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Journal Articles

Maximization of the Heat Transfer Irreversibility

Ahmad Fakheri
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research-Article
J. Heat Mass Transfer. February 2024, 146(2): 021001.
Paper No: HT-22-1651
https://doi.org/10.1115/1.4063990
Published Online: November 21, 2023
View Article titled, Maximization of the Heat Transfer Irreversibility
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Topics: Entropy, Fluids, Heat exchangers, Heat transfer, Temperature, Heat
Proceedings Papers

Forced Convective Heat Transfer From Helicoidal Pipes

Ahmad Fakheri, Abdelrahman H. A. Alnaeim
Proc. ASME. IMECE2001, Process Industries, 95-101, November 11–16, 2001
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2001/PID-25610
https://doi.org/10.1115/IMECE2001/PID-25610
View Paper titled, Forced Convective Heat Transfer From Helicoidal Pipes
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Topics: Convection, Pipes, Reynolds number, Heat transfer coefficients, Cylinders, Forced convection, Heat transfer
Proceedings Papers

Experimental Measurement of the Natural Convection Heat Transfer for Horizontal Helicoidal Pipes

Getnet S. Kidane, Ahmad Fakheri
Proc. ASME. IMECE2001, Process Industries, 87-93, November 11–16, 2001
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2001/PID-25609
https://doi.org/10.1115/IMECE2001/PID-25609
View Paper titled, Experimental Measurement of the Natural Convection Heat Transfer for Horizontal Helicoidal Pipes
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Topics: Heat transfer, Natural convection, Pipes, Cylinders, Heat transfer coefficients, Rayleigh number
Proceedings Papers

Natural Convection From Horizontal Helicoidal Pipes

Hamed Al-Ahmadi, Ahmad Fakheri
Proc. ASME. IMECE2000, Advances in Enhanced Heat Transfer, 147-152, November 5–10, 2000
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2000-1289
https://doi.org/10.1115/IMECE2000-1289
View Paper titled, Natural Convection From Horizontal Helicoidal Pipes
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Topics: Natural convection, Pipes, Rayleigh number, Cylinders, Heat transfer
Proceedings Papers

Optimization of Heat Exchanger Networks

Ahmad Fakheri, Alex Leanos
Proc. ASME. IMECE2011, Volume 6: Fluids and Thermal Systems; Advances for Process Industries, Parts A and B, 1439-1446, November 11–17, 2011
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2011-65322
https://doi.org/10.1115/IMECE2011-65322
View Paper titled, Optimization of Heat Exchanger Networks
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Topics: Heat exchangers, Optimization, Entropy, Heat transfer, Iterative methods
Proceedings Papers

Flow Characteristics in Helical Pipes of Various Coil Geometries With Rectangular Cross Section

Christopher Katinas, Ahmad Fakheri
Proc. ASME. IMECE2010, Volume 7: Fluid Flow, Heat Transfer and Thermal Systems, Parts A and B, 191-199, November 12–18, 2010
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2010-39260
https://doi.org/10.1115/IMECE2010-39260
View Paper titled, Flow Characteristics in Helical Pipes of Various Coil Geometries With Rectangular Cross Section
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Topics: Flow (Dynamics), Pipes, Friction, Ducts, Heat exchangers, Heat transfer, Laminar flow
Proceedings Papers

Analytical and Experimental Investigations of High Porosity Metallic Foams

Venkateswara Raju Mudunuri, Goutham Sudhini, Ahmad Fakheri
Proc. ASME. IMECE2010, Volume 7: Fluid Flow, Heat Transfer and Thermal Systems, Parts A and B, 229-236, November 12–18, 2010
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2010-39749
https://doi.org/10.1115/IMECE2010-39749
View Paper titled, Analytical and Experimental Investigations of High Porosity Metallic Foams
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Topics: Metal foams, Porosity, Density, Struts (Engineering), Temperature distribution, Alloys, Aluminum, Fins, Fluids, Temperature
Journal Articles

Second Law Analysis of Heat Exchangers

Ahmad Fakheri
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. November 2010, 132(11): 111802.
https://doi.org/10.1115/1.4002097
Published Online: August 13, 2010
View Article titled, Second Law Analysis of Heat Exchangers
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Topics: Entropy, Heat exchangers, Flow (Dynamics), Temperature, Fluids
Proceedings Papers

Heat Transfer and Pressure Drop Correlation for Helicoidal Pipes of Rectangular Cross Section

Christopher Katinas, Ahmad Fakheri
Proc. ASME. IMECE2009, Volume 9: Heat Transfer, Fluid Flows, and Thermal Systems, Parts A, B and C, 1255-1262, November 13–19, 2009
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2009-12677
https://doi.org/10.1115/IMECE2009-12677
View Paper titled, Heat Transfer and Pressure Drop Correlation for Helicoidal Pipes of Rectangular Cross Section
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Topics: Heat transfer, Pipes, Pressure drop, Friction, Flow (Dynamics), Cross section (Physics), Laminar flow
Proceedings Papers

Flow Separation

Ahmad Fakheri
Proc. ASME. IMECE2009, Volume 7: Engineering Education and Professional Development, 161-167, November 13–19, 2009
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2009-12409
https://doi.org/10.1115/IMECE2009-12409
View Paper titled, Flow Separation
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Topics: Flow separation, Flow (Dynamics), Boundary layers, Cylinders, Drag (Fluid dynamics)
Proceedings Papers

