Zobrazeno 1 - 10
of 27
pro vyhledávání: '"Shafiq R Qureshi"'
Publikováno v:
PLoS ONE, Vol 8, Iss 12, p e81659 (2013)
In this paper, a one dimensional premixed laminar methane flame is subjected to acoustic oscillations and studied. The purpose of this analysis is to investigate the effects of acoustic perturbations on the reaction rates of different species, with a
Externí odkaz:
https://doaj.org/article/ecc9f050b58642c5908293536bb39bdc
Autor:
Muhammad Bilal, Qidan Zhu, Shafiq R. Qureshi, Ahsan Elahi, Muhammad Kashif Nadeem, Sartaj Khan
Publikováno v:
Actuators, Vol 13, Iss 6, p 208 (2024)
This paper presents a novel Continuous Variable Transmission (CVT) design. CVT is highly beneficial for actuators with rotary output as it can improve the energy efficiency of the actuators by providing an optimum transmission ratio. This property of
Externí odkaz:
https://doaj.org/article/c7b15801efcd4d50bb6b469a4b675161
Autor:
Hafiz Muhammad Waqas, Dongyan Shi, Lili Tong, Muhammad Imran, Sohaib Z. Khan, Waqas Ahmed, Shafiq R. Qureshi
Publikováno v:
Applied Sciences, Vol 11, Iss 1, p 214 (2020)
Fiber-reinforced polymer (FRP) composite bridges are usually constructed for rapid installation. The durability of the bridge is increased by stiffness, strength to weight ratio, and corrosion resistance. The main factors on which the design of the c
Externí odkaz:
https://doaj.org/article/c208fd1114c247cf9b186f630c18ce28
Publikováno v:
International Journal of Hydrogen Energy. 46:7546-7557
Closed Brayton cycle (CBC) having single-shaft, centrifugal type compressor is considered as an efficient energy-conversion option associated for gas-cooled reactor (GCR) heat source. In terrestrial power plants and space power systems noble gases ar
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::409144668e79a2c0a8f50c68118ec6fc
https://doi.org/10.1016/j.ijhydene.2020.11.255
https://doi.org/10.1016/j.ijhydene.2020.11.255
Publikováno v:
International Journal of Hydrogen Energy. 45:10119-10129
Helium is one of the best coolants in closed Brayton cycle power plants as it has superior transport properties; however, the main shortcoming is its compression, which is very difficult to achieve. It leads to a higher number of compressor stages, m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::42a87022f5ba8deb10857ef0e4e509a6
https://doi.org/10.1016/j.ijhydene.2020.01.220
https://doi.org/10.1016/j.ijhydene.2020.01.220
Publikováno v:
Polish Maritime Research, Vol 26, Iss 2, Pp 6-14 (2019)
In the paper, a back swept impeller of centrifugal compressor is experimentally studied and numerically validated and modified to increase its pressure ratio and improve efficiency, as well as to analyse the effect of splitter blade location between
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e18351d7fd4cd14b0ff0f9b926fa78d2
https://doi.org/10.2478/pomr-2019-0020
https://doi.org/10.2478/pomr-2019-0020
Publikováno v:
Journal of Mechanical Science and Technology. 32:4983-4991
Surface enhancement in heat exchangers has been actively researched, but enhancements have been mainly on the tube side, involving optimization of the geometry. The effect of surface enhancement has been studied in great detail experimentally, but nu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e88fa5917ab441ab268b021708a23c0b
https://doi.org/10.1007/s12206-018-0946-6
https://doi.org/10.1007/s12206-018-0946-6
Publikováno v:
Mechanics. 24:456-461
Prognostics based on machine condition monitoring data are one of the key elements of modern maintenance philosophies. Machinery health prognosis follows a sequential methodology inclusive of various processes ranging from data acquisition till remai
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aa75b287eb25fded9f239e9cadfbc8c5
https://doi.org/10.5755/j01.mech.4.24.20740
https://doi.org/10.5755/j01.mech.4.24.20740
Publikováno v:
Iranian Journal of Science and Technology, Transactions of Mechanical Engineering. 43:477-486
This paper deals with the heat transfer enhancement due to groove formation in a metallic tube. A detailed computational fluid dynamics (CFD) analysis was performed on helical groove tubes with three geometries (obtained from a published article) to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::80100833d9895820b04102a7089c4e91
https://doi.org/10.1007/s40997-018-0218-1
https://doi.org/10.1007/s40997-018-0218-1
Publikováno v:
Thermal Science, Vol 22, Iss 2, Pp 931-941 (2018)
The performance of zero ozone depletion potential refrigerants is investigated when retrofitted in R22 based air conditioning system. The options evaluated are R407C, R417A, R422D, R427A, and R438A. In order to arrive at most suitable alternative(s)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::21cd6a9de9e233a41ecd4cdd52ef0a33
https://doi.org/10.2298/tsci160811315s
https://doi.org/10.2298/tsci160811315s