Isotherm, Inc.

Research Papers (Publications)

Title: Shell side direct expansion evaporation of ammonia on a 3-D structured surface tube bundle with exit superheat effect

Wasim Shah, Ahmad Abbas, Zahid H. Ayub, Adnan H. Ayub, Tiago Augusto Moreira, Gherhardt Ribatski and Wei Li, “Shell side direct expansion evaporation of ammonia on a 3-D structured surface tube bundle with exit superheat effect”, International Journal of Refrigeration, 147, pp. 1-9, (2023).


Title: Evaporation flow patterns and heat transfer in copper and stainless steel three-dimensional dimpled tubes

Wei Li, Yu Gao, Jiacheng Wang, Zhichuan Sun, Xiang Ma, Weiyu Tang, Zahid Ayub, Yan He, Yanlong Cao, “Evaporation flow patterns and heat transfer in copper and stainless steel three-dimensional dimpled tubes”, International Journal of Heat and Mass Transfer, Vol. 193, 122954, (2022).


Title: R410A flow boiling coefficient in horizontal annular channels of enhanced tubes, Part II: Heat transfer

Jianghui Zhang, Jiacheng Wang, Yan He, Li Liu, Wei Li, Weiyu Tang, Ahmad Abbas, Zahid Ayub, “R410A flow boiling coefficient in horizontal annular channels of enhanced tubes, Part II: Heat transfer”, International Journal of Refrigeration, 137, pp. 43-50, (2022).

 

Title: Convective condensation of R600a, R290, R1270 and their zeotropic binary mixtures in horizontal tubes

Tiago Augusto Moreira, Zahid H. Ayub, Gherhardt Ribatski, “Convective condensation of R600a, R290, R1270 and their zeotropic binary mixtures in horizontal tubes”, International Journal of Refrigeration, 130, pp. 27-43, (2021).


Title: Comparing Single-Phase Thermal Hydraulic Performance of a Right and Left Turn Twisted Tape Insert in a Tube

Ahmad Abbas, Zahid Ayub, Adnan Ayub, Wei Li and Shehryar Khan, “Comparing Single-Phase Thermal Hydraulic Performance of a Right and Left Turn Twisted Tape Insert in a Tube”, Journal of the Brazilian Society of Mechanical Sciences and Engineering, Vol. 43, 123 (2021).


Title: Experimental study of ammonia flow boiling in a vertical tube bundle: Part 4 – Comparative analysis

Ahmad Abbas, Zahid H. Ayub, Tauseef Ismail, Adnan H. Ayub, Tariq S. Khan, Wei Li, and Gherhardt Ribatski, “Experimental study of ammonia flow boiling in a vertical tube bundle: Part 4 – Comparative analysis”, International Journal of Refrigeration 137, pp. 141-152, (2022).


Title: Experimental study of ammonia flow boiling in a vertical tube bundle: Part 3 – Enhanced dimple tube with 2/3rd height solid round PVC nonconductive rod

Zahid H. Ayub, Ahmad Abbas, Tauseef Ismail, Adnan H. Ayub, Wei Li, Tariq S. Khan and Gherhardt Ribatski, “Experimental study of ammonia flow boiling in a vertical tube bundle: Part 3 – Enhanced dimple tube with 2/3rd height solid round PVC nonconductive rod”, International Journal of Refrigeration 134, pp. 64-73, (2022).


Title: Experimental study of ammonia flow boiling in a vertical tube bundle: Part 2 – Enhanced dimple tube with full length solid round PVC nonconductive rod

Zahid H. Ayub, Ahmad Abbas, Tauseef Ismail, Adnan H. Ayub, Wei Li, Tariq S. Khan and Gherhardt Ribatski, “Experimental study of ammonia flow boiling in a vertical tube bundle: Part 2 – Enhanced dimple tube with full length solid round PVC nonconductive rod”, International Journal of Refrigeration 131, pp. 368-380, (2021).


Title: Experimental study of ammonia flow boiling in a vertical tube bundle: Part 1 – Enhanced dimple tube

Ahmad Abbas, Zahid H. Ayub, Tauseef Ismail, Adnan H. Ayub, Wei Li, Tariq S. Khan and Gherhardt Ribatski, “Experimental study of ammonia flow boiling in a vertical tube bundle: Part 1 – Enhanced dimple tube”, International Journal of Refrigeration 131, pp. 286-299, (2021).


Title: Analysis of flow boiling frictional pressure drop in plate heat exchangers

Weiyu Tang, Tong Lv, Wei Li, S.A. Sherif, Zahid Ayub and Shi-Chune Yao, “Analysis of flow boiling frictional pressure drop in plate heat exchangers”, ASME Thermal Sciences and Engineering Applications, Vol. 13, pp 31018-1 – 31018-10, 2021.

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