Determination method of interaction force between liquid drops and two-phase flow control method and equipment
A technology of interaction force and determination method, applied in the determination method of interaction force between droplets, in the field of two-phase flow control, which can solve the problems of affecting two-phase flow research, high cost of interaction force, and difficult to popularize and use.
Active Publication Date: 2020-01-14
CHINA UNIV OF PETROLEUM (BEIJING)
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Problems solved by technology
[0005] The embodiment of the present application provides a method for determining the interaction force between droplets, a two-phase flow control method and equipment, so as to solve the problem of the high cost of measuring the interaction force between droplets with an atomic force microscope or optical tweezers, which is difficult to popularize and use. Issues Affecting Subsequent Research on Two-Phase Flow
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[0084] In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.
[0085] Two-phase flow refers to a flow system composed of two-phase substances with at least one phase being fluid. It is the most common viscous fluid flow involved in the completion of interphase mass transfer and reaction processes in production, such as heat transfer when there is a phase change , gas absorption in column equipment, liquid distill...
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The embodiment of the invention provides a method for determining interaction force between liquid drops and a two-phase flow control method and device. The method for determining the interaction force between the liquid drops comprises the following steps: determining the interaction force between the liquid drops; wherein the image collection device is used for acquiring an image of a to-be-detected liquid drop shot by a shooting device connected with the amplification device under a light source, the to-be-detected liquid drop comprises a first liquid drop and a second liquid drop, and thefirst liquid drop is suspended in a transparent container and is close to the second liquid drop existing in the transparent container; determining a droplet profile of the first droplet according tothe image; obtaining a liquid drop according to the image and the liquid drop outline; according to the method, the interaction force between the first liquid drop and the second liquid drop is determined, so that the micro interaction force between the liquid drops is accurately determined, expensive measuring instruments and high operation skills are not needed, the cost is low, the operation issimple and convenient, and the popularization is easy, so that the subsequent research on the two-phase flow is facilitated.
Description
technical field [0001] The embodiments of the present application relate to the technical field of two-phase flow, and in particular to a method for determining the interaction force between droplets, a method and equipment for controlling two-phase flow. Background technique [0002] With the development of social economy and science and technology, chemistry, chemical industry, petrochemical, medicine, food and other fields have been developing rapidly, and the application of two-phase flow is inseparable from the above fields. Two-phase flow refers to a flow system composed of two-phase substances with at least one phase being fluid. It is the most common viscous fluid flow involved in the completion of interphase mass transfer and reaction processes in production, such as heat transfer when there is a phase change , gas absorption in column equipment, liquid distillation, liquid extraction, and chemical reaction processes in stirred tanks or bubble columns, etc., all inv...
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IPC IPC(8): G06F30/20G01B11/24
CPCG01B11/24
Inventor 兰文杰
Owner CHINA UNIV OF PETROLEUM (BEIJING)