Zobrazeno 1 - 10
of 6 643
pro vyhledávání: '"pressure ratio"'
Publikováno v:
Aircraft Engineering and Aerospace Technology, 2024, Vol. 96, Issue 7, pp. 932-944.
Externí odkaz:
http://www.emeraldinsight.com/doi/10.1108/AEAT-02-2024-0046
Publikováno v:
气体物理, Vol 9, Iss 5, Pp 54-64 (2024)
The investigation was conducted to investigate the flow characteristics on the dual throat thrust vectoring nozzle. Based on a simplified aircraft afterbody model, the numerical calculation and the wind tunnel test were carried out to study the effec
Externí odkaz:
https://doaj.org/article/800bef5068804a86ac304430faab98c9
Autor:
Kang Li, Chunyu Li, Jian Cao, Ni Liu, Hua Zhang, Binlin Dou, Ran Tu, Qize He, Lin Su, Xuejin Zhou
Publikováno v:
Case Studies in Thermal Engineering, Vol 64, Iss , Pp 105485- (2024)
This study investigates the impact of vapor injection parameters and positions on the performance of a low-pressure ratio scroll compressor in electric vehicle thermal management systems under extremely low temperatures. The research combines experim
Externí odkaz:
https://doaj.org/article/f1b92d1849f042408c397fab495f02a3
Autor:
Xiaohui Wang, Yang Bian, Rongju Zhang, Haojing Zhu, Junjie Yang, Ruiling Wang, Xinfeng Liu, Bin Lv, Xiangyu Cao, Wei Dai, Zhibin Sun, Jing Jing, Zhihua Du, Shengyuan Yu, Jun Wang
Publikováno v:
Frontiers in Neurology, Vol 15 (2024)
ObjectivesTo evaluate the diagnostic accuracy of the quantitative flow ratio (QFR) for hemodynamic exploration of intracranial atherosclerotic stenosis, using the invasive cerebrovascular pressure ratio (CVPR) and resting full-cycle ratio (RFR) as re
Externí odkaz:
https://doaj.org/article/2cd3c302bebd468aa2f024838195ed75
Publikováno v:
Journal of Applied Fluid Mechanics, Vol 17, Iss 6, Pp 1143-1157 (2024)
Radial pre-swirl systems are widely applied in the aviation industry to supply cooling air to high-pressure turbine blades in aircraft engines. The efficiency of the film cooling can significantly decline when the air pressure is insufficient. This s
Externí odkaz:
https://doaj.org/article/0f10cc84cf3e4285aa88e0f4bd1f76b8
Publikováno v:
Heliyon, Vol 10, Iss 9, Pp e30313- (2024)
This study aims to assess the influence of a rib on the base pressure and the flow development in an abruptly expanded duct at sonic Mach number. Initially, the simulations were done to validate the experimental results, keeping all the parameters th
Externí odkaz:
https://doaj.org/article/c76711649e774bfe933451f02e216651
Publikováno v:
Zhongguo cuzhong zazhi, Vol 18, Iss 12, Pp 1405-1412 (2023)
目的 研究肥胖与症状性颅内动脉粥样硬化狭窄（symptomatic intracranial atherosclerosis stenosis，sICAS）患者跨病变压力比（pressure ratio，PR）减低的关系。 方法 本研究数据来源于中国国家卒中登记
Externí odkaz:
https://doaj.org/article/1edb05c5b5b242148a37350305d5ea40
Autor:
Khan, Ambareen a, Khan, Sher Afghan b, Raja, Vijayanandh c, d, Aabid, Abdul e, ⁎, Baig, Muneer e
Publikováno v:
In Heliyon 15 May 2024 10(9)
Publikováno v:
Xi'an Gongcheng Daxue xuebao, Vol 37, Iss 5, Pp 32-38 (2023)
The booster-driven hybrid cooling unit using ambient energy for free cooling can work for a whole year as one unit and reduce the annual cooling energy consumption effectively in data centers. Two different type booster and its hybrid cooling units w
Externí odkaz:
https://doaj.org/article/a351fc206a3844d1afbdec83f16dcdb6
Publikováno v:
Case Studies in Thermal Engineering, Vol 56, Iss , Pp 104242- (2024)
This study introduces a novel wrap-around cooled diaphragm compressor, designed for employment in hydrogen refilling station. The performance of this innovative compressor is evaluated using a specially developed experimental platform. The analysis f
Externí odkaz:
https://doaj.org/article/2b56e13c7bee4796a65f237a4a1b6998