Multifunctional Steam Condensation Heat Exchange and Frosting Process Visualization Experimental Device

Abstract

The invention belongs to the technical field of condensation heat transfer; a multi-functional visualization experimental device for steam condensation heat transfer and frosting process includes a vacuum environment system, a visualization system, a steam generation system, a gas supply system, a cooling system, a data acquisition and control system, an experimental sample and a fixture. The multi-functional visualization experimental device is a device capable of completing various steam condensation and frosting experiments; the device can be used for studying the influence of the content of multi-component non-condensable gas on condensation heat transfer, the influence of a material or surface structure on condensation heat transfer with or without non-condensable gas, condensation heat transfer with variable steam pressure and frosting phenomena and the like. At the same time, the shape of experimental samples is not needed, the observation viewing angle is large, and side shooting and high-angle shooting can be carried out at the same time.

Description

technical field [0001] The invention belongs to the technical field of condensation heat transfer, and relates to an experimental device capable of observing the steam condensation and frosting process and measuring the condensation heat transfer coefficient of a sample surface. Background technique [0002] Condensation phase change heat transfer is a ubiquitous energy transport method, which has been widely used in production and life such as aerospace, power generation, thermal management, seawater desalination, and environmental control. Materials, micro-macrostructure, non-condensable gas content, and surface steam renewal rate all have an impact on the condensation heat transfer efficiency, so the study of the law of each influencing factor and the coordination among various factors have become the focus of increasing attention. At the same time, using these factors to realize the regulation of the condensation phase change heat transfer process is also very important ...

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Problems solved by technology

[0004] The purpose of the present invention is to solve the problems such as the poor versatility of the above-mentioned existing experimental devices. The present invention provides a device capable of completing various steam condensation and frosting experiments. Through this device, the effect of multi-component non-condensable gas content on The effect of condensation heat transfer, the effect of material or surface structure on condensation heat transfer with (or without) non-condensable gas, low pressure steam condensation heat transfer and frosting under the same conditions, etc.

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