Journal of Energy Engineering: Recent submissions
Now showing items 581-600 of 1539
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Combustion Behavior and Kinetics of Turkish Lignite Blended with Biomass/Magnesite Dust
(American Society of Civil Engineers, 2018)The effect of blending on the combustion behavior of a Turkish lignite blended with biomass or magnesite dust using a thermogravimetric analyzer (TGA) coupled with a Fourier transform infrared spectrometer (FTIR) under air ... -
Power Flow Method-Based Integrated Modeling and Optimization for Building Heat Transport and Gas Refrigeration System
(American Society of Civil Engineers, 2018)The combination of heat transport and heat-work conversion processes in thermal systems highlights the importance of the integrated modeling and optimization method. Following the analogy between power flow and heat transfer, ... -
Development and CFD Validation of an Integrated Model for Marine Heavy Fuel Oil Thermophysical Properties
(American Society of Civil Engineers, 2018)The paper presents a new integrated model for calculating the thermophysical properties of marine heavy fuel oil (HFO). The model considers HFO as an equivalent one-component heavy petroleum fraction with undefined composition ... -
Miniature Supersonic Burner for the Study of Combustion at Extreme Conditions. II: External Flow
(American Society of Civil Engineers, 2018)A miniature supersonic burner has been designed with the purpose of studying extreme flow-chemistry interaction. The system combines a first-stage, lean premixed methane/air burner that creates a vitiated flow at pressure ... -
Effect of Exhaust Gas Recirculation on the Combustion and Emissions of Dimethyl Ether in a Passenger Vehicle Diesel Engine
(American Society of Civil Engineers, 2018)The purpose of this work was to investigate the effect of the combustion and emission characteristics of dimethyl ether (DME), diesel fuel, and a DME-biodiesel blend on a passenger vehicle diesel engine. In this study, DME ... -
Comparative Assessment for Improvement of Performance and Exhaust Emissions in Existing Dual-Fuel Diesel Engines
(American Society of Civil Engineers, 2018)Using natural gas as a supplement for the conventional diesel fuel in a compression-ignition environment—a natural gas/diesel dual-fuel (NG/DDF) engine—seems to be a solution for reducing soot and nitric oxide (NO) emissions ... -
Miniature Supersonic Burner for the Study of Combustion at Extreme Conditions. I: Internal Flow
(American Society of Civil Engineers, 2018)A miniature supersonic burner has been designed with the purpose of studying extreme flow-chemistry interaction. The system combines a first-stage, a lean premixed methane/air burner that creates a vitiated flow at elevated ... -
Optical Diagnostics Investigation into the Effect of Pilot Injection Dwell Time and Injection Pressure on Combustion Characteristics and Soot Emissions in a Single-Cylinder Optical Diesel Engine
(American Society of Civil Engineers, 2018)The present work investigates the effect of the injection dwell time and injection pressure on soot reduction potential in an optical single-cylinder light-duty diesel engine. The engine operated under a double-injection ... -
Effect of n-Butanol and Diethyl Ether on Performance and Emission Characteristics of a Diesel Engine Fueled with Diesel–Pongamia Biodiesel Blend
(American Society of Civil Engineers, 2018)This paper deals with the enhancement of performance and emission characteristics of a diesel engine operated on Pongamia biodiesel–diesel blend with the addition of 5% n-butanol and diethyl ether by volume. Engine trials ... -
Experimental Study on Operating Characteristics of On-Board PEMe Hydrogen Generator Integrated with a SI Engine
(American Society of Civil Engineers, 2018)In this paper, operating characteristics of an on-board proton exchange membrane electrolysis (PEMe) hydrogen generator integrated with a spark ignition (SI) engine were investigated. The effect of H2 and O2 produced by ... -
Simulation of Combustion Process and Pollutant Generation in a PCCI Diesel Engine with Adaptable Multiple Injection
(American Society of Civil Engineers, 2018)The combustion process in a single-cylinder turbocharged diesel engine with a pilot-pilot-main injection strategy was simulated using a computational fluid dynamics software. The effect of injection timing on the combustion ... -
Experimental Study on Combustion Behaviors and Carbon Monoxide Emission Characteristics of Single Coal Pellets
(American Society of Civil Engineers, 2018)Combustion behaviors and carbon monoxide emission characteristics of four kinds of coals and their blends, which were shaped into pellets, were investigated in a drop-tube furnace with various gas flow temperature (65–85°C) ... -
Impact of Ethanol and N-Butanol Addition on Fuel Properties and Exhaust Emissions of a Stationary Diesel Engine
(American Society of Civil Engineers, 2018)Ethanol and n-butanol are promising oxygenates to be used in blends with fossil diesel fuel because they have the potential to significantly decrease the particulate matter emissions of compression ignition engines. Moreover, ... -
Synthesis and Stability Study of Biodiesel from Kachnar Seed Oil
(American Society of Civil Engineers, 2018)This study focuses on the introduction of a new biodiesel resource, Kachnar seed oil (KSO). The raw oil was extracted from the seed by Soxhlet extraction. The composition of fatty acids and physicochemical properties of ... -
Influence of Coupling Action of Oxygenated Fuel and Gas Circuit Oxygen on Soot Generation in a Diesel Engine
(American Society of Civil Engineers, 2018)This paper focuses on a four-cylinder light-duty diesel engine and analyzes how the coupling action of oxygenated fuel and gas circuit oxygen impact soot generation based on tests where the in-cylinder ambient oxygen ... -
Autoignition Process in Compression Ignition Engine Fueled by Diesel Fuel and Biodiesel with 20% Rapeseed Biofuel in Diesel Fuel
(American Society of Civil Engineers, 2018)Controlled autoignition delay is considered a very promising new technology, having the potential of combining low fuel consumption with low pollutant emissions. In this study, the effect of pure diesel fuel and biodiesel ... -
Heat Energy Transfer Using Butyl Stearate as Phase Change Material for Free-Cooling Applications
(American Society of Civil Engineers, 2018)Buildings exploit 4% of the total annual global energy consumption and account for 33% of the greenhouse gas (GHG) emissions around the world. A significant portion of this energy is consumed in buildings for heating, ... -
Reduction of HCl Emissions from Combustion of Biomass by Alkali Carbonate Sorbents or by Thermal Pretreatment
(American Society of Civil Engineers, 2018)Elevated emission of hydrogen chloride (HCl) from the combustion of biomass in utility boilers is a major issue, as it can cause corrosion, and in combination with the high alkali content often encountered in these fuels, ... -
Effective Basin–Blade Configurations of a Gravitational Water Vortex Turbine for Microhydropower Generation
(American Society of Civil Engineers, 2018)Among various microhydropower plants, gravitational water vortex power plants are emerging because of their simple installation, reduced setup time, and minimal maintenance cost. The methodology and the selection of a ... -
Effect of Jet A-1/Ethanol Fuel Blend on HCCI Combustion and Exhaust Emissions
(American Society of Civil Engineers, 2018)This paper deals with the effects of adding Jet A-1 fuel to ethanol (E) in proportions of 2/8 vol% in biofuel homogeneous charge compression ignition (HCCI) combustion. Experiments were performed with a four-stroke direct ...