Heat-flux gage, manufacturing method and manufacturing device thereof
a technology of heat-flux gage and manufacturing method, which is applied in the direction of heat measurement, instruments, calorimeters, etc., can solve the problem of reducing the sensitivity of the gag
Inactive Publication Date: 2005-01-13
INT BUSINESS MASCH CORP
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- Abstract
- Description
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- Application Information
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Problems solved by technology
A metallic coating having low emissivity formed by highly polished gold and nickel is used in a certain case which requires reflection of radiant heat, since the above coating reduces the sensitivity of the gage.
Method used
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[0046] Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings.
[0047]FIG. 2 is a longitudinal cross-sectional view showing a structure of a heat-flux gage according to the present invention, FIG. 3 through FIG. 6 are views showing manufacturing process of the heat-flux gage according to the present invention, FIG. 3 through FIG. 6 are showing manufacturing processes of the heat-flux gage according to the present invention, wherein FIG. 3 is a longitudinal cross sectional view illustrating foil welding step; FIG. 4 is a longitudinal cross-sectional view illustrating body welding step; FIG. 5 is a longitudinal cross-sectional view illustrating assembly fixture mounting step and foil assembly step; FIG. 6 is a longitudinal cross-sectional view illustrating filling step; and FIG. 7 is a longitudinal cross-sectional view showing a structure of the assembly fixture of the heat-flux gage acc...
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Abstract
A heat-flux gage, a manufacturing method and a manufacturing device thereof which are improved from circular foil heat-flux gage disposed in ASTM E511 comprise: a cylindrical body having a receiving space therein, and a foil mounting hole on one end thereof; a foil including a heat absorption surface, an inner surface facing the heat absorption surface, and a radiant side surface connecting the heat absorption surface and the inner surface, wherein the inner surface faces toward the receiving space and the radiant side surface is contacted to a side surface of the foil mounting hole; a foil lead wire connected on a center of the inner surface of the foil; a body lead wire connected to an opposite end of the foil mounting hole on the cylindrical body; and a filler filled in the inner receiving space, to prevent the foil lead wire from being damaged by fixing the foil lead wire.
Description
BACKGROUND OF THE INVENTION [0001] 1. Field of the Invention [0002] The present invention relates to a heat-flux gage, a manufacturing method thereof and a manufacturing device thereof, and particularly, to a heat-flux gage which is improved from a circular foil heat-flux gage disposed in ASTM (American Society for Testing and Material) E511, a manufacturing method and a manufacturing device thereof. [0003] 2. Description of the Background Art [0004] When a temperature difference is generated between metals of difference kinds which are contacted to each other, an electromotive force (emf) is generated due to thermoelectric potential difference between the metals. And heat-flux gage means a sensor for calculating heat-flux amount by multiplying the electromotive force (emf) generated according to above principle by compensating value of heat-flux after mounting the above assembly of two kinds of metals on a heat source which will be measured. [0005]FIG. 1 is a cross sectional view s...
Claims
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IPC IPC(8): G01K17/00G01K7/02G01K11/00G01K17/20
CPCG01K17/20G01K11/00
Inventor LEE, YEOL HWAKOO, SEONG WANCHOI, JONG HAK
Owner INT BUSINESS MASCH CORP