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An experimental device for measuring periodic heat transfer coefficient

A technology of heat transfer coefficient and experimental equipment, which is applied in the direction of material thermal development, etc., can solve the problems of deformation of cooling steel plates and inability to continuously cool, and achieve the effects of stable rotation, wide adjustment range and convenient maintenance

Inactive Publication Date: 2015-10-21
INNER MONGOLIA UNIV OF SCI & TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] The technical problem to be solved by the present invention is to overcome the defects of the prior art, and provide an experimental device for measuring the periodic heat transfer coefficient, which is a drum type periodic heat transfer device, which is used to test the heat transfer rate of different cycles of heat transfer. The flow rate and heat transfer coefficient solve the problems of periodic heat transfer, cooling steel plate deformation, boundary heat dissipation, continuous cooling, spray angle adjustment and internal heat source setting

Method used

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  • An experimental device for measuring periodic heat transfer coefficient
  • An experimental device for measuring periodic heat transfer coefficient
  • An experimental device for measuring periodic heat transfer coefficient

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Embodiment Construction

[0039] The invention provides an experimental device for measuring the periodic heat transfer coefficient, such as Figure 7 As shown, it includes a rotating steel drum 1, and a transmission device and a speed regulating device connected with the rotating steel drum. A nozzle 2 is installed above the rotating steel drum, and the nozzle is respectively connected to the air source 5 and the The water source 6 is connected, and a thermocouple 7 and a heating device 8 are installed in the rotating steel drum. The experimental device is provided with a temperature signal collection device 9, and the thermocouple and the temperature signal collection device are electrically connected.

[0040] Such as figure 1 As shown, the left and right support barrels 10 and the right support barrels 11 are respectively installed on the left and right sides of the rotating steel drum. Figure 7As shown, the inside of the left support barrel, the rotating steel barrel and the right support barrel...

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Abstract

The invention discloses an experimental device for determination of periodic heat transfer coefficients, and the device can be used for determining heat transfer coefficients of different heat transfer cycles. The device comprises: a rotating steel bucket system, a gas water system, a heating system, a nozzle adjustment apparatus, and a temperature acquisition and processing system. The experimental device can adjust the steel bucket rotating speed to change the cooling surface movement speed so as to realize different heat transfer cycles. Different cooling ways can be achieved by changing different nozzles, and the cooling intensity can be changed by adjusting the air pressure and water pressure. The nozzle adjustment apparatus can change the spray angle and spray height of a nozzle. The device also can simulate a periodic cooling heat dissipation process with an internal heat source.

Description

technical field [0001] The invention relates to the technical field of measuring heat transfer coefficients of different periodic heat transfers, in particular to an experimental device for measuring periodic heat transfer coefficients. Background technique [0002] In the industrial cooling process, the heat transfer coefficient determines the cooling intensity. It is important to determine the relationship between different cooling water volumes, different nozzle spray heights, different spray angles and heat transfer coefficients for adjusting the cooling intensity. It plays a decisive role in formulating a reasonable cooling system and improving product quality. [0003] Periodic heat exchange exists in the production process of intermittent cooling in industrial production, that is, let the cooled workpiece pass through the arranged cooling nozzles once, and the workpiece is in a cooled state when it passes through the nozzle, and passes to the next nozzle when it leave...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N25/20
Inventor 赵增武张亚竹刘浩鹏胡强佐鸿飞杨文志
Owner INNER MONGOLIA UNIV OF SCI & TECH
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