Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Ahmad Najjaran"'
Publikováno v:
Energies, Vol 16, Iss 4, p 1954 (2023)
A pneumatic radial piston motor is studied in this paper in order to establish a dynamic modelling and simulation method. As a result of using geometric parameters, the piston cylinder volume change was calculated, and the heat transfer equation, the
Externí odkaz:
https://doaj.org/article/d878bc43075246388d2798b47ffd877d
Publikováno v:
Energies, Vol 16, Iss 1, p 489 (2023)
This study presents a detailed dynamic modelling and generic simulation method of an oscillating diaphragm compressor for chemisorption energy technology applications. The geometric models of the compressor were developed step by step, including the
Externí odkaz:
https://doaj.org/article/340f218ab5e04ae280de96b703dcbd41
Publikováno v:
Journal of Enhanced Heat Transfer. 28:39-53
Publikováno v:
Aerospace Science and Technology. 86:375-386
Two-stroke engines are one of the most commonly used engines for unmanned aerial vehicle (UAV) propulsion, which has benefits such as high power, low fuel consumption. Before, most of the two-stroke engines used in UAVs were the carburettor, but nowa
Publikováno v:
Volume 1: Aerospace Heat Transfer; Computational Heat Transfer; Education; Environmental Heat Transfer; Fire and Combustion Systems; Gas Turbine Heat Transfer; Heat Transfer in Electronic Equipment; Heat Transfer in Energy Systems.
Diffusion absorption refrigeration (DAR) cycles enable passive fully thermally-driven refrigeration for off-grid purposes. Typically, DAR units are designed for a given heat supply load and temperature, although real operation inevitably involves uns
Autor:
Alba Ramos, Robert Eaton Edwards, Richard Hall, Christos N. Markides, Michael Graham Reid, Ahmad Najjaran, James Freeman
Publikováno v:
Proceedings of SWC2017/SHC2017.
Autor:
Ahmad Najjaran Kheirabadi, Ali Fotoohabadi, Alireza Shiri Shorije, Abdolkarim Najjaran Kheirabadi
Publikováno v:
Frontiers in Heat and Mass Transfer. 4
In this paper, the aim is obtaining convection coefficient of human body. At first a 3D human body has been designed by unstructured grids. Feet and hands are stretched completely in considered sample. Two segments (standing and supine) are considere
Publikováno v:
Frontiers in Heat and Mass Transfer. 3
Publikováno v:
Volume 10: Heat and Mass Transport Processes, Parts A and B.
Radiation heat transfer coefficient of the human body is one of the most important factors in the field of human skin health. In this paper, the radiation coefficient of the body is calculated by considering external heat radiation of body with the i