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Experimental device and method for directional solidification of nanofluid

A nanofluid, directional solidification technology, applied in the investigation phase/state change and other directions, can solve the problem of nanofluid stability research not yet carried out, and achieve the effects of good refrigeration effect, convenient operation and simple device structure

Active Publication Date: 2017-06-13
GUANGDONG UNIV OF TECH
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  • Claims
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Problems solved by technology

At present, the stability research of nanofluids in the process of solid-liquid phase transition has not yet been carried out, and the uniform distribution of nanofluids after solidification and crystallization has not been paid much attention.

Method used

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  • Experimental device and method for directional solidification of nanofluid

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Embodiment Construction

[0022] An experimental device for directional solidification of nanofluids according to the present invention will be further described below in conjunction with the accompanying drawings and specific examples.

[0023] An experimental setup for directional solidification of nanofluids, such as figure 1 As shown, it includes a constant temperature and heat preservation cover 1, and the interior of the constant temperature and heat preservation cover 1 is sequentially installed with an upper cooling platform 2, an upper cooling body 3, a lower cooling body 4 and a lower cooling platform 5, and the upper cooling body 3 is fixedly installed (Welding) In the upper cooling platform 2 bottoms, the lower guide cooling body 4 is fixedly installed (welded) on the lower cooling platform 5 tops, and there is a nanofluid sample 9 to be measured between the upper guiding cooling body 3 and the lower guiding cooling body 4 The top of the upper cooling table 2 is equipped with a cooling plat...

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Abstract

The invention discloses an experimental device for directional solidification of nanofluids, which comprises a constant temperature heat preservation cover. An upper cooling platform, an upper guiding cooling body, a lower guiding cooling body and a lower cooling platform are sequentially installed in the inside of the constant temperature insulating cover. The cooling body is fixedly installed on the lower part of the upper cooling table, and the lower cooling body is fixedly installed on the upper part of the lower cooling table. There is a gap between the upper cooling body and the lower cooling body to place the nanofluid sample to be tested. There is an air inlet on the top of the constant temperature and heat preservation cover, and a fan is installed at the air inlet, and an air outlet is opened on the bottom of the constant temperature and heat preservation cover. There is a window for taking and placing the nanofluid sample to be tested. The invention solves the problem that the directional solidification device cannot solidify the low-temperature phase change material, and provides a method for the research on the solidification process of the nanofluid.

Description

technical field [0001] The invention relates to an experimental device, in particular to an experimental device and method for directional solidification of nanofluids. Background technique [0002] With the rapid development of my country's economy and modernization, the scale of cities continues to expand, and the structure of electricity consumption changes rapidly. The contradiction between supply and demand has become increasingly prominent. Ice storage is one of the effective methods to solve the contradiction between power demand and power supply on the user side. Traditional ice storage faces the technical bottleneck of low thermal conductivity of ice, large thermal resistance during ice storage, and low energy storage efficiency. [0003] Nowadays, water-based nanofluids are expected to become excellent cold storage media due to their higher thermal conductivity and lower supercooling than water. However, nanofluids used as energy storage materials must withstand c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N25/02
Inventor 陈颖雷世骏贾莉斯莫松平
Owner GUANGDONG UNIV OF TECH
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