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G. Venkatarathnam
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Journal Articles

Theoretical Analysis of Rankine Cycle Operating With Zeotropic Mixtures of Carbon Dioxide and Hydrocarbons

Vineed Narayanan, G. Venkatarathnam
Journal: Journal of Energy Resources Technology
Article Type: Research Papers
J. Energy Resour. Technol. June 2022, 144(6): 062103.
Paper No: JERT-21-1416
DOI: https://doi.org/10.1115/1.4051898
Published Online: August 11, 2021
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Topics: Carbon dioxide, Cycles, Fluids, Heat, Pressure, Rankine cycle, Temperature, Thermal efficiency, Heat exchangers, Optimization
Journal Articles

Occurrence of Dry-Out Phenomenon in an Auto Refrigerant Cascade Refrigerator Operating With Zeotropic Mixtures

H. Gurudath Nayak, G. Venkatarathnam
Journal: Journal of Thermal Science and Engineering Applications
Article Type: Research-Article
J. Thermal Sci. Eng. Appl. September 2017, 9(3): 031012.
Paper No: TSEA-16-1157
DOI: https://doi.org/10.1115/1.4035940
Published Online: April 11, 2017
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Topics: Cascades (Fluid dynamics), Heat, Heat exchangers, Refrigerants, Stress, Temperature, Compressors, Refrigeration, Low temperature, Pressure
Journal Articles

Comparison of the Straight Adiabatic Capillary Tube Expansion Devices Used in Refrigeration Systems Operating With Refrigerants R134a and R1234yf

S. S. Harish Kruthiventi, G. Venkatarathnam
Journal: Journal of Thermal Science and Engineering Applications
Article Type: Research-Article
J. Thermal Sci. Eng. Appl. June 2016, 8(2): 021015.
Paper No: TSEA-15-1178
DOI: https://doi.org/10.1115/1.4032366
Published Online: February 3, 2016
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Topics: Flow (Dynamics), Pressure, Refrigerants, Refrigeration, Speed of sound, Temperature, Vapors, Subcooling, Evaporation
Journal Articles

A Review of Refrigeration Methods in the Temperature Range 4–300 K

Vijayaraghavan S. Chakravarthy, Ramesh K. Shah, G. Venkatarathnam
Journal: Journal of Thermal Science and Engineering Applications
Article Type: Review Articles
J. Thermal Sci. Eng. Appl. June 2011, 3(2): 020801.
DOI: https://doi.org/10.1115/1.4003701
Published Online: July 13, 2011
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Topics: Compression, Cycles, Refrigerants, Refrigeration, Temperature, Vapors, Refrigeration cycles
Journal Articles

Erratum: “Experimental Studies on a Heat Pump Operating With R22, R407C and R407A: Comparison from an Exergy Point of View” [ASME J. Energy Res. Technol., 125 , No. 2, pp. 101–112]

B. Rakesh,, G. Venkatarathnam, and, S. Srinivasa Murthy
Journal: Journal of Energy Resources Technology
Article Type: Errata
J. Energy Resour. Technol. September 2003, 125(3): 249.
DOI: https://doi.org/10.1115/1.1610006
Published Online: August 29, 2003
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Topics: Exergy, Heat pumps, Condensation, Cooling, Performance evaluation, Refrigeration
Journal Articles

Experimental Studies on a Heat Pump Operating With R22, R407C and R407A: Comparison From an Exergy Point of View

B. Rakhesh, G. Venkatarathnam, S. Srinivasa Murthy
Journal: Journal of Energy Resources Technology
Article Type: Technical Papers
J. Energy Resour. Technol. June 2003, 125(2): 101–112.
DOI: https://doi.org/10.1115/1.1538631
Published Online: June 4, 2003
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Topics: Exergy, Heat pumps, Refrigerants, Temperature, Compressors, Cooling, Fluids, Evaporation
Journal Articles

Optimization of Matrix Heat Exchanger Geometry

K. Pavan Kumar, G. Venkatarathnam
Journal: Journal of Heat Transfer
Article Type: Technical Papers
J. Heat Transfer. August 2000, 122(3): 579–586.
DOI: https://doi.org/10.1115/1.1287588
Published Online: April 17, 2000
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Topics: Geometry, Heat exchangers, Optimization, Flow (Dynamics), Heat transfer
Journal Articles

Closure to “Discussion of ‘Analysis of Matrix Heat Exchanger Performance’” (1998, ASME J. Heat Transfer, 120, pp. 801–803)

G. Venkatarathnam, S. Sarangi
Journal: Journal of Heat Transfer
Article Type: Discussions
J. Heat Transfer. August 1998, 120(3): 803–806.
DOI: https://doi.org/10.1115/1.2824359
Published Online: August 1, 1998
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Topics: Heat exchangers, Heat transfer
Journal Articles

Analysis of Matrix Heat Exchanger Performance

G. Venkatarathnam, S. Sarangi
Journal: Journal of Heat Transfer
Article Type: Research Papers
J. Heat Transfer. November 1991, 113(4): 830–836.
DOI: https://doi.org/10.1115/1.2911210
Published Online: November 1, 1991
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Topics: Heat exchangers