Ehsan Houshfar
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View article: Thermo-Kinetic Assessment of Ammonia/Syngas Combustion: Experimental and Numerical Investigation of Laminar Burning Velocity at Elevated Pressure and Temperature
Thermo-Kinetic Assessment of Ammonia/Syngas Combustion: Experimental and Numerical Investigation of Laminar Burning Velocity at Elevated Pressure and Temperature Open
The utilization of ammonia as a fuel for gas turbines involves practical challenges due to its low reactivity, narrow flammability limits, and slow laminar flame propagation. One of the potential solutions to enhance the combustion reactiv…
View article: Efficient utilization of high CO2 landfill-gas for syngas generation: Ultra-rich combustion pathways study in porous media reactor via CFD simulation
Efficient utilization of high CO2 landfill-gas for syngas generation: Ultra-rich combustion pathways study in porous media reactor via CFD simulation Open
The current investigation explores the possibility of extracting syngas from low-calorific value landfill-gas rich-combustion with pure O2, which contains a considerable amount of CO2 in its composition as an effective strategy in CO2 util…
View article: Integrated ejector cooling, PVT, and MGT system for smart building applications: An exergy and technoeconomic optimization study
Integrated ejector cooling, PVT, and MGT system for smart building applications: An exergy and technoeconomic optimization study Open
Rising global energy consumption has increased pollution and greenhouse gas emissions, underscoring the urgent need for sustainable energy solutions. This research tackles this issue by developing an advanced energy system that combines ph…
View article: Enhanced Heat Recovery From Electric Arc Furnaces: Optimization and Comparative Analysis of Steam and Organic Rankine Cycles
Enhanced Heat Recovery From Electric Arc Furnaces: Optimization and Comparative Analysis of Steam and Organic Rankine Cycles Open
In this study, two distinct approaches were proposed for recovering heat from the exhaust gases of electric arc furnaces (EAFs)—the steam cycle and the organic Rankine cycle (ORC). These methods were evaluated based on various criteria, in…
View article: Multi-objective optimization and 4E analysis of a multigeneration system for hydrogen production using WHR in cement plants
Multi-objective optimization and 4E analysis of a multigeneration system for hydrogen production using WHR in cement plants Open
The cement industry is notorious for its significant energy consumption and CO2 emissions. This research focuses on enhancing energy efficiency by implementing a waste heat recovery system in cement plants. A unique power generation setup …
View article: Design and Optimization of a Chemical Looping Hydrogen Production System Using Steam Reforming for Petrochemical Plants
Design and Optimization of a Chemical Looping Hydrogen Production System Using Steam Reforming for Petrochemical Plants Open
Industrial pollution is a significant environmental concern, and researchers are seeking solutions to minimize its impact. Chemical looping combustion is an efficient technique to decrease CO2 emissions. This study delves into its applicat…
View article: Enhancing diesel engine cooling efficiency: A comprehensive numerical study on nanofluid coolants with exergy and economic analysis
Enhancing diesel engine cooling efficiency: A comprehensive numerical study on nanofluid coolants with exergy and economic analysis Open
This research focuses on improving the efficiency of four-stroke diesel engines, widely used in land transport. The study looks at how using nanofluids and different coolant combinations can impact thermophysical properties, such as convec…
View article: Refrigeration components sizing tool for design of domestic refrigerators (ReSiCo): Demonstration in full scale
Refrigeration components sizing tool for design of domestic refrigerators (ReSiCo): Demonstration in full scale Open
Domestic refrigerators have caused various energy-related issues for years. Replacing old refrigerants, using more flexible components, and reducing power consumption have been the main concerns of manufacturers. It is an improper use of e…
View article: Novel hybrid thermal management for Li-ion batteries with nanofluid cooling in the presence of alternating magnetic field: An experimental study
Novel hybrid thermal management for Li-ion batteries with nanofluid cooling in the presence of alternating magnetic field: An experimental study Open
Lithium-ion batteries' dependability, efficiency, and security significantly rely on thermal management systems. This paper aims to design a novel battery thermal management system consisting of metal foam-paraffin PCM composite, nanofluid…
View article: 3D numerical simulation of acoustophoretic motion induced by boundary-driven acoustic streaming in standing surface acoustic wave microfluidics
3D numerical simulation of acoustophoretic motion induced by boundary-driven acoustic streaming in standing surface acoustic wave microfluidics Open
Standing surface acoustic waves (SSAWs) have been widely utilized in microfluidic devices to manipulate various cells and micro/nano-objects. Despite widespread application, a time-/cost-efficient versatile 3D model that predicts particle …
View article: Convective Heat Transfer and Pumping Power Analysis of MWCNT + Fe3O4/Water Hybrid Nanofluid in a Helical Coiled Heat Exchanger with Orthogonal Rib Turbulators
Convective Heat Transfer and Pumping Power Analysis of MWCNT + Fe3O4/Water Hybrid Nanofluid in a Helical Coiled Heat Exchanger with Orthogonal Rib Turbulators Open
Utilizing nanofluids in heat exchangers can lead to improved thermal performance. Nanofluids with suspended carbon nanotubes are specifically desirable in thermal systems because of their unique capabilities. In this study, convective heat…
View article: 3D Numerical Simulation of Acoustophoretic Motioninduced by Boundary-driven Acoustic Streaming Instanding Surface Acoustic wave Microfluidics
3D Numerical Simulation of Acoustophoretic Motioninduced by Boundary-driven Acoustic Streaming Instanding Surface Acoustic wave Microfluidics Open
Standing surface acoustic waves (SSAWs) have been widely utilized in microfluidic devices to manipulate various cells and micro/nano-objects. Despite widespread application, a time-/cost-efficient versatile 3D model that predicts the parti…
View article: Exergy and Exergoeconomic Assessment of Tehran’S Waste to Energy Power Plant
Exergy and Exergoeconomic Assessment of Tehran’S Waste to Energy Power Plant Open
Converting municipal waste into energy through the Waste-to-Energy (WtE) technology has been growing fast during the past decades. Besides the considerable reduction in the waste volume, it can generate steam and/or electricity. In the pre…
View article: Resolving the Non-Productive Periods of Solar Chimney by Integrating with Waste-to-Energy Plant
Resolving the Non-Productive Periods of Solar Chimney by Integrating with Waste-to-Energy Plant Open
Total global renewable energy capacity has been increasing worldwide, i.e. doubled from 2007 to 2016. The main disadvantage of most renewable energy based plants is the lack of reliability for constant electricity production. Solar chimney…
View article: Numerical Simulations of Staged Biomass Grate Fired Combustion with an Emphasis on NOx Emissions
Numerical Simulations of Staged Biomass Grate Fired Combustion with an Emphasis on NOx Emissions Open
In the present paper NOx emissions from biomass combustion was studied, with the objective to demonstrate the applicability of stationary computational fluid dynamics simulations, including a detailed representation of the gas phase chemis…
View article: S-Cl-Na-K Chemistry During MSW Gasification: a Thermodynamic Study
S-Cl-Na-K Chemistry During MSW Gasification: a Thermodynamic Study Open
This succinct thermodynamic study addresses the gasification chemistry (air/fuel ratio of 0.5) of four chemical elements involved in ash-related challenges, i.e. Na, K, S and Cl. At typical temperatures for the process studied, the followi…