Zobrazeno 1 - 10
of 3 709
pro vyhledávání: '"Back pressure"'
Publikováno v:
Cleaner Engineering and Technology, Vol 22, Iss , Pp 100791- (2024)
This paper presents a novel approach for upgrading utility systems by integrating absorption cooling systems using R-curve analysis. The key contributions include a comprehensive methodology for drawing the R-curve, determining priority paths, and op
Externí odkaz:
https://doaj.org/article/0d6342bed2bb46b3be504787fd6d0269
Autor:
Ali Basem, Mohammed A. Alghassab, Hasan A. Al-Asadi, Raymond Ghandour, Mohammad Sediq Safi, Shoira Bobonazarovna Formanova, Mohamad J. Alfaker, Merwa Alhadrawi, Saiful Islam
Publikováno v:
Results in Engineering, Vol 23, Iss , Pp 102403- (2024)
Grain refinement techniques are commonly used to produce enhanced materials with micro- and nanoscale grain sizes. This study investigates the severe plastic deformation of 2024 aluminum alloys reinforced with microparticles of alumina (Al2O3) using
Externí odkaz:
https://doaj.org/article/b6df5f967f8d4d18ad880b2338c3ec1d
Autor:
M. S. Ramezani, A. Komakpanah
Publikováno v:
مهندسی عمران شریف, Vol 39.2, Iss 4, Pp 19-29 (2024)
In some roadway projects, especially in a mountainous region, the mechanically stabilized earth walls must be constructed in front of stable features such as a rockface for a variety of reasons, including the construction of new roadways, widening of
Externí odkaz:
https://doaj.org/article/83e28af1a4534e9a87244d2a2c17033f
Publikováno v:
Polymers, Vol 16, Iss 19, p 2745 (2024)
Short-fiber reinforcement is a potent approach to improving the material properties of injection-molded parts. The main consideration in such reinforced materials is to preserve the fiber length, as this is the major influence on the properties of a
Externí odkaz:
https://doaj.org/article/29b29a7065f24dad855170aed68539f2
Publikováno v:
Applied Sciences, Vol 14, Iss 17, p 7904 (2024)
In air-cooled data centers, hot aisle containment is used to separate hot and cold air from mixing to improve cooling effectiveness. However, this creates a significant pressure imbalance between the cold and hot aisles, with the latter being high. T
Externí odkaz:
https://doaj.org/article/5b1b31afa04e4bfba4ea802b05e58576
Publikováno v:
南方能源建设, Vol 10, Iss 6, Pp 78-88 (2023)
[Introduction] In order to meet the needs of the rapid development of China's industry for high parameters and high-quality heat load, make full use of the advantages of the high efficiency of supercritical large-capacity units and the high thermal e
Externí odkaz:
https://doaj.org/article/bf970219fe7f43d8ac54613bca17c548
Publikováno v:
Journal of Marine Science and Engineering, Vol 12, Iss 6, p 938 (2024)
The exhaust back pressure of diesel engines is becoming increasingly higher nowadays. In order to keep discharging exhaust unhindered and operating smoothly under high exhaust back pressure, a large reduction in engine maximum brake output is often o
Externí odkaz:
https://doaj.org/article/25db29142f3a410592d7ebd0bc72e627
Autor:
ZHANG Jie, TANG Liting
Publikováno v:
Zhejiang dianli, Vol 42, Iss 7, Pp 117-124 (2023)
The application of the first converter controlled BEST （back pressure extraction steam turbine） in the ultra-supercritical secondary reheat unit is studied as the object. The control operation mode of the BEST is described， and the problems in
Externí odkaz:
https://doaj.org/article/9acf4ab2f7684f678e0bcba8c0b2ad8b
Autor:
Kwang-Hu Jung, Jung-Hyung Lee
Publikováno v:
Energies, Vol 17, Iss 7, p 1690 (2024)
In this study, the optimization of the operational parameters for a single proton exchange membrane fuel cell (PEMFC) was carried out using the Taguchi method and orthogonal array. The operating parameters were H2 stoichiometry, air stoichiometry, ce
Externí odkaz:
https://doaj.org/article/3b943a34068448bd8533f0e9cf17818d
Autor:
Can He, Qinglin Wen, Fandi Ning, Min Shen, Lei He, Yali Li, Bin Tian, Saifei Pan, Xiong Dan, Wei Li, Pengpeng Xu, Yiyang Liu, Zhi Chai, Yihuang Zhang, Wenming Liu, Xiaochun Zhou
Publikováno v:
Advanced Science, Vol 10, Iss 28, Pp n/a-n/a (2023)
Abstract Proton exchange membrane fuel cells (PEMFCs) have garnered significant attention due to their high efficiency and low emissions. However, PEMFC always suffers mass transfer and water management in performance improvement. Herein, an integrat
Externí odkaz:
https://doaj.org/article/ece06a87788049bba938797ba6994b21