Numerical simulation of the nozzle and ejector effect on the performance of a pulse detonation engine
Numerical simulation of the nozzle and ejector effect on the performance of a pulse detonation engine
复制标题
喷嘴和喷射器对脉冲爆震发动机性能影响的数值模拟
DOI:
10.2298/tsci170319294w
复制
发表时间:
2017
期刊:
影响因子:
1.7
通讯作者:
Zheng Longxi
中科院分区:
文献类型:
--
作者:
Wang Zhiwu;Liu Xing;Wang Yaqi;Li Hongwei;Zhang Kun;Zheng Longxi
Single-shot pulse detonation engine (PDE) with three different types of nozzles-straight ejector combinational structures at three different ejector positions were simulated by the unsteady 2-D axisymmetric method. Three types of nozzles included the straight nozzle, convergent nozzle and convergent-divergent nozzle. Propane was used as the fuel and air as the oxidizer. The simulation results indicated that the PDE with a straight nozzle and PDE with a convergent-divergent nozzle obtained improved performance when an ejector was added at all of the three ejector positions (x /d = –1, 0 and +1), and PDE with a convergent-divergent nozzle gained the larger improved performance at all the three ejector positions. The PDE with a convergent nozzle-ejector combinational structure obtained the slightly worse performance at the ejector position of x /d = –1, gained the slightly increased performance at the ejector position of x/d = 0, and achieved the largest impulse augmentation and the second largest ejection ratio at the ejector position of x /d = +1 among all of the nine cases of the nozzle-ejector combinational structures. Ejector position of x /d = +1 was the best ejection position at which the PDE with a convergent nozzle-ejector combinational structure achieved the best propulsion performance, ejector position of x /d = –1 was the best ejector position for the PDE with a convergent-divergent nozzle-ejector combinational structure, and ejector position of x /d = 0 was the best ejector position for the PDE with a straight nozzle-ejector combinational structure.
登录
查看更多内容
影响因子:
2.2
作者:
A. Glaser;N. Caldwell;E. Gutmark;J. Hoke;R. Bradley;F. Schauer
通讯作者:
A. Glaser;N. Caldwell;E. Gutmark;J. Hoke;R. Bradley;F. Schauer
DOI:
--
发表时间:
2011
期刊:
Open Journal of Fluid Dynamics
影响因子:
--
作者:
Zhang Jian-bang
通讯作者:
Zhang Jian-bang
DOI:
--
发表时间:
2003-08
期刊:
Journal of Propulsion Technology
影响因子:
--
作者:
Jack Wilson
通讯作者:
Jack Wilson
影响因子:
2.2
作者:
R. Santoro;S. Pal;K. Landry;R. Shehadeh;N. Bouvet;Seong-Young Lee
通讯作者:
R. Santoro;S. Pal;K. Landry;R. Shehadeh;N. Bouvet;Seong-Young Lee
DOI:
10.4236/ojfd.2014.45035
发表时间:
2014-12
期刊:
Open Journal of Fluid Dynamics
影响因子:
--
作者:
Kazuhiko Toshimitsu;Shuuto Mikajiri;R. Takahashi
通讯作者:
Kazuhiko Toshimitsu;Shuuto Mikajiri;R. Takahashi