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Supercritical-kerosene observation device

An observation device and supercritical technology, which is applied in fuel oil testing, material inspection products, etc., can solve problems such as easy bursting of observation window glass, and achieve the effects of maintaining structural integrity