Zobrazeno 1 - 10
of 69
pro vyhledávání: '"Jianfei WEI"'
Publikováno v:
Case Studies in Thermal Engineering, Vol 59, Iss , Pp 104490- (2024)
Hydrogen fueled parallel wall-jet combustion is considered to be one of the most promising drag reduction technologies in supersonic combustors, researchers mainly focus on its drag reduction mechanism, while balancing its combustion efficiency and d
Externí odkaz:
https://doaj.org/article/e4e74b589a1a4553838244890e452eef
Publikováno v:
AIP Advances, Vol 14, Iss 3, Pp 035330-035330-11 (2024)
The investigation of film cooling in CH4/O2 rocket engines holds paramount importance in the advancement of rocket propulsion. However, the wall heat flux is always overestimated in numerical simulation processes. Hence, this article proposes a numer
Externí odkaz:
https://doaj.org/article/93165388de714ff485e1feb6f60a53a1
Publikováno v:
Case Studies in Thermal Engineering, Vol 44, Iss , Pp 102872- (2023)
One of the effective methods to simultaneously achieve the thermal protection and friction reduction requirement of a scramjet engine is the usage of fuel film cooling. As the combustion process inside the combustor proceeds, the oxygen concentration
Externí odkaz:
https://doaj.org/article/7702a696568a442dbf2223c6ea5178df
Publikováno v:
Case Studies in Thermal Engineering, Vol 43, Iss , Pp 102822- (2023)
Hydrocarbon fueled supersonic film is considered to be one of the most effective methods for achieving thermal protection and drag reduction meanwhile in scramjet combustors. In this paper, the effects of film and mainstream inflow parameters on ther
Externí odkaz:
https://doaj.org/article/7f7f3daa6ceb42b0938f402076a92f41
Publikováno v:
ACS Omega, Vol 6, Iss 48, Pp 32888-32895 (2021)
Externí odkaz:
https://doaj.org/article/d6154fcd03074e7e9bde8ab0e6706ed6
Publikováno v:
Geofluids, Vol 2023 (2023)
Formation pressure gradually decreases with fracturing fluid flowback and gas production. Due to the stress sensitivity of the fractures, the permeability of the artificial fractures after fracturing becomes lower, which significantly affects gas wel
Externí odkaz:
https://doaj.org/article/38cfee4ad9bd4cecaf208186722edb99
Publikováno v:
Environmental Challenges, Vol 10, Iss , Pp 100681- (2023)
The spatio-temporal evolution and influencing mechanism of land ecological efficiency (abbrev. eco-efficiency) are key to achieving optimal land eco-efficiency and ensuring high-quality economic growth. Therefore, based on 287 cities at prefecture-le
Externí odkaz:
https://doaj.org/article/4d0bc9cea37440b0b0001873282fe8d1
Publikováno v:
Geofluids, Vol 2022 (2022)
Block Yingmai 7 is structurally located in the western segment of the southern margin of the Kuqa Depression in the Tarim Basin. In the foreland basin, huge continental Mesozoic and Cenozoic strata have been deposited. In recent years, the Paleogene
Externí odkaz:
https://doaj.org/article/e84641f885bf49b29291ca58c84cf86e
Autor:
Anying Zhang, Wenhui Wang, Zhenfeng Dong, Jianfei Wei, Lifei Wei, Weiwen Gu, Guo Zheng, Rui Wang
Publikováno v:
ACS Omega. 7:46277-46287
In this study, an antidroplet flame retardant system based on FRPET (phosphorus-containing copolyester) is constructed with DOPO-POSS (polyhedral oligomeric silsesquioxane containing DOPO) as an additive flame retardant. It is demonstrated that DOPO-
Publikováno v:
ACS Omega. 7:38037-38044
Environmentally friendly polyethylene terephthalate-based carbon dots (PET-CDs) with ultrahigh fluorescence quantum yield were prepared with waste PET textiles as raw materials. First, oligomers were prepared from the reaction of waste PET textile an