Zobrazeno 1 - 10
of 61
pro vyhledávání: '"JIANLONG CHANG"'
Publikováno v:
Energy Reports, Vol 8, Iss , Pp 136-151 (2022)
In the current work, the film cooling efficiency of flat plate film cooling and transverse groove film cooling is compared, and the impacts of various factors on the efficiency of film cooling are explored. The influencing factors include blowing rat
Externí odkaz:
https://doaj.org/article/b3c2735d826f4b41b14a185f1302db95
Publikováno v:
AIP Advances, Vol 13, Iss 5, Pp 055117-055117-19 (2023)
Pulsed jet is an effective solution to improve fuel jet penetration depth and consequently increase the mixing efficiency of gas–liquid in conventional combustion chambers. This has the benefits of reducing pollutant emissions and diminishing the i
Externí odkaz:
https://doaj.org/article/afe393832add45c79718d948eff4e991
Publikováno v:
Energy Reports, Vol 8, Iss , Pp 1-15 (2022)
Studies of primary atomization of liquid transverse jets in subsonic crossflow consider surface waves as the main cause of jet fragmentation. The characteristics of surface waves during jet fragmentation have been initially analyzed, but there is a l
Externí odkaz:
https://doaj.org/article/6c0453592e214a19bd024a368c50b547
Publikováno v:
Energy Reports, Vol 8, Iss , Pp 156-174 (2022)
In this paper, the vortex shedding characteristics been numerically simulated for Re = 1 × 104 by computational fluid dynamics (CFD), which caused by flow separation of NACA0012 airfoil. What is more, the variation of vortex shedding structure and t
Externí odkaz:
https://doaj.org/article/1363a8a88e6a40699af2cb65fa485f05
Publikováno v:
Aerospace, Vol 11, Iss 1, p 67 (2024)
The use of film cooling technology is one of the most effective ways to minimize the damage to wall materials caused by the high-temperature environment in a ramjet. Optimization of the design to achieve the highest film cooling efficiency on the hot
Externí odkaz:
https://doaj.org/article/9892e42f309e454baa063d00275a5ee6
Publikováno v:
Aerospace, Vol 10, Iss 12, p 995 (2023)
In the combustion chamber of scramjets, fuel jets interact with supersonic airflow in the form of a liquid jet in crossflow (LJIC). It is difficult to achieve adequate jet–crossflow mixing and the efficient combustion of fuel in an instant. Large e
Externí odkaz:
https://doaj.org/article/808bea9b962849a39b2fe9b6691ffe61
Publikováno v:
Energy Reports, Vol 7, Iss , Pp 1453-1465 (2021)
In the present manuscript, the effects of different factors against film cooling is studied by numerical simulation. The film cooling effects at incident angles of 90∘, 60∘and 30∘are explored. The holes are arranged as single row, single hole,
Externí odkaz:
https://doaj.org/article/a079396170b249b2803c529bda013ffe
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-14 (2021)
Abstract By combining the synthetic jet and film cooling, the incident cooling flow is specially treated to find a better film cooling method. Numerical simulations of the synthetic coolant ejected are carried out for analyzing the cooling performanc
Externí odkaz:
https://doaj.org/article/db46f0730152413f866d3095cae0734e
Autor:
Donglong Zhou, Jianlong Chang
Publikováno v:
Shock and Vibration, Vol 2022 (2022)
Firstly, the MBD (multi-body dynamics) model of the whole vehicle is built according to the measured vehicle parameters. Then, the road spectra acquisition test is carried out. Under the test road conditions, the acceleration, displacement, and force
Externí odkaz:
https://doaj.org/article/5f46bf445198470f9fb9f31f1fa899bc
Publikováno v:
Case Studies in Thermal Engineering, Vol 12, Iss , Pp 655-665 (2018)
Numerical cases are studied for the behaviors of two dimensional classical and pulsating jet in crossflow (JICF) with Reynolds number 100. The corresponding flow characteristics of two dimensional JICF are presented by k-ε model in this paper in the
Externí odkaz:
https://doaj.org/article/0e308dcc7265440a83113fc5f176ddb4