Design and Development of Innovative Protracted-Finned Counter Flow Heat Exchanger (PFCHE) for an Engine WHR and Its Impact on Exhaust Emissions

This article describes and evaluates an Organic Rankine Cycle (ORC) for waste heat recovery system both theoretically as well as experimentally. Based on the thermodynamic analysis of the exhaust gas temperature identified at different locations of the exhaust manifold of an engine, the double-pipe,...

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Published in:Energies (Basel) 2018-10, Vol.11 (10), p.2717
Main Authors: Ravi, Rajesh, Pachamuthu, Senthilkumar
Format: Article
Language:English
Subjects:
Boring tools
Brakes
Carbon dioxide
Compression
Compression ratio
Convection
Counterflow
Cylinders
Design
Diesel
Diesel engines
Diesel fuels
Energy
Engines
Exhaust emissions
Exhaust gases
exhaust steam
Fabrication
Fins
Flow rates
Fluid dynamics
Fluid flow
Fluids
Friction factor
Fuel injection
Gas temperature
Gases
heat exchanger
Heat exchangers
Heat recovery systems
Heat transfer
Heat transfer coefficients
Injection
Injectors
Inlet temperature
Literature reviews
Lubrication
Mass flow rate
Measuring instruments
Nozzles
Oxidation
Pipes
Pressure
protracted fin
R&D
Repair & maintenance
Research & development
Reynolds number
Smoke
Specific heat
Surface area
Symbols
Thermal conductivity
turbo-electric generator
Viscosity
waste heat recovery
Working fluids
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Pachamuthu, Senthilkumar
description This article describes and evaluates an Organic Rankine Cycle (ORC) for waste heat recovery system both theoretically as well as experimentally. Based on the thermodynamic analysis of the exhaust gas temperature identified at different locations of the exhaust manifold of an engine, the double-pipe, internally–externally protruded, finned counter flow heat exchanger was innovatively designed and installed in diesel engine for exhaust waste heat recovery (WHR). The tests were conducted to find the performance of heat recovery system by varying the fin geometries of the heat exchanger. The effect of heat exchanger on emission parameters is investigated and presented in this work. The experimental results demonstrated that the amount of heat transfer rate, the effectiveness of heat exchange rand the brake thermal efficiency improved with an increase in length and number of the fins. A significant reduction was observed in all major emissions after the implementation of catalytic-coated, protracted finned counter flow heat exchanger. It also demonstrated the possibility of electric power production using steam turbo-electric-generator setup driven by the recovered exhaust heat energy.
doi_str_mv 10.3390/en11102717
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Based on the thermodynamic analysis of the exhaust gas temperature identified at different locations of the exhaust manifold of an engine, the double-pipe, internally–externally protruded, finned counter flow heat exchanger was innovatively designed and installed in diesel engine for exhaust waste heat recovery (WHR). The tests were conducted to find the performance of heat recovery system by varying the fin geometries of the heat exchanger. The effect of heat exchanger on emission parameters is investigated and presented in this work. The experimental results demonstrated that the amount of heat transfer rate, the effectiveness of heat exchange rand the brake thermal efficiency improved with an increase in length and number of the fins. A significant reduction was observed in all major emissions after the implementation of catalytic-coated, protracted finned counter flow heat exchanger. It also demonstrated the possibility of electric power production using steam turbo-electric-generator setup driven by the recovered exhaust heat energy.</description><identifier>ISSN: 1996-1073</identifier><identifier>EISSN: 1996-1073</identifier><identifier>DOI: 10.3390/en11102717</identifier><language>eng</language><publisher>Basel: MDPI AG</publisher><subject>Boring tools ; Brakes ; Carbon dioxide ; Compression ; Compression ratio ; Convection ; Counterflow ; Cylinders ; Design ; Diesel ; Diesel engines ; Diesel fuels ; Energy ; Engines ; Exhaust emissions ; Exhaust gases ; exhaust steam ; Fabrication ; Fins ; Flow rates ; Fluid dynamics ; Fluid flow ; Fluids ; Friction factor ; Fuel injection ; Gas temperature ; Gases ; heat exchanger ; Heat exchangers ; Heat recovery systems ; Heat transfer ; Heat transfer coefficients ; Injection ; Injectors ; Inlet temperature ; Literature reviews ; Lubrication ; Mass flow rate ; Measuring instruments ; Nozzles ; Oxidation ; Pipes ; Pressure ; protracted fin ; R&amp;D ; Repair &amp; maintenance ; Research &amp; development ; Reynolds number ; Smoke ; Specific heat ; Surface area ; Symbols ; Thermal conductivity ; turbo-electric generator ; Viscosity ; waste heat recovery ; Working fluids</subject><ispartof>Energies (Basel), 2018-10, Vol.11 (10), p.2717</ispartof><rights>2018. 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identifier ISSN: 1996-1073
ispartof Energies (Basel), 2018-10, Vol.11 (10), p.2717
issn 1996-1073
1996-1073
language eng
recordid cdi_doaj_primary_oai_doaj_org_article_68699a806a154025918d21548d8cc430
source Publicly Available Content Database
subjects Boring tools
Brakes
Carbon dioxide
Compression
Compression ratio
Convection
Counterflow
Cylinders
Design
Diesel
Diesel engines
Diesel fuels
Energy
Engines
Exhaust emissions
Exhaust gases
exhaust steam
Fabrication
Fins
Flow rates
Fluid dynamics
Fluid flow
Fluids
Friction factor
Fuel injection
Gas temperature
Gases
heat exchanger
Heat exchangers
Heat recovery systems
Heat transfer
Heat transfer coefficients
Injection
Injectors
Inlet temperature
Literature reviews
Lubrication
Mass flow rate
Measuring instruments
Nozzles
Oxidation
Pipes
Pressure
protracted fin
R&D
Repair & maintenance
Research & development
Reynolds number
Smoke
Specific heat
Surface area
Symbols
Thermal conductivity
turbo-electric generator
Viscosity
waste heat recovery
Working fluids
title Design and Development of Innovative Protracted-Finned Counter Flow Heat Exchanger (PFCHE) for an Engine WHR and Its Impact on Exhaust Emissions
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