Thermal-Mechanical Effects and Near-Critical Fluid Dynamic Behaviors in Micro-Scale

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Author(s): Lin Chen (Institute of Engineering Thermophysics, Chinese Academy of Sciences, China & University of Chinese Academy of Sciences, China)
Copyright: 2021
Pages: 57
Source title: Handbook of Research on Advancements in Supercritical Fluids Applications for Sustainable Energy Systems
Source Author(s)/Editor(s): Lin Chen (Institute of Engineering Thermophysics, Chinese Academy of Sciences, China & University of Chinese Academy of Sciences, China)
DOI: 10.4018/978-1-7998-5796-9.ch003

Keywords: Chemical Engineering / Engineering Science Reference / Science & Engineering

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Abstract

Supercritical CO2 fluid has been widely used in chemical extraction, chemical synthesis, micro-manufacturing, and heat transfer apparatus, and so forth. The current chapter deals with near-critical CO2 micro-scale thermal convective flow and the effects of thermal-mechanical process. When the scale becomes smaller, new, and detailed figures of near-critical thermal effects emerges. To explore this new area, theoretical developments and numerical investigations are discussed and explained in this chapter. From a theoretical point of view, the thermal-mechanical nature of near-critical fluid would play a leading role in small time and spatial scales. This effect is found dominant to the thermal dynamic responses and convective structures of micro-scale fluid behaviors. The scaling effects, boundary thermal-mechanical process, instability evolutions, mixing flows and characteristics, possible extensions, and applications are also discussed in this chapter.

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Thermal-Mechanical Effects and Near-Critical Fluid Dynamic Behaviors in Micro-Scale

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