Heat Transfer in Pipe Flow

Ahmad Fakheri
Proc. ASME. IMECE2008, Volume 9: Engineering Education and Professional Development, 299-306, October 31–November 6, 2008
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2008-69042
https://doi.org/10.1115/IMECE2008-69042
View Paper titled, Heat Transfer in Pipe Flow
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Topics: Boundary-value problems, Heat flux, Heat transfer, Internal flow, Laminar flow, Pipe flow, Pipes, Temperature distribution
Proceedings Papers

On Application of the Second Law to Heat Exchangers

Ahmad Fakheri
Proc. ASME. IMECE2008, Volume 8: Energy Systems: Analysis, Thermodynamics and Sustainability; Sustainable Products and Processes, 501-506, October 31–November 6, 2008
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2008-69056
https://doi.org/10.1115/IMECE2008-69056
View Paper titled, On Application of the Second Law to Heat Exchangers
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Topics: Heat exchangers, Entropy, Design
Proceedings Papers

Urea Mixing in Selective Catalytic Reduction Systems

Fawaz Fadul, Amarnath Nelli, Ahmad Fakheri
Proc. ASME. IMECE2007, Volume 15: Sustainable Products and Processes, 111-116, November 11–15, 2007
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2007-43393
https://doi.org/10.1115/IMECE2007-43393
View Paper titled, Urea Mixing in Selective Catalytic Reduction Systems
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Topics: Catalysts, Emissions, Exhaust systems, Gas flow, Nitrogen oxides, Particulate matter, Plasma spraying, Pressure drop, Selective catalytic reduction, Spraying (Coating processes)
Proceedings Papers

An Alternative Approach for Teaching Turbulent Flow

Ahmad Fakheri
Proc. ASME. IMECE2007, Volume 7: Engineering Education and Professional Development, 349-354, November 11–15, 2007
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2007-43293
https://doi.org/10.1115/IMECE2007-43293
View Paper titled, An Alternative Approach for Teaching Turbulent Flow
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Topics: Teaching, Turbulence, Pipe flow, Students, Fluid mechanics, Friction, Heat transfer, Undergraduate students
Proceedings Papers

A Hybrid Approach for Full Numerical Simulation of Heat Exchangers

Hussien Al-Bakhit, Ahmad Fakheri
Proc. ASME. HT2005, Heat Transfer: Volume 2, 839-846, July 17–22, 2005
Publisher: American Society of Mechanical Engineers
Paper No: HT2005-72745
https://doi.org/10.1115/HT2005-72745
View Paper titled, A Hybrid Approach for Full Numerical Simulation of Heat Exchangers
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Topics: Computer simulation, Heat exchangers, Flow (Dynamics), Fluids, Temperature, Computational fluid dynamics, Momentum, Simulation
Proceedings Papers

Numerical Simulation of Heat Transfer in Simultaneously Developing Flows in Parallel Rectangular Ducts

Hussien Al-Bakhit, Ahmad Fakheri
Proc. ASME. HT-FED2004, Volume 3, 229-234, July 11–15, 2004
Publisher: American Society of Mechanical Engineers
Paper No: HT-FED2004-56586
https://doi.org/10.1115/HT-FED2004-56586
View Paper titled, Numerical Simulation of Heat Transfer in Simultaneously Developing Flows in Parallel Rectangular Ducts
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Topics: Computer simulation, Ducts, Flow (Dynamics), Heat transfer, Heat exchangers, Heat transfer coefficients, Heat, Microchannels
Proceedings Papers

Existence of an Optimum Spacing Between Horizontal Cylinders in a Horizontal Row Cooled by Natural Convection

Ahmad Fakheri, Sahota S. Gaganjit
Proc. ASME. HT2003, Heat Transfer: Volume 3, 857-864, July 21–23, 2003
Publisher: American Society of Mechanical Engineers
Paper No: HT2003-47377
https://doi.org/10.1115/HT2003-47377
View Paper titled, Existence of an Optimum Spacing Between Horizontal Cylinders in a Horizontal Row Cooled by Natural Convection
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Topics: Cylinders, Natural convection, Heat transfer, Heat transfer coefficients, Cooling, Electronic components, Heat exchangers
Proceedings Papers

Arithmetic Mean Temperature Difference and the Concept of Heat Exchanger Efficiency

Ahmad Fakheri
Proc. ASME. HT2003, Heat Transfer: Volume 1, 711-716, July 21–23, 2003
Publisher: American Society of Mechanical Engineers
Paper No: HT2003-47360
https://doi.org/10.1115/HT2003-47360
View Paper titled, Arithmetic Mean Temperature Difference and the Concept of Heat Exchanger Efficiency
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Topics: Heat exchangers, Temperature, Heat transfer, Flow (Dynamics), Shells, Algebra, Fluids
Proceedings Papers

Log Mean Temperature Correction Factor: An Alternative Representation

Ahmad Fakheri
Proc. ASME. IMECE2002, Process Industries, 111-115, November 17–22, 2002
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2002-39595
https://doi.org/10.1115/IMECE2002-39595
View Paper titled, Log Mean Temperature Correction Factor: An Alternative Representation
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Topics: Temperature, Cross-flow, Heat exchangers, Shells
Journal Articles

Efficiency and Effectiveness of Heat Exchanger Series

Ahmad Fakheri
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Technical Briefs
J. Heat Mass Transfer. August 2008, 130(8): 084502.
https://doi.org/10.1115/1.2927404
Published Online: May 29, 2008
View Article titled, Efficiency and Effectiveness of Heat Exchanger Series
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Topics: Heat exchangers