Zobrazeno 1 - 10
of 97
pro vyhledávání: '"Zahid H. Ayub"'
Publikováno v:
International Journal of Refrigeration. 35:1800
Publikováno v:
In International Journal of Refrigeration September 2012 35(6):1800-1800
Autor:
Wasim Shah, Ahmad Abbas, Zahid H. Ayub, Adnan H. Ayub, Tiago Augusto Moreira, Gherhardt Ribatski, Wei Li
Publikováno v:
International Journal of Refrigeration. 147:1-9
Autor:
Wei Li, Tariq S. Khan, Tauseef Ismail, Adnan H. Ayub, Gherhardt Ribatski, Zahid H. Ayub, Ahmad Abbas
Publikováno v:
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Universidade de São Paulo (USP)
instacron:USP
This paper presents the experimental results of saturated two-phase flow ammonia in a vertical shell and tube heat exchanger comprising of seven dimpled enhanced tubes. The tests were conducted for a wide range of parameters. The heat load was provid
Publikováno v:
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Universidade de São Paulo (USP)
instacron:USP
The present paper concerns an experimental investigation about the heat transfer coefficient during convective condensation of hydrocarbons and their zeotropic mixtures. Experiments were performed in a horizontal smooth channel, with internal diamete
Publikováno v:
Journal of Thermal Science and Engineering Applications. 14
An experimental investigation of shell-side flow condensation was performed on three-dimensional surface enhanced tubes, including a herringbone micro-fin tube and a newly developed 1-EHT tube. An equivalent plain tube was also tested for performance
Publikováno v:
Applied Thermal Engineering. 152:559-572
Steady state numerical simulations were carried out with twisted tapes on shell side of a shell and tube heat exchanger. Thermal hydraulic performance of a heat exchanger with various twisted tape widths and twist ratios was conducted. The effects of
Publikováno v:
International Journal of Refrigeration. 99:408-418
Plate heat exchangers are widely used in the industry. Being compact in nature, they are good candidates to be used as evaporators with reduced charge. A review of the existing evaporation heat transfer coefficient data for plate heat exchangers has
Autor:
Wei Chen, Yan He, Zhi-chuan Sun, Ruiheng Guo, Xiang Ma, David J. Kukulka, Zhi-chun Liu, Wei Li, Zahid H. Ayub
Publikováno v:
International Journal of Refrigeration. 98:1-14
Experimental investigations of flow condensation on the outside surface of one smooth tube and two enhanced surface tubes with the same outer diameter of 12.7 mm were conducted. The refrigerant flowed in an annular space between the test tube and the
Publikováno v:
Journal of the Brazilian Society of Mechanical Sciences and Engineering. 43
Single-phase heat transfer and pressure drop tests were conducted in a tube with two types of twisted tapes. Each tape had exactly similar physical parameters and were made of the same material except that each had an opposite twist that resulted in