplets during spraying ... -
Monitoring the Combustion Characteristic of Premixed Burners with Flame Ionization Current
(ASCE, 8/1/2021)Fully premixed burners are widely used in the field of gas boilers, and the excess air rate is a crucial parameter to control. In this paper, a low-cost solution for monitoring the excess air rate based on the flame ...