Zobrazeno 1 - 10
of 71
pro vyhledávání: '"ebrahim afshari"'
Publikováno v:
فصلنامه علوم و فناوری فضایی, Vol 15, Iss ویژه نامه انگلیسی, Pp 1-13 (2022)
In the present study, the effects of geometrical properties of gas flow channels on both current density and temperature distributions inside a polymer electrolyte membrane (PEM) fuel cell are investigated. The main purpose here is to clarify the eff
Externí odkaz:
https://doaj.org/article/ed1e6f65fe744d318d1045d3af0f2a00
Publikováno v:
Medicine in Novel Technology and Devices, Vol 15, Iss , Pp 100124- (2022)
Medical humidifier is one of the vital instruments for a respiratory patient in hospital, which is used to humidify the required oxygen for respiratory patients. The conventional type of humidifier, bubble humidifier, has some technical problems, inc
Externí odkaz:
https://doaj.org/article/2e00506eb1f34de8a253c97961c6a033
Parametric study of the influence of cooling channel dimensions on PEM fuel cell thermal performance
Publikováno v:
Hydrogen, Fuel Cell & Energy Storage, Vol 4, Iss 4, Pp 265-274 (2018)
In a polymer membrane fuel cell more than half of the chemical energy of hydrogen is converted to heat during generation of electricity. This causes an increase in the cell temperature. The Cooling field design has a significant role in cell cooling.
Externí odkaz:
https://doaj.org/article/68abcaeba86e47cc88f37631be7518a8
Autor:
Mohammad Yaghoub Abdollahzadeh Jamalabadi, Milad Ghasemi, Rezvan Alamian, Ebrahim Afshari, Somchai Wongwises, Mohammad Mehdi Rashidi, Mostafa Safdari Shadloo
Publikováno v:
Applied Sciences, Vol 9, Iss 17, p 3633 (2019)
The fuel cell is an electrochemical energy converter that directly converts the chemical energy of the fuel into electrical current and heat. The fuel cell has been able to identify itself as a source of clean energy over the past few decades. In ord
Externí odkaz:
https://doaj.org/article/9813b5f141484ed58b114d2e63361dde
Publikováno v:
Journal of Nanofluids. 11:563-571
A novel configuration for cooling system of a superheated sheet metal rolling is proposed. The system consists of a water pool containing nanoparticles lies under a variable velocity stretching sheet. The main goal of present work is to model the pro
Publikováno v:
International Journal of Hydrogen Energy. 47:26023-26037
Publikováno v:
International Journal of Hydrogen Energy. 46:24271-24285
This paper investigates the performance of a hydrogen refueling system that consists of a polymer electrolyte membrane electrolyzer integrated with photovoltaic arrays, and an electrochemical compressor to increase the hydrogen pressure. The energeti
Publikováno v:
International Journal of Hydrogen Energy. 46:11029-11040
To improve proton exchange membrane (PEM) electrolyzes’ performance the voltage loss through them should be avoided. In this work, it is intended to analyze losses including of diffusion loss, ohmic loss due to electrode, bipolar plate (BP), and me
Publikováno v:
International Journal of Hydrogen Energy. 45:34993-35005
Electrochemical hydrogen compression (EHC) is a promising alternative to conventional compressors for hydrogen storage at high pressure, because it has a simple structure, low cost of hydrogen delivery, and high efficiency. In this study, the perform