Journal of Energy Resources Technology: Recent submissions
Now showing items 661-680 of 3450
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Technoeconomic Design of a Geothermal-Enabled Cold Climate Zero Energy Community
(The American Society of Mechanical Engineers (ASME), 2021)Development of a zero energy community is more costly in northern cold climates than in moderate regions. Building energy loads are higher, thanks to the colder weather, and site solar photovoltaics (PV) are less productive ... -
Fracture Sustainability in Enhanced Geothermal Systems: Experimental and Modeling Constraints
(The American Society of Mechanical Engineers (ASME), 2021)Enhanced geothermal systems (EGS) offer the potential for a much larger energy source than conventional hydrothermal systems. Hot, low-permeability rocks are prevalent at depth around the world, but the challenge of ... -
Macro Energy Trends and the Future of Geothermal Within the Low-Carbon Energy Portfolio
(The American Society of Mechanical Engineers (ASME), 2020)Exploratory analysis was conducted to understand energy diversification trends within the oil, gas, and power industry and to examine whether geothermal technologies play a role in the low-carbon energy mix. Investigations ... -
Power Generation Using Kites in a GroundGen Airborne Wind Energy System: A Numerical Study
(The American Society of Mechanical Engineers (ASME), 2020)A computational model of a massless kite that produces power in an airborne wind energy (AWE) system is presented. AWE systems use tethered kites at high altitudes to extract energy from the wind and are being considered ... -
Numerical Investigation of Oxygen Permeation Through a Ba0.5Sr0.5Co0.8Fe0.2O3−δ Ion Transport Membrane With Impingement Flow
(The American Society of Mechanical Engineers (ASME), 2020)Ion transport membrane (ITM) is considered to be one of the promising techniques for the separation of oxygen from the air for clean energy applications. Studying flow configurations of gases around Ba0.5Sr0.5Co0.8Fe0.2O3−δ ... -
A Nonlinear Autoregressive With Exogenous Inputs Artificial Neural Network Model for Building Thermal Load Prediction
(The American Society of Mechanical Engineers (ASME), 2020)Thermal load prediction is a key part of energy system management and control in buildings, and its accuracy plays a critical role to improve building energy performance and efficiency. Regarding thermal load prediction, ... -
A Study on Urban Heating System Flexibility: Modeling and Evaluation
(The American Society of Mechanical Engineers (ASME), 2020)This study investigates the urban heating system (UHS) by taking a look at the heat transportation flexibility of the system. We propose the heating system flexibility (HSF) concept to represent UHS’s capability of meeting ... -
Derivation of Entropy and Exergy Transport Equations, and Application to Second Law Analysis of Sugarcane Bagasse Gasification in Bubbling Fluidized Beds
(The American Society of Mechanical Engineers (ASME), 2020)In the present work, the transport equations for mass, momentum, energy, and chemical species as given by the Euler–Euler formulation for multiphase flows are used together with the second law of thermodynamics to derive ... -
Effect of Carbon Dioxide Recirculation and Pressure on Efficiency of the TIPS and ENEL Oxy-Coal Power Cycles
(The American Society of Mechanical Engineers (ASME), 2020)This paper presents the results of thermal efficiency of two coal based oxy-combustion thermodynamic cycles that are modeled using aspen plus. The objective of the present study is to perform a parametric analysis, ... -
Effects of Baffle Width on Heat Transfer to an Immersed Coil Heat Exchanger: Experimental Optimization
(The American Society of Mechanical Engineers (ASME), 2020)In this work, we investigate the effects of the width of an annular baffle region on natural convection heat transfer to an immersed, coiled heat exchanger in an otherwise quiescent sensible hot water storage tank. In the ... -
Experimental Study of Condensation in a Thermoacoustic Cooler With Various 3D-Printed Regenerators Using Water Vapor as the Working Fluid
(The American Society of Mechanical Engineers (ASME), 2020)Thermoacoustics (TA) deals with the conversion of heat into sound and vice versa. The device that transfers energy from a low-temperature reservoir to a high-temperature one by utilizing acoustic work is called TA cooler ... -
Estimating Laminar Flame Speed and Ignition Delay for a Series of Natural Gas Mixtures at IC Engine-Relevant Conditions
(The American Society of Mechanical Engineers (ASME), 2020)Two equations are developed to estimate laminar flame speed and ignition delay for different alkane mixtures at a range of engine-relevant conditions. Fuel mixtures of methane, ethane, propane, butane, and pentane were ... -
Heat Transfer Evaluation for a Two-Pass Smooth Wall Channel: Stationary and Rotating Cases
(The American Society of Mechanical Engineers (ASME), 2020)This study presents findings on combined effects of Reynolds number and rotational effect for a two-pass channel with a 180-deg turn, numerically and experimentally. To have a better understanding of the flow behavior and ... -
Improved Thermodynamic Model for Lean Natural Gas Spark Ignition in a Diesel Engine Using a Triple Wiebe Function
(The American Society of Mechanical Engineers (ASME), 2020)The use of natural gas (NG) in heavy-duty internal combustion engines can reduce the dependence on petroleum fuels and greenhouse gas emissions. Diesel engines can convert to NG spark ignition (SI) by installing a high-energy ... -
Description of Gas Hydrate Using Digital Core Technology
(The American Society of Mechanical Engineers (ASME), 2020)As a new energy source with abundant resources, clean combustion, and high calorific value, gas hydrates have received much attention in recent years. However, the sampling cost is relatively high because the gas hydrates ... -
Thermal Management System Modeling and Simulation of a Full-Powered Fuel Cell Vehicle
(The American Society of Mechanical Engineers (ASME), 2020)Thermal management is an important factor in securing the safe and effective operation of a fuel cell vehicle (FCV). A parameterized stack model of a 100 kW proton exchange membrane fuel cell (PEMFC) is constructed by ... -
Application of a Reduced Mechanism by Computational Singular Perturbation Method to the Calculation of the Ignition Delays of a Turbulence Diffusion Flame CH4/H2/N2
(The American Society of Mechanical Engineers (ASME), 2020)This work presents an application of a reduced chemical kinetic mechanism using computational singular perturbation (CSP) based on the significant indices of the modes on the evolution of species and the degree of participation ... -
Improvement in Savonius Wind Turbines Efficiency by Modification of Blade Designs—A Numerical Study
(The American Society of Mechanical Engineers (ASME), 2020)Savonius wind turbines are special class of vertical axis wind turbines (VAWTs). These are low-cost drag-driven turbines and are known to be inefficient. It is proposed in this study that a simple modification to the turbine ... -
Simultaneous Interpretation of Three-Phase Relative Permeability and Capillary Pressure for a Tight Carbonate Reservoir From Wireline Formation Testing
(The American Society of Mechanical Engineers (ASME), 2020)In this paper, techniques have been developed to interpret three-phase relative permeability and water–oil capillary pressure simultaneously in a tight carbonate reservoir from numerically simulating wireline formation ... -
Statistical Determination of the Experimental Channels Clogging Rates in Mini- and Microchannel Heat Exchangers
(The American Society of Mechanical Engineers (ASME), 2020)This paper presents a new statistical, nondestructive method for determination of the experimental channels clogging rate in a mini- or microchannel heat exchanger. Channels clogging may be caused by inaccurate fabrication ...