Journal of Energy Engineering: Recent submissions
Now showing items 441-460 of 1539
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Relationship between Electric-Power Sector Development and Socioeconomic Parameters: Statistical Analysis Approach
(ASCE, 10/1/2020 )Electric power is a critical commodity of the modern world where demand for electricity has been increasing significantly in the last decades, and it is expected to keep increasing in the future. Several socioeconomic ... -
Energetic and Exergetic Analyses of a Dual-Fuel Diesel Engine Run on Preheated Intake Biogas-Air Mixture and Oxygenated Pilot Fuels
(ASCE, 10/1/2020 )In the present study of energy and exergy, the raw biogas is chosen as the less reactive inducted renewable fuel in dual-fuel mode (DFM). Further, some crucial parameters like global fuel-air equivalence ratio (Φglobal), ... -
Model Predictive Control of a Piezoelectric Vortex-Induced Vibrations Energy Harvester
(ASCE, 10/1/2020 )In this paper, an optimal control method is proposed for a piezoelectric vortex-induced vibrations (VIV) energy harvester. The harvester comprises a blunt cylinder attached to the tip of a flexible beam. The beam is a ... -
Effects of Water Injection on Performance and Exhaust Emissions of SI Engine with Y2O3-Coated Piston
(ASCE, 10/1/2020 )One of the most critical pollutant emissions in spark ignition (SI) engines is hydrocarbon (HC) emissions, which are partially incomplete combustion products. In this study, the upper surface of a piston was covered with ... -
Comparative Study of Buoy-Actuated Energy-Harvesting Devices for Submersible Sensors
(ASCE, 10/1/2020 )Continuous electrical power supplies are crucial for the success of deep-sea missions given the need for power to energize sensors, actuators, or light sources to monitor activities in deep murky waters. Therefore, viable ... -
Adaptive Greenhouse with Thermochromic Material: Performance Evaluation in Cold Regions
(ASCE, 8/1/2020 1)The intensive energy requirement is a major challenge for greenhouse producers, especially those located in cold regions. An adaptive greenhouse with thermochromic (TC) material has the potential to intelligently regulate ... -
Experimental Research on Cold Start of PFI Two-Stroke Spark-Ignition Kerosene Engine
(ASCE, 8/1/2020 1)To overcome the difficulty of cold start of a spark-ignition (SI) engine fueled with aviation kerosene, a series of experimental investigations were carried out on a port fuel injection (PFI) two-stroke engine. First, the ... -
Two-Stage Self-Healing Restoration Strategy Considering Operating Performance
(ASCE, 8/1/2020 1)Power system resilience requires highly effective self-healing restoration strategies, and calls for superior performance both in system restoration and operation. Most existing restoration methods focus only on restoring ... -
Natural Airflow in a Reversible Double-Glass Window with Reflective Film for Building Applications
(ASCE, 8/1/2020 1)This investigation is focused on assessing the thermal performance of a ventilated double-glass reversible window with reflective film for building applications. The window is composed of two glass sheets separated by a ... -
Numerical Investigation of the Effects of Swirl-Vane Angle and Particle Size on Combustion and Flow Characteristics in a Vertical Cyclone Barrel
(ASCE, 8/1/2020 1)The cyclone-fired boiler has become a very competitive boiler type for utilizing coal with a low ash melting point and high alkali. Because of the higher combustion intensity in the cyclone barrel, good flow and combustion ... -
Numerical Study of Pressure Drop in Stirling Engine Regenerator
(ASCE, 8/1/2020 1)The regenerator of a β-type Stirling engine is simulated with computational fluid dynamics. Emphasis is given to the drop in pressure caused by friction during gas flow through the regenerator matrix. The primary results ... -
Environmental Efficiency of China’s Thermal Power Enterprises: A Bootstrapped Directional Distance Function with Metafrontier Approach
(ASCE, 8/1/2020 1)China’s thermal power generation has attracted worldwide attention because of its significantly high amount of carbon emissions and environmental protection measures. The focus of efficiency studies has gradually shifted ... -
Biodiesel Spray Characteristics and a CFD Simulation Study of Injection Timing Effects on the Combustion Process in a Biodiesel-Fueled, Direct-Injection Rotary Engine
(ASCE, 10/1/2020 )Energy conservation is important in this modern era because of its high demand in transportation systems coupled with the depletion of fossil fuels. Biodiesel is thus an alternative fuel to replace conventional diesel. ... -
Optimal Operation of Microgrids with Load-Differentiated Demand Response and Renewable Resources
(ASCE, 8/1/2020 1)As the level of renewable and distributed energy resources (DER) increases in power systems, there is a coincident effort to ensure ongoing reliability. Microgrids are likely to play a central role in this development ... -
Distributed Energy-Sharing Strategy for Peer-to-Peer Microgrid System
(ASCE, 8/1/2020 1)The rapid growth of renewable distributed generation (RDG) requires further development of the electricity market for distributed energy. This paper proposes an energy-sharing platform as the energy management model with ... -
Analytical Model for Altitude Adaptability of Turbocharged Heavy-Duty Diesel Engine
(ASCE, 8/1/2020 1)This paper proposes an analytical model to predict the maximum altitude adaptability of a turbocharging diesel engine. First, the influence of the turbocharging system parameters on the diesel engine performance at different ... -
Design Optimization of Waste Heat Recovery System around Cement Rotary Kiln
(ASCE, 8/1/2020 1)Portland cement is produced by one of the highest energy-consumptive industrial processes. Within the process, the rotary kiln represents one of the major sources of thermal energy loss. Based on the lengthwise temperature ... -
Development and Assessment of Renewable Energy–Integrated Multigeneration System for Rural Communities in Nigeria: Case Study
(ASCE, 6/1/2020 1)This research designed a multigeneration system that meets the energy requirement of a rural community in Nigeria. This system is powered by the biogas produced from maize silage and chicken manure. Nigeria is the most ... -
Numerical Simulation of Bed Combustion in Biomass-Briquette Boiler
(ASCE, 8/1/2020 1)In this study, a biomass briquette boiler from the Yunnan Dianhong pharmaceutical industry is considered as the research object. Using the computational hydrodynamics software FLUENT, a three-dimensional dynamic model of ... -
Thermodynamic and Exergoeconomic Evaluation of Heat Recovery of Gas Refinery Steam Network Using Organic Rankine Cycle and Kalina Cycle with Different Fluids
(ASCE, 6/1/2020 1)This paper investigated the optimal use of surplus low-pressure steam in the Khangiran gas refinery, Iran. To manage energy and reduce surplus steam waste for heat sources at 150°C, three scenarios were proposed to use ...