Method and module for detecting heat dissipation performance of heat radiator in whole vehicle environment

A technology of heat dissipation performance and detection method, which is used in vehicle testing, machine/structural component testing, instruments, etc., can solve the problem of poor fit, inaccurate representation of radiator heat dissipation, and reduced radiator heat dissipation performance reliability. and reliability and other issues, to achieve the effect of improving the accuracy of representation

Active Publication Date: 2018-12-11
ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
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Problems solved by technology

Therefore, the existing research results of radiator heat dissipation performance tests have the disadvantages of inaccurate characterization and poor agreement with the heat dissipation of radiators in the vehicle environment, which reduces the reliability and reliability of the test results of radiator heat dissipation performance. Credibility

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  • Method and module for detecting heat dissipation performance of heat radiator in whole vehicle environment

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Embodiment Construction

[0028] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that the relative arrangements of components and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.

[0029] The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses.

[0030] Techniques, methods and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such techniques, methods and devices should be considered part of the description.

[0031] In all examples shown and discussed herein, any specific values ​​should be construed as exemplary only, and not as limitations. Therefore, other instances of the exemplary embodiment may have dif...

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Abstract

The invention discloses a method and module for detecting the heat dissipation performance of a heat radiator in a whole vehicle environment, and the method comprises the following steps: collecting the surface wind speed uw of the heat radiator of a whole vehicle cooling fan at different tap positions at different vehicle speeds ua; obtaining a heat dissipation coefficient Kw through the flow Vwof cooling liquid passing through the heat radiator and the surface wind speed uw of the heat radiator; collecting the inlet liquid temperature Tw-in at different vehicle speeds ua; and calculating the heat dissipation quantity Qw=Kw(Tw-in-Ta)Sw of the whole vehicle heat radiator according to the heat dissipation coefficient Kw, the inlet liquid temperature Tw-in, the ambient temperature Ta and the sectional area Sw of the heat radiator. The method can obtain the heat dissipation quantity of the heat radiator in the whole vehicle environment, and facilitates the improvement of the representation precision, reliability and credibility of the heat dissipation performance of the heat radiator.

Description

technical field [0001] The invention relates to the field of engine heat dissipation testing, and more specifically, to a method and module for detecting heat dissipation performance of a vehicle environment radiator. Background technique [0002] The heat dissipation performance test of the radiator mainly refers to the ability of the large cycle of the engine to transfer heat to the surrounding air through the radiator, which is an important part of the energy flow test of the whole vehicle. The existing heat dissipation performance test method of radiator is to use the heat transfer mode of double-flow device and single-flow device to establish the micro-channel model of the corrugated fin on the air side of the radiator and carry out simulation. [0003] However, the existing heat dissipation performance tests of radiators mainly focus on the heat dissipation performance of the radiator itself, without considering the heat dissipation performance of the radiator in the v...

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Application Information

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IPC IPC(8): G01M17/007G01M13/00G01N25/20
CPCG01M13/00G01M17/007G01N25/20
Inventor 王臻华张华楠李宏恩汪勇张乐乐邹珂尹传军张同宝
Owner ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
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