Journal of Energy Engineering: Recent submissions
Now showing items 241-260 of 1539
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Enhancing Air-Breathing Direct Methanol Fuel-Cell Performance by Optimizing Anode Flow-Channel Widths and Open Ratios of Cathode Current Collectors
(ASCE, 6/29/2023 )Air-breathing direct methanol fuel cells (AB-DMFCs) are used as a source of power for portable electronic devices. The width of the anode flow channel in AB-DMFCs plays a vital role in enhancing mass transfer to anode ... -
A New Index to Evaluate the Seepage Capacity of Water-Wet Sandstone Reservoirs
(ASCE, 5/29/2023 )The water-wet sandstone reservoirs in the Liushagang Formation of the Beibuwan Basin has tremendous exploration potential for oil reserves in the South China Sea. However, owing to the weak correlations between petrophysical ... -
Demonstration of a Solar-Driven Ejector Chiller Assisting the Air Conditioning System of a Building
(ASCE, 5/17/2023 )Days with greater amounts of sunshine often have higher cooling demands. This makes solar energy one of the best solutions to mitigate the use of fossil fuels in cooling systems. On the other hand, scientific studies on ... -
3D Thermal-Chemical Reactive Transport Modeling of Fluid-UO2 Reactions under Geological Repository Conditions
(ASCE, 12/23/2022)In this study, we investigated uranium dioxide (UO2) dissolution under geological repository conditions by applying a three-dimensional (3D) thermal-chemical reactive transport model. The transport of chemical species and ... -
Research on Energy Management of Fuel-Cell Electric Tractor Based on Quadratic Utility Function
(ASCE, 10/18/2022)To solve the problems of high pollutant emission of traditional diesel tractors and short continuous operation time of pure electric tractors, a new tractor powertrain system model with a fuel cell as the primary energy ... -
Optimal Strategy for Enhancing Probabilistic Small-Signal Stability in a Power System with Wind-PV-Thermal Bundled Transmission
(American Society of Civil Engineers, 2023/06/01)To address the challenges of integrating ever-increasing renewable energy generation such as wind power and photovoltaic (PV) to the power system concerned, the wind-PV-thermal-bundled (WPTB) transmission mode could be ... -
Experimental Investigation of the Performance and Unburned Methanol, Formaldehyde, and Carbon Dioxide Emissions of a Methanol-Diesel Dual-Fuel Engine
(American Society of Civil Engineers, 2023/06/01)In the context of global efforts to pursue carbon neutrality, the methanol-diesel reactivity controlled compression ignition (RCCI) combustion has become a promising strategy for diesel engines to reduce emissions with ... -
Multiobjective Optimization of a Parallel Liquid Cooling Thermal Management System for Prismatic Batteries
(American Society of Civil Engineers, 2023/06/01)Adhering to the thermal management requirements of prismatic battery modules, an improved lightweight parallel liquid cooling structure with slender tubes and a thin heat-conducting plate is proposed. The multiobjective ... -
A Novel Ejector with Water-Separator Function for Proton Exchange Membrane Fuel Cell System Based on a Transient 3D Model
(American Society of Civil Engineers, 2023/06/01)The design and optimization of the hydrogen circulation system can improve the hydrogen utilization rate and overall system efficiency of the fuel cell system. The ejector and water separator are important parts of the ... -
Research on Different Design of Plane Flow Fields about Intersection Node in PEMFC
(American Society of Civil Engineers, 2023/06/01)Because flow field design is an effective method for improving the performance of proton exchange membrane fuel cells, some novel flow fields have been proposed to improve mass transportation in the horizontal plane using ... -
Effects of Steam-Injection Strategies on Performance and Emission Characteristics of Marine Engines
(American Society of Civil Engineers, 2023/06/01)In this study, the influence of direct steam injection (DSI) on the performance and emissions of marine engines is investigated. Simulation models are developed and tested based on experimental data. Steam is obtained by ... -
Performance Analysis of an Innovative PCM-Based Internal Cooling Design for Cylindrical Lithium-Ion Battery Considering Compact Structure and Uniform Temperature
(American Society of Civil Engineers, 2023/06/01)Limited by the small space size of electric vehicles (EVs), a more concise and lightweight battery thermal management system (BTMS) is in great demand to keep the lithium-ion battery safe. In the current study, the phase ... -
Cofiring Coal Slime with Anthracite in a Down-Fired Utility Boiler: Experimental and Numerical Investigations
(American Society of Civil Engineers, 2023/04/01)Cofiring of coal slime in existing utility boilers is a promising approach to the disposal of coal slime. However, reports about cofiring coal slime with anthracite in the down-fired utility boiler are still few. This work ... -
Sliding Mode Control for Power Tracking of Proton-Exchange Membrane Fuel-Cell System
(American Society of Civil Engineers, 2023/06/01)This paper proposes a novel approach to control the output power of a proton-exchange membrane fuel-cell (PEMFC) system by the current rate of change. First, a 70-kW PEMFC system model is established, which is validated ... -
Synergetic Scheduling Energy and Reserve of Wind Farms for Power Systems with High-Share Wind Power
(American Society of Civil Engineers, 2023/04/01)With wind and other variable renewable energy (VRE) generation gradually becoming the main power source, it is difficult to ensure the flexible and secure operation of the system by completely relying on conventional sources ... -
Numerical Simulation of Liquid Water Transport in a Multiperforated Gas Diffusion Layer of Polymer Electrolyte Membrane Fuel Cells
(American Society of Civil Engineers, 2023/04/01)Efficient water management in the gas diffusion layer (GDL) facilitates the efficient and stable operation of proton exchange membrane fuel cells (PEMFCs). GDL perforation is an effective method for fuel cell water management. ... -
Lost Gas and Desorption Kinetics of Coal at Different Pressures, Exposure Times, and Sampling Intervals
(American Society of Civil Engineers, 2023/08/01)The content of coalbed methane (CBM) is an important parameter that affects the performance of coal extraction and the safety of coal mines. The importance of this parameter is especially more pronounced when using the ... -
Transient Pressure Behavior of Finite-Conductivity Fractures in Horizontal Wells Considering Interference of Water-Injection Wells
(American Society of Civil Engineers, 2023/04/01)Fractured horizontal wells and water-flooding development are effective means to stabilize oil production in low-permeability reservoirs; however, transient pressure behavior analysis based on a single-well testing model ... -
Insights into the Multiscale Conductivity Mechanism of Marine Shales from Wufeng–Longmaxi Formation in the Southern Sichuan Basin of China
(American Society of Civil Engineers, 2023/06/01)Gas-bearing capacity is an important feature in the evaluation of the different properties of shale. The calculation of adsorbed gas and free gas content is the focus of the shale gas-bearing capacity evaluation, for which ... -
Energetic and Exergetic Analyses of Experimentally Investigated Hybrid Solar Air Heater
(American Society of Civil Engineers, 2023/02/01)Solar energy is a type of renewable energy that is readily available, but it must be converted to a usable form using a highly efficient method. The global energy problem that has surfaced in recent years shows the importance ...