AUTOMATIC LIQUID CRYSTAL THERMOGRAPHY FOR TRANSIENT HEAT TRANSFER MEASUREMENTS IN HYPERSONIC FLOW

Babinsky H.; Edwards JA.

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AUTOMATIC LIQUID CRYSTAL THERMOGRAPHY FOR TRANSIENT HEAT TRANSFER MEASUREMENTS IN HYPERSONIC FLOW

机译：超声流动中瞬态传热测量的自动液晶热成像

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A technique has been developed to measure surface heat transfer on windtunnel models in hypersonic flow based on the colour response of encapsulated thermochromic liquid crystals. The method supplies results of a superior spatial resolution at experimental uncertainties comparable to traditional methods. The approach is different from other liquid crystal applications in several key areas. It combines the calibration of the liquid crystal coating with the actual measurement and therefore allows for an efficient experiment. The method is automated in most steps involved. Results are shown for the flow over an axisymmetric compression corner at Mach 5 and compared with surface thermocouple measurements. [References: 16]

机译：基于封装的热致变色液晶的颜色响应，已开发出一种技术来测量超音速流中风洞模型上的表面传热。与传统方法相比，该方法在实验不确定性下可提供出色的空间分辨率结果。该方法在几个关键领域不同于其他液晶应用。它结合了液晶涂层的校准和实际测量，因此可以进行有效的实验。该方法在涉及的大多数步骤中都是自动化的。显示了在5马赫速度下流过轴对称压缩角的流量的结果，并与表面热电偶测量结果进行了比较。 [参考：16]

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《Experiments in Fluids: Experimental Methods and Their Applications to Fluid Flow》 |1996年第4期|共10页
作者
Babinsky H.; Edwards JA.;
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正文语种 eng
中图分类流体力学;
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1. AUTOMATIC LIQUID CRYSTAL THERMOGRAPHY FOR TRANSIENT HEAT TRANSFER MEASUREMENTS IN HYPERSONIC FLOW [J] . Babinsky H., Edwards JA. Experiments in Fluids: Experimental Methods and Their Applications to Fluid Flow . 1996,第4期

机译：超声流动中瞬态传热测量的自动液晶热成像
2. A transient liquid crystal thermography technique for gas turbine heat transfer measurements [J] . Srinath V. Ekkad, Je-Chin Han Measurement Science & Technology . 2000,第7期

机译：用于燃气轮机传热测量的瞬态液晶热成像技术
3. A new technique for dynamic heat transfer measurements and flow visualization using liquid crystal thermography [J] . A. David Ochoa, James W. Baughn, Aaron R. Byerley International Journal of Heat and Fluid Flow . 2005,第2期

机译：使用液晶热成像技术进行动态传热测量和流动可视化的新技术
4. TRANSIENT HEAT TRANSFER MEASUREMENTS FOR PLANAR AND CIRCULAR WALL JET USING LIQUID CRYSTAL THERMOGRAPHY [C] . Sangamesh C.Godi, Arvind Pattamatta, C. Balaji ASME international mechanical engineering congress and exposition . 2017

机译：液晶热成像法测量平面和圆壁射流的瞬态传热
5. A preheated-wall transient method using liquid crystals for the measurement of heat transfer on external surfaces and in ducts [D] . Yan, Xiaojun. 1993

机译：使用液晶的预热壁瞬态方法，用于测量外表面和管道中的热传递
6. Coaxial Thermocouples for Heat Transfer Measurements in Long-Duration High Enthalpy Flows [O] . Shizhong Zhang, Qiu Wang, Jinping Li, 2020

机译：用于长期高焓流的热传递测量的同轴热电偶
7. High Resolution Heat Transfer Measurement using Liquid Crystals in Hypersonic Flow [O] . Holger Babinsky 1994

机译：高分辨率传热测量使用液晶在超音流中的液晶
8. Pressure and Heat Transfer Measurements for Hypersonic Flows over Expansion Corners and Ahead of Ramps. Part IV: Mach 8 Heat Transfer Data for Flows Ahead of Ramps, Part of an Investigation of Hypersonic Flow Separation and Control Characteristics [R] . Kaufman, L. G. 1964

机译：膨胀角和坡道前的高超声速流动的压力和传热测量。第四部分：斜坡前方流量的马赫数8传热数据，高超声速流动分离和控制特性研究的一部分

AUTOMATIC LIQUID CRYSTAL THERMOGRAPHY FOR TRANSIENT HEAT TRANSFER MEASUREMENTS IN HYPERSONIC FLOW

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