Heat transfer process and direction synchronous real-time optical demonstration device and experiment method

A demonstration device and heat transfer technology, applied in teaching models, educational appliances, instruments, etc., can solve problems such as not seeing, and achieve the effects of simple structure, low cost, and easy portability

Active Publication Date: 2016-10-26
SHAANXI NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Realizing the simultaneous real-time visualization of heat transfer process and heat transfer direction is of great significance in the teaching of heat transfer, but there is no such teaching experiment demonstration instrument yet

Method used

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  • Heat transfer process and direction synchronous real-time optical demonstration device and experiment method
  • Heat transfer process and direction synchronous real-time optical demonstration device and experiment method
  • Heat transfer process and direction synchronous real-time optical demonstration device and experiment method

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Experimental program
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Embodiment 1

[0021] exist figure 1 Among them, the heat transfer process and direction synchronization real-time optical demonstration device of this embodiment is composed of a base 1, a water tank 2, a light screen 3, a water tank cover plate 4, an insulating layer 5, a heat conducting plate 6, a laser bracket 7, a semiconductor laser 8, and a connection .

[0022] A water tank 2 is placed on the base 1, and the water tank 2 is a transparent rectangular parallelepiped water tank. Used for heat preservation. The front and rear side walls of the middle position in the length direction of the water tank 2 are bonded with a heat conduction plate 6 with a sealant. The heat conduction plate 6 is a flat plate made of materials with uniform thickness and different thermal conductivity. In this embodiment, an aluminum plate is used, and a quartz glass plate can also be used. A plexiglass plate can also be used, the thickness of the heat conduction plate 6 is 3-6mm, the heat conduction plate 6 i...

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Abstract

The invention provides a heat transfer process and direction synchronous real-time optical demonstration device. A base is provided with a transparent water tank. The upper end of the water tank is provided with a water tank cover plate. The side wall of the water tank and the upper surface of the water tank cover plate are provided with heat insulation layers. The front and back side walls of the middle position of the length direction of the water tank are provided with heat conduction plates which divide the water tank into a left water tank and a right water tank with the same volume. The outer base of the back side wall of the water tank is provided with a light screen. The outer base of the front side wall is provided with a laser bracket which is provided with a semiconductor laser. The laser beam outputted by the semiconductor laser goes through the front side wall and back side wall of the water tank from the left water tank, is close to the side faces of the heat conduction plates, and is projected to the light screen. The laser beam is parallel to the heat conduction plates and a horizontal plane, and the distances between the axis in the laser beam and the heat conduction plates are equal to the radius length of the cross section of laser beam. The device has the advantages of a simple structure, low cost, convenient carrying and an obvious demonstration phenomenon and can be used as a heat transfer theory teaching demonstration experiment instrument.

Description

technical field [0001] The invention belongs to the field of heat transfer experiment instruments, and in particular relates to an optical demonstration device in the heat transfer process. Background technique [0002] Heat transfer is one of the most common natural phenomena. Heat transfer is a science that studies the laws of heat transfer caused by temperature differences. Since there are temperature differences that promote heat transfer everywhere in nature and production technology, the theory of "heat transfer" is widely used in nature and various fields. Therefore, it has become the backbone basic course of many engineering majors. Whether or not this course can be learned well will definitely affect students' study of subsequent courses and their ability to use "heat transfer" knowledge to solve engineering problems in future work. Demonstration experiments are of great significance to help students observe heat conduction phenomena, increase perceptual knowledge...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09B23/16
CPCG09B23/16
Inventor 张宗权李永放徐铭李文文田玉龙姚杰郭恒源刘统波郭雅郭学钰
Owner SHAANXI NORMAL UNIV
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