Journal of Energy Engineering: Recent submissions
Now showing items 81-100 of 1539
-
Experimental Investigation of Fuel-Spray Droplet Size Distribution Relating to Cold Start Conditions in Diesel Engines
(American Society of Civil Engineers, 2025)AbstractIt is crucial to investigate the droplet diameter distribution properties of spray during cold start conditions in diesel engines in order to comprehend the low-temperature fuel atomization process. A low-temperature ... -
Numerical Analysis of the Effects of Combustion Chamber Geometry on the Performance of Ammonia–Dimethyl Ether Dual-Fuel Engines
(American Society of Civil Engineers, 2025)AbstractTo enhance the combustion efficiency of ammonia fuel, improve the operational stability of ammonia engines, and optimize emission performance, this study employs Converge version 3.2 software to develop an ... -
Low Carbon Scheduling of Distribution Networks Based on Affine Adjustable Robust Optimization Method Considering the Risk of Insufficient Flexibility
(American Society of Civil Engineers, 2025)AbstractUnder the dual carbon goal, the integration of a high proportion of renewable energy into the distribution network has significantly increased the demand for flexibility due to the inherent uncertainties of these ... -
Effect of Ammonia Energy Substitution Ratio on Combustion and Emission Performance of Ammonia and Diesel Dual-Fuel Engine at Different Loads
(American Society of Civil Engineers, 2025)AbstractAmmonia (NH3), both as a hydrogen carrier and a carbon-neutral fuel, has garnered heightened interest in mitigating carbon emissions from transportation. The ammonia/diesel dual-fuel mode can proficiently address ... -
Study on Fractal Characteristics of Compaction Deformation and Recrushing of Graded Crushed Rock Masses under Compression
(American Society of Civil Engineers, 2025)AbstractThe characteristics of compaction deformation and refracturing in crushed rock mass within collapse zones are significant for managing overburden movement and preventing ground subsidence. To explore the compression ... -
Thermodynamic Analysis and Optimization Design of a Novel Building Facade Featuring Embedded Annular Heat Pipe Heat Exchangers and an Integrated Solar Photovoltaic-Thermal System
(American Society of Civil Engineers, 2025)AbstractThe challenges associated with single energy supply, low efficiency, low space interest rate, and inadequate building integration are evident in traditional solar energy utilization. In this study, a novel annular ... -
Dynamic Electrical-Thermal-Mass Response Characteristics of Alkaline Water Electrolysis System
(American Society of Civil Engineers, 2025)AbstractThe intermittent and fluctuating features of renewable sources present challenges for the efficient and secure operation of alkaline water electrolysis for hydrogen production. However, its dynamic response ... -
Heavy Pollution Attributes and Firms’ Green Investment under Power Shortage Risk
(American Society of Civil Engineers, 2025)AbstractAs public concern for environmental protection grows, firms’ attention on pollution governance is increasing, making green investment the optimal avenue for businesses to address this issue. By matching the data ... -
Research on the Occurrence Characteristics of Microscopic Remaining Oil in Ultra-Low Permeability Reservoirs via Nuclear Magnetic Resonance Displacement Technology
(American Society of Civil Engineers, 2025)AbstractIn order to elucidate the occurrence states and variation law of microscopic remaining oil in ultra-low permeability reservoirs, as well as to investigate the water flooding mechanism, and evaluate the displacement ... -
Performance and Economic Analysis of Closed-Loop Heat Extraction by Retrofitting Abandoned Vertical Oil Wells into U-Shaped Wells
(American Society of Civil Engineers, 2025)AbstractOilfield-associated geothermal energy represents a significant resource, and utilizing abandoned wells for heat extraction offers a promising and cost-effective approach to geothermal exploitation. This study ... -
Thermal Management Performance Study of a Novel Immersion-Cooling Cylindrical Battery Module with Graduated-Height-Finned Heat-Dissipation Sleeves
(American Society of Civil Engineers, 2025)AbstractTo improve the thermal performance of cylindrical battery modules used for energy storage, a novel immersion-cooling battery thermal management system (BTMS) is proposed. Heat-dissipation sleeves (HDS) are installed ... -
Multisource Gas Control Technology in Goaf Based on a Three-Dimensional O-Ring Model
(American Society of Civil Engineers, 2025)AbstractTo address the challenges of gas accumulation in the goaf and excessive gas concentrations in the upper corner, a comprehensive investigation was conducted at a coal mine in Shanxi Province. The study utilized ... -
Dynamic Evolution Characteristics of Loaded Coal Fractures Based on Gray Level Co-Occurrence Matrix and Digital Volume Correlation
(American Society of Civil Engineers, 2025)AbstractTo ensure safe coalbed methane (CBM) extraction, it is essential to comprehend how fractures in coal evolve under load. In this study, X-ray computed tomography (CT) was utilized to perform in situ CT scanning tests ... -
Apparent Permeability Model of Gas in Micronano Pores in Coal Seam Considering Multilayer Adsorption, Effective Stress, and Application
(American Society of Civil Engineers, 2025)AbstractGas plays an important role in environmental protection and energy transformation. Rational development and use of gas resources can effectively reduce environmental pressure and promote sustainable development. ... -
Molecular Simulation of CH4 Desorption and CO2 Storage in Coal after Free CO2 Injection
(American Society of Civil Engineers, 2025)AbstractExploring the effect of varying temperatures, confining pressures, and slit pore sizes on the mechanism of CO2 replacing CH4 in coal reservoirs is critical for CO2 storage and coalbed methane (CBM) exploitation. ... -
Thermodynamic Evaluation of Temperature and Hydrogen Concentration Effects on the Performance and Efficiency of SOEC Systems with Different Support Types
(American Society of Civil Engineers, 2025)AbstractSolid oxide electrolysis cells (SOEC) offer advantages in efficiency and energy utilization, making them a focal point of research in the hydrogen energy field. SOEC performance is closely tied to the support ... -
Energy Analysis of Power-to-Power System Using Aqueous Methanol as Energy Carriers
(American Society of Civil Engineers, 2026)AbstractMethanol is a good energy carrier for power storage, and large-scale storage and release of electric energy can be realized through integrated hydrogen production from water electrolysis, CO2 hydrogenation to ... -
Contribution of Anisotropic Features of an Organic-Rich Shale Gas Reservoir on Hydraulic Fracturing
(American Society of Civil Engineers, 2025)AbstractShale gas reservoir plays a significant part in the global energy scene and serves as a valuable addition to the natural gas resource base. The main challenge in the exploration and extraction of shale gas is the ... -
Coordinated Control Design and Hardware-in-the-Loop Verification of High-Temperature Methanol Reforming Fuel Cell System Based on Fuzzy Logic Optimized by Genetic Algorithm
(American Society of Civil Engineers, 2025)AbstractThis study establishes a control-oriented one-dimensional dynamic model of a high-temperature methanol reforming fuel cell. The submodels include a combustion chamber, reforming chamber, gas supply pipe, cathode, ... -
Effect of Trajectory Deviation of Borehole Group on Gas Extraction and Its Underlying Mechanism
(American Society of Civil Engineers, 2025)AbstractIn the process of mine gas extraction, borehole trajectory deviation could result in the formation of gas extraction gap zones, which significantly lower the efficiency of gas extraction. To study the influencing ...