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Experimental Investigation of the NASA Common Research Model with a Natural Laminar Flow Wing in the NASA Langley National Transonic Facility

机译：美国宇航局兰德利国家跨安跨安术中天然流动翼的美国宇航局常见研究模型的实验研究

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A test of the new NASA Common Research Model with a Natural Laminar Flow (CRM-NLF) semispan wing in the NASA Langley National Transonic Facility (NTF) was completed in October 2018. The main focus of this test was the evaluation of the extent of laminar flow on the CRM-NLF wing at various Reynolds numbers and test conditions. During this test, data were acquired at chord Reynolds numbers from 10 to 30 million and at Mach numbers ranging from 0.84 to 0.86. This investigation provided valuable insight into the necessary procedures for laminar flow testing in the NTF. It also significantly advanced the new carbon-based heating layer technique to improve the quality of transition visualization data from temperature sensitive paint (TSP) in a cryogenic wind tunnel.
机译：2018年10月完成了NASA Langley国家跨安设施（NTF）的自然层流（CRM-NLF）半球翼的新航空航天群常见研究模型的考验。该测试的主要重点是评价在各种雷诺数和测试条件下CRM-NLF翼的层流。在该测试期间，在河卷Reynolds编号中获取数据，从10到3000万，并且在0.84到0.86的马赫数的马赫数。本调查为NTF中的层流程测试的必要程序提供了有价值的见解。它还显着提出了新的基于碳的加热层技术，以提高低温风隧道中温度敏感涂料（TSP）的过渡可视化数据质量。

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