Zobrazeno 1 - 10
of 19
pro vyhledávání: '"M Y M Ahmed"'
Publikováno v:
Advances in Military Technology. 17:137-152
Base bleed, in which gases are discharged at the base of projectile, is confirmed to be an effective drag reduction technique. Itis believed that the design of base exit can impact the pattern of gas bleeding and, hence, the level of drag reduction.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::49adbbc08072fb826f66d01a179a48d6
https://doi.org/10.3849/aimt.01529
https://doi.org/10.3849/aimt.01529
Publikováno v:
IOP Conference Series: Materials Science and Engineering. 1172:012042
A nozzle is a device that is designed to regulate the direction and characteristics of the combustion gas products of jet engines. So, the nozzle performance has a significant impact on the mission achievement. This paper is concerned with the intern
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d5479649af0a29ded6d97c955f023203
https://doi.org/10.1088/1757-899x/1172/1/012042
https://doi.org/10.1088/1757-899x/1172/1/012042
Publikováno v:
Journal of Propulsion and Power. 33:1285-1293
Dual-thrust solid propellant rocket motors are used in applications where the vehicle is boosted with a high thrust to reach very quickly a high speed that is then sustained by a low thrust. Dual-t...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b19f1dc33a7822a35690e973c0463fea
https://doi.org/10.2514/1.b36233
https://doi.org/10.2514/1.b36233
Publikováno v:
International Conference on Aerospace Sciences and Aviation Technology. 17:1-14
The aerodynamic features of pitching NACA0009 airfoil are explored in the present study. The objective is to investigate the impact of pitching mean angle of attack and amplitude on the temporal variation of airfoil aerodynamic coefficients. Numerica
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::10d2a7a9959d6964fd2939631eaec2c3
https://doi.org/10.21608/asat.2017.22361
https://doi.org/10.21608/asat.2017.22361
Publikováno v:
Journal of Propulsion and Power. 33:531-536
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::31c38a64a5af8906b17d119efba98a82
https://doi.org/10.2514/1.b36123
https://doi.org/10.2514/1.b36123
EXPERIMENTAL, COMPUTATIONAL, AND EMPIRICAL EVALUATION OF SUPERSONIC MISSILE AERODYNAMIC COEFFICIENTS
Publikováno v:
The International Conference on Applied Mechanics and Mechanical Engineering. 17:1-15
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f9812f65eb86d213bd8fd777f554f86b
https://doi.org/10.21608/amme.2016.35168
https://doi.org/10.21608/amme.2016.35168
Publikováno v:
IOP Conference Series: Materials Science and Engineering. 973:012033
A computational study is performed to predict the drag reduction for a base bleed projectile. 2-D and 3-D simulations are conducted to describe the flow past a projectile with base bleed. The calculated computational results are compared with measure
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6eca2fc467f4f3e4db848e6068a34391
https://doi.org/10.1088/1757-899x/973/1/012033
https://doi.org/10.1088/1757-899x/973/1/012033
Publikováno v:
International Conference on Aerospace Sciences and Aviation Technology. 16:1-13
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bd30a589c5df6bb0b2202e0191767ae3
https://doi.org/10.21608/asat.2015.23034
https://doi.org/10.21608/asat.2015.23034
Autor:
M. Y. M. Ahmed
Publikováno v:
International Conference on Aerospace Sciences and Aviation Technology. 16:1-15
Generally, physical phenomena are represented in the form of explicit mathematical expressions that stem from basic governing equations. However, in many cases, having these expressions may not be achieved and a considerable part of our knowledge rel
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d9a09ddd6b8fd2cb1199c09d2c1cfdcc
https://doi.org/10.21608/asat.2015.22807
https://doi.org/10.21608/asat.2015.22807
Autor:
Ning Qin, M. Y. M. Ahmed
Publikováno v:
Progress in Aerospace Sciences. 112:100585
One key feature that distinguishes the flowfield around vehicles flying in supersonic and hypersonic regimes is the bow shock wave ahead of forebody. The severe drag and aeroheating impacting these vehicles can be significantly reduced if the bow sho
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f22047e5ea65c26542c2209bcb970e20
https://doi.org/10.1016/j.paerosci.2019.100585
https://doi.org/10.1016/j.paerosci.2019.100585