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NASA Glenn Icing Research Tunnel: 2014 and 2015 Cloud Calibration Procedures and Results.
| 题名： | NASA Glenn Icing Research Tunnel: 2014 and 2015 Cloud Calibration Procedures and Results. |
| 作者： | Steen, L. E.; Ide, R. F.; Van Zante, J. F.; Acosta, W. J. |
| 关键词： | Research facilities, Ice formation, Calibrating, Ice clouds, Wind tunnel tests, Drop size, Test chambers, Moisture content, Tunnels, Wind tunnel nozzles, Grids, Data acquisition |
| 摘要： | This report summarizes the current status of the NASA Glenn Research Center (GRC) Icing Research Tunnel cloud calibration: specifically, the cloud uniformity, liquid water content, and drop-size calibration results from both the January-February 2014 full cloud calibration and the January 2015 interim cloud calibration. Some aspects of the cloud have remained the same as what was reported for the 2014 full calibration, including the cloud uniformity from the Standard nozzles, the drop-size equations for Standard and Mod1 nozzles, and the liquid water content for large-drop conditions. Overall, the tests performed in January 2015 showed good repeatability to 2014, but there is new information to report as well. There have been minor updates to the Mod1 cloud uniformity on the north side of the test section. Also, successful testing with the OAP-230Y has allowed the IRT to re-expand its operating envelopes for large-drop conditions to a maximum median volumetric diameter of 270 microns. Lastly, improvements to the collection-efficiency correction for the SEA multi-wire have resulted in new calibration equations for Standard- and Mod1-nozzle liquid water content. |
| 总页数： | Steen, L. E.; Ide, R. F.; Van Zante, J. F.; Acosta, W. J. |
| 报告类型： | 科技报告 |
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