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Nanomaterial phase transfer detection device and method

A technology of nanomaterials and detection devices, which is applied in the direction of color/spectral characteristic measurement, etc., and can solve problems such as detection of phase transfer of nanomaterials that is difficult to achieve

Inactive Publication Date: 2007-02-14
HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this method is limited to the static analysis of nanomaterials in nanofluids; it is difficult to detect whether nanomaterials in nanofluids can undergo phase transfer or not

Method used

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  • Nanomaterial phase transfer detection device and method

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Embodiment Construction

[0030] The embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0031] see figure 1 , The nanomaterial phase transition detection device 10 provided by the first embodiment of the present invention includes a first container 20 ; a second container 30 ; a heating device; a light source 40 ;

[0032] Wherein, the first container 20 can be placed on a heat-resistant fixed base 26, and the base 26 can be heat-resistant metal or bakelite. This first container 20 can be further provided with a vacuum valve 22, which is connected with a vacuum device for evacuating it, so that it reaches a predetermined vacuum degree, and the vacuum degree of the first container 20 can be adjusted according to its containing The fields of application of nanofluids vary. The material of the side wall of the first container 20 can be aluminum or copper and other heat-conducting metals, which are used to contain a nanofluid to...

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Abstract

A phase shift detection device of nanomaterial is prepared as using the first container to hold nanofluid to be detected, forming the second container by a light incoming surface and an opposite light outgoing surface and connecting it to the first container, heating nanofluid by heating unit, providing a light beam to income to the second container by light source through said container incoming surface and using light spectrum to receive light beam outputted from said light outgoing surface to detect character absorption peak of nanomaterial. Its detecting method is also disclosed.

Description

【Technical field】 [0001] The invention relates to a nanomaterial phase transfer detection device and method which can be used to detect nanofluid. 【Background technique】 [0002] A nanofluid is a suspension consisting of a liquid and nanomaterials added to the liquid. Wherein, the liquid includes solvents such as water, and the nanomaterials include nanoparticles, such as metal nanopowders and their oxides. [0003] Current studies have shown that adding nanomaterials in different ways and in different proportions in liquids can significantly increase the thermal conductivity of liquids, which shows that nanofluids have broad application prospects in the field of enhanced heat transfer. [0004] The main reason for the enhanced heat transfer of nanofluids is that in addition to adding nanomaterials to the liquid to increase the heat capacity and thermal conductivity of the liquid, the interaction and collision between the particles of the nanomaterials, the particles and th...

Claims

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Application Information

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IPC IPC(8): G01N21/33G01N21/31
Inventor 陈升熙
Owner HONG FU JIN PRECISION IND (SHENZHEN) CO LTD