VI.2. Effect of variable liquid properties on the flow structure within shear-driven wall films

机译：VI.2。可变液体特性对剪切驱动壁膜内流动结构的影响

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Liquid wall films driven by air flow occur in fuel preparation processes of advanced prefilming gas turbine compustor nzzles or in intake manifolds of SI-engines. There is a need to develop new and more accurate models to describe the heat transfer from the wall to the film. To obtain data necessary for the modeling a new measurement device in combination with an enhanced data processing technique has been developed. The device combines two novel measurement systems. It consists of a film structure measurement system and a specially adapted LDV-system with a miniaturized probe volume. This combination allows simultaneous measurements of film thickness and flow velocity within the film. For the first time detailed information of the internal flow structure are provided under consideration of the effect of variable liquid properties on the film hydrodynamics.

机译：由空气流驱动的液体壁膜出现在先进的预成膜燃气轮机燃烧器喷嘴的燃料制备过程中或SI发动机的进气歧管中。需要开发新的和更精确的模型来描述从壁到膜的热传递。为了获得建模所需的数据，已经开发了与增强的数据处理技术结合的新的测量设备。该设备结合了两种新颖的测量系统。它由一个胶片结构测量系统和一个特殊的LDV系统组成，该系统具有最小化的探头体积。这种组合允许同时测量薄膜厚度和薄膜内的流速。考虑到可变液体性质对薄膜流体动力学的影响，首次提供了内部流动结构的详细信息。

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来源
《Selected Papers from the 9th International Symposium on Laser Techniques Applied to Fluid Mechanics Lisbon, Portugal, July 13-16, 1998》|1998年|p.545-564|共20页
会议地点 Lisbon(PT)
作者
A.Elsasser; W.Samenfink; J.Ebner; K.Dullenkopf; S.Wittig;
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原文格式 PDF
正文语种 eng
中图分类无线电电子学、电信技术;
关键词
film hydrodynamics; LDV;

机译：膜流体力学轻型车;

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3. Integral Methods of Calculation of Heat Transfer and Drag under Conditions of Turbulent Pipe Flow of Liquid of Variable Properties: Steady-State and Quasi-Steady-State Flows in a Round Pipe with Constant Density of Heat Flux to the Wall [J] . E. P. Valueva High temperature: English translation of teplofizika vysokikh temperatur . 2007,第1期

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4. VI.2. Effect of variable liquid properties on the flow structure within shear-driven wall films [C] . A.Elsasser, W.Samenfink, J.Ebner, International symposium on laser techniques applied to fluid mechanics . 2000

机译：vi.2。可变液体特性对剪切驱动壁膜内流动结构的影响
5. The Separation of Shear-Driven Liquid Films from a Sharp Corner [D] . Sadeghizadeh, Zahra. 2018

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VI.2. Effect of variable liquid properties on the flow structure within shear-driven wall films

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