Journal of Energy Engineering: Recent submissions
Now showing items 501-520 of 1539
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Abnormal Detection of Wind Turbine Operating Conditions Based on State Curves
(American Society of Civil Engineers, 2019)Wind energy is a clean and renewable energy source and thus has promising future prospects. To increase the utilization rate and power generation of wind turbines and reduce their maintenance costs, it is necessary to ... -
Performance-Aware Cost-Effective Resource Provisioning for Future Grid IoT-Cloud System
(American Society of Civil Engineers, 2019)The rise of the future grid (FG) largely depends on the efficient integration of Internet of Things (IoT) and Cloud computing technologies. By utilizing information and control flows, FG can deliver power more effectively ... -
Mathematical Modeling and Performance Analysis of Seawater Heat Exchanger in Closed-Loop Seawater-Source Heat Pump System
(American Society of Civil Engineers, 2019)The seawater source heat pump (SWHP) utilizes low-grade energy from seawater to satisfy heating/cooling requirements of coastal buildings. Compared with the open-loop SWHP system, the closed-loop system is more stable and ... -
Effect of Flame Inherent Instabilities and Turbulence on Flame Structural Characteristics
(American Society of Civil Engineers, 2019)To evaluate the effect of turbulence and inherent instabilities of flame on flame structural characteristics, experiments were conducted with a 70%-H2/30%-CO premixed flame at various equivalence ratios and turbulence ... -
CFD Modeling and Experimental Spray Studies for Different Heavy Fuel Oil Qualities with Respect to Large Two-Stroke Marine Engines
(American Society of Civil Engineers, 2019)Heavy fuel oil (HFO) is the predominant marine fuel. In the present study, a detailed model of HFO thermophysical properties, recently developed by the authors, is utilized for extensive computational fluid dynamics (CFD) ... -
Spray Characteristics and Engine Performance of Vegetable Oil–Diesel–Ethanol Hybrid Fuel
(American Society of Civil Engineers, 2019)In this work, hybrid fuels consisting of diesel fuel, tung oil, and ethanol were made. The spray characteristics and engine performance of hybrid fuels were studied utilizing a spray visualization system under atmospheric ... -
Fuel Flow Control for Starting a Crankcase-Injected Two-Stroke Spark Ignition Engine Fueled with Kerosene (RP-3)
(American Society of Civil Engineers, 2019)To investigate the fuel flow control for starting a crankcase-injected two-stroke spark ignition (SI) engine that is fueled with rocket propellant 3 (RP-3), a fuel film compensation model for crankcase injection was presented ... -
Photovoltaic Energy System Performance Investigation: Case Study of 5.1-kW Rooftop Grid Tie in Egypt
(American Society of Civil Engineers, 2019)This paper presents a comprehensive status investigation of a designed 5.1-kW residential-scale grid-tie photovoltaic energy system (PVES) equipped with an inverter-based status monitoring scheme. Status variations for 19 ... -
Power Big Data: New Assets of Electric Power Utilities
(American Society of Civil Engineers, 2019)Big data has emerged as an attractive concept in various industry domains. For power engineering, enormous amounts of data from different devices, different geographical locations of the power grid, and different time ... -
Performance Analyses of Ammonia–Water Absorption Cooling Cycle Combined with Enhanced Passive PVT System
(American Society of Civil Engineers, 2019)This study aims to evaluate the thermodynamic performance of an enhanced integrated collector-storage solar (ICSS) or passive photovoltaic-thermal (PVT) system with two reflectors for cooling applications. The solar cooling ... -
Comparative Study of Heat Transfer Enhancement in Parabolic Trough Collector Based on Modified Absorber Geometry
(American Society of Civil Engineers, 2019)The parabolic trough collector (PTC) is one of the most deployed and cost-effective solar concentrating systems available. The PTC under study is modeled after the LS-2 collector with different geometrically modified ... -
Impacts of Biodiesel, Fuel Additive, and Injection Pressure on Engine Emission and Performance
(American Society of Civil Engineers, 2019)A major concern today is the environmental pollution by the emission of gases from vehicles. Biodiesel is a cleaner alternative to petroleum diesel in terms of carbon monoxide (CO), hydrocarbon (HC), and smoke emission. ... -
Photovoltaic Energy System Performance Investigation: Case Study of 5.1-kW Rooftop Grid Tie in Egypt
(American Society of Civil Engineers, 2019)This paper presents a comprehensive status investigation of a designed 5.1-kW residential-scale grid-tie photovoltaic energy system (PVES) equipped with an inverter-based status monitoring scheme. Status variations for 19 ... -
Performance Analyses of Ammonia–Water Absorption Cooling Cycle Combined with Enhanced Passive PVT System
(American Society of Civil Engineers, 2019)This study aims to evaluate the thermodynamic performance of an enhanced integrated collector-storage solar (ICSS) or passive photovoltaic-thermal (PVT) system with two reflectors for cooling applications. The solar cooling ... -
Power Big Data: New Assets of Electric Power Utilities
(American Society of Civil Engineers, 2019)Big data has emerged as an attractive concept in various industry domains. For power engineering, enormous amounts of data from different devices, different geographical locations of the power grid, and different time ... -
Impacts of Biodiesel, Fuel Additive, and Injection Pressure on Engine Emission and Performance
(American Society of Civil Engineers, 2019)A major concern today is the environmental pollution by the emission of gases from vehicles. Biodiesel is a cleaner alternative to petroleum diesel in terms of carbon monoxide (CO), hydrocarbon (HC), and smoke emission. ... -
Comparative Study of Heat Transfer Enhancement in Parabolic Trough Collector Based on Modified Absorber Geometry
(American Society of Civil Engineers, 2019)The parabolic trough collector (PTC) is one of the most deployed and cost-effective solar concentrating systems available. The PTC under study is modeled after the LS-2 collector with different geometrically modified ... -
Aerodynamic Interference between Two Road Vehicle Models during Overtaking
(American Society of Civil Engineers, 2019)Using experimental (particle-image velocimetry and force measurement) and numerical tools [steady Reynolds-averaged Navier-Stokes (RANS) equations with the shear stress transport (SST) k-ω turbulence model], the overtaking ... -
Numerical Analysis of the Effects of Swirl Ratio on the Performance of Diesel Engine Fueled with N-Butanol–Diesel Blends
(American Society of Civil Engineers, 2019)The use of renewable alternative fuels in diesel engines has grown recently. In order to study the effects of different swirl ratios (SRs) on the performance of a diesel engine fueled with n-butanol–diesel blends, the ... -
Energy Generation Efficiency and Strength Coupled Design and Optimization of Wind Turbine Rotor Blades
(American Society of Civil Engineers, 2019)Wind turbine rotor failures have been reported that resulted in substantial damage and cost for maintenance and recovery. This work developed a wind turbine rotor blade design and optimization method to address a coupled ...