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Journal Articles

Time-Critical Unified Rendezvous Guidance for an Unmanned Autonomous Vehicle

Abhinav Sinha, Shashi Ranjan Kumar
Journal: Journal of Autonomous Vehicles and Systems
Publisher: ASME
Article Type: Research Papers
J. Auton. Veh. Sys. July 2024, 4(3): 031001.
Paper No: JAVS-23-1043
https://doi.org/10.1115/1.4066259
Published Online: September 11, 2024
View Article titled, Time-Critical Unified Rendezvous Guidance for an Unmanned Autonomous Vehicle
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Topics: Autonomous vehicles, Errors, Navigation, Vehicles, Design, Unmanned aerial vehicles, Flight
Journal Articles

Stacking Ensemble Method to Predict the Pool Boiling Heat Transfer of Nanomaterial-Coated Surface

Ranjan Kumar, Nagendra Singh Ranawat, S. K. Mandal
Journal: Journal of Thermal Science and Engineering Applications
Publisher: ASME
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. November 2024, 16(11): 111001.
Paper No: TSEA-24-1253
https://doi.org/10.1115/1.4066264
Published Online: September 10, 2024
View Article titled, Stacking Ensemble Method to Predict the Pool Boiling Heat Transfer of Nanomaterial-Coated Surface
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Topics: Algorithms, Boiling, Heat transfer, Heat transfer coefficients, Pool boiling, Surface roughness, Critical heat flux, Temperature, Machine learning, Nanomaterials
Journal Articles

Pool Boiling of CNT + GO Nanomaterial–Coated Copper Substrate: An Experimental Study

Ranjan Kumar, Dipak Sen, S. K. Mandal
Journal: Journal of Thermal Science and Engineering Applications
Publisher: ASME
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. February 2024, 16(2): 021011.
Paper No: TSEA-23-1357
https://doi.org/10.1115/1.4064134
Published Online: December 18, 2023
View Article titled, Pool Boiling of CNT + GO Nanomaterial–Coated Copper Substrate: An Experimental Study
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Topics: Boiling, Bubbles, Carbon nanotubes, Coating processes, Coatings, Copper, Heat transfer, Pool boiling, Critical heat flux, Surface roughness
Journal Articles

Microstructural and Mechanical Characterization of 1.6-mm-Thick Nimonic-75 Superalloy Welds

R. K. Gupta, V. Anil Kumar, Ravi Ranjan Kumar, R. Vivek, P. V. Venkitakrishnan
Journal: Materials Performance and Characterization
Publisher: ASTM International
Article Type: Technical Papers
Matls. Perf. Charact.. January 2022, 11(2): 200–209.
Paper No: MPC20200155
https://doi.org/10.1520/MPC20200155
Published Online: January 27, 2022
View Article titled, Microstructural and Mechanical Characterization of 1.6-mm-Thick Nimonic-75 Superalloy Welds
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Journal Articles

Development of C/SiC Fasteners for High-Temperature Applications

Shobhit Kumar, Anil Painuly, Anurag Kamal, Sajimon Kuttappan, Ravi Ranjan Kumar, Shyin Palani Prabhakaran, Renjith Devasia
Journal: Materials Performance and Characterization
Publisher: ASTM International
Article Type: Technical Papers
Matls. Perf. Charact.. June 2021, 10(2): 253–267.
Paper No: MPC20200161
https://doi.org/10.1520/MPC20200161
Published Online: June 24, 2021
View Article titled, Development of C/SiC Fasteners for High-Temperature Applications
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Journal Articles

A Review on Steels for Cryogenic Applications

C. R. Anoop, R. K. Singh, Ravi Ranjan Kumar, M. Jayalakshmi, T. Antony Prabhu, K. Thomas Tharian, S. V. S. Narayana Murty
Journal: Materials Performance and Characterization
Publisher: ASTM International
Article Type: Technical Papers
Matls. Perf. Charact.. June 2021, 10(2): 16–88.
Paper No: MPC20200193
https://doi.org/10.1520/MPC20200193
Published Online: June 24, 2021
View Article titled, A Review on Steels for Cryogenic Applications
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Journal Articles

Development and Validation of Processing Maps for Hot Deformation of Modified AISI 321 Austenitic Stainless Steel

C. R. Anoop, R. K. Singh, Ravi Ranjan Kumar, Jayalakshmi Miyala, S. V. S. Narayana Murty, K. Thomas Tharian
Journal: Materials Performance and Characterization
Publisher: ASTM International
Article Type: Technical Papers
Matls. Perf. Charact.. July 2020, 9(2): 150–169.
Paper No: MPC20190081
https://doi.org/10.1520/MPC20190081
Published Online: July 27, 2020
View Article titled, Development and Validation of Processing Maps for Hot Deformation of Modified AISI 321 Austenitic Stainless Steel
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Journal Articles

Hot Deformation Studies and Optimization of Hot Working Parameters in Custom 465® Martensitic Precipitation Hardenable Stainless Steel

C. R. Anoop, R. K. Singh, Ravi Ranjan Kumar, M. Jayalakshmi, S. V. S. Narayana Murty, K. Thomas Tharian
Journal: Materials Performance and Characterization
Publisher: ASTM International
Article Type: Technical Papers
Matls. Perf. Charact.. July 2020, 9(2): 170–187.
Paper No: MPC20190087
https://doi.org/10.1520/MPC20190087
Published Online: July 27, 2020
View Article titled, Hot Deformation Studies and Optimization of Hot Working Parameters in Custom 465® Martensitic Precipitation Hardenable Stainless Steel
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Proceedings Papers

An Efficient Numerical Procedure for Solving Microscale Heat Transport Equation During Femtosecond Laser Heating of Nanoscale Metal Films

Illayathambi Kunadian, J. M. McDonough, Ravi Ranjan Kumar
Proc. ASME. InterPACK2005, Advances in Electronic Packaging, Parts A, B, and C, 773-781, July 17–22, 2005
Publisher: American Society of Mechanical Engineers
Paper No: IPACK2005-73376
https://doi.org/10.1115/IPACK2005-73376
View Paper titled, An Efficient Numerical Procedure for Solving Microscale Heat Transport Equation During Femtosecond Laser Heating of Nanoscale Metal Films
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Topics: Heat, Heating, Lasers, Metals, Microscale devices, Nanoscale phenomena, Stability, Dimensions, Numerical analysis, Partial differential equations
Proceedings Papers

Performance Comparison of Numerical Procedures for Efficiently Solving a Microscale Heat Transport Equation During Femtosecond Laser Heating of Nanoscale Metal Films

Ravi Ranjan Kumar, J. M. McDonough, M. P. Mengu¨c¸, Illayathambi Kunadian
Proc. ASME. IMECE2005, Heat Transfer, Part B, 863-868, November 5–11, 2005
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2005-79542
https://doi.org/10.1115/IMECE2005-79542
View Paper titled, Performance Comparison of Numerical Procedures for Efficiently Solving a Microscale Heat Transport Equation During Femtosecond Laser Heating of Nanoscale Metal Films
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Topics: Heat, Heating, Lasers, Metals, Microscale devices, Nanoscale phenomena, Partial differential equations, Simulation