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Yongchan Kim, Junyeop Nam, Tae-Seong Roh and Hyoung Jin Lee
Base drag has a significant effect on the overall drag of a projectile in a supersonic flow. Herein, the base drag and flow characteristics of cold and hot gas flow in a supersonic flow are analyzed via numerical simulations. The hot gas flow is simulate...
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Manuel Ernesto Maqueo Martínez, Stefan Schippling, Markus Schatz and Damian M. Vogt
Considerable progress has been achieved in recent decades in understanding the phenomena related to the onset of condensation in steam flows, both experimentally and especially numerically. Nevertheless, there is still a certain disagreement between the ...
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Yufang Wang and Nannan Wang
The effects of projectile rotation on the internal and external flow fields of the supersonic fluidic element are numerically studied using sliding grid technique and the RNG k-e turbulence model. The effects of rotating speed on internal and external fl...
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Xiaoguang Zhang, Huixue Dang and Bin Li
The aerodynamic noise of an aircraft leads to vibration fatigue damage to structures. Herein, a prediction method for aircraft surface noise under the comprehensive effect of mixed acoustic sources during flight, primarily surface aerodynamic, air intake...
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Valeriy Zapryagaev, Ivan Kavun and Nikolay Kiselev
Using the example of studying the supersonic underexpanded jet initial section, the issue of interpreting the experimental visualization data and Pitot pressure measurement data using the results of numerical calculations (2d RANS k-? SST) is discussed. ...
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Songyan Tian, Yanhui Duan and Hongbo Chen
To facilitate future Hypersonic Flight Vehicle (HFV) implementation with high maneuverability throughout its reentry trajectory, an Active Jets-Matrix (AJM) is designed to serve as the flapless pitch control surface. The AJM consists of four control grou...
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Bernhard Semlitsch and Mihai Mihaescu
The ability to manipulate shock patterns in a supersonic nozzle flow with fluidic injection is investigated numerically using Large Eddy Simulations. Various injector configurations in the proximity of the nozzle throat are screened for numerous injectio...
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Kalyani Bhide, Kiran Siddappaji and Shaaban Abdallah
This work attempts to connect internal flow to the exit flow and supersonic jet mixing in rectangular nozzles with low to high aspect ratios (AR). A series of low and high aspect ratio rectangular nozzles (design Mach number = 1.5) with sharp throats are...
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Ambareen Khan, Parvathy Rajendran and Junior Sarjit Singh Sidhu
In the present world, passive control finds application in various areas like flow over blunt projectiles, missiles, supersonic parallel diffusers (for cruise correction), the engine of jets, static testbeds of rockets, the ports of internal combustion e...
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San Luis B. Tolentino Masgo, Richard Nakka, Simón Caraballo, Jorge Mírez
Numerical studies of the flow field for convergent-divergent nozzles with throat length, have reported fluctuations of the flow with oblique shock waves in the throat section, for the over-expanded flow condition. However, for other flow conditions, for ...
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