NDLI: 3-D Simulation of external cooling of aero-optical side window

Content Provider	IEEE Xplore Digital Library
Author	Chun-Chi Li Yi-Chan Lin Ming-Chun Hsieh
Copyright Year	2011
Description	Author affiliation: Master Program of Mechanical Engineering, Chung Cheng Institute of Technology, NDU, Dasi Township 335, Taoyuan County, Taiwan, ROC (Yi-Chan Lin; Ming-Chun Hsieh) \|\| Dept. of Mechatronic, Energy & Aerospace Engineering, Chung Cheng Institute of Technology, NDU, Dasi Township 335, Taoyuan County, Taiwan, ROC (Chun-Chi Li)
Abstract	Under hypersonic flow environment, the aero-optical side window of optical guidance missile will trigger aero-thermodynamic effects causing high heat and cracks to optical windows which eventually leads to failure of optical windows. This study uses computational fluid dynamic as a tool to simulate hypersonic flow, optical side window cooling and jet flow design. Simulation results show that cooling effect with surface temperature less than 500K can be achieved when the external cooling jet flow reaches 0.125kg/s, thus meeting the needs of weight-bearing projectile. Since the optical side windows are located at leeward, greater angle of attack (AOA = 30) will result in a better cooling effect of the flow field under the condition with the present of AOA. Besides, the groove temperature for optical side window is similar to the temperature of cooling jet.
Starting Page	214
Ending Page	218
File Size	3935472
Page Count	5
File Format	PDF
ISBN	9781612844855
e-ISBN	9781612844862
DOI	10.1109/ICCSN.2011.6014883
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-05-27
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	aero-thermodynamic effect cooling optical guidance missile Optical imaging hypersonic flow aero-optical side window
Content Type	Text
Resource Type	Article

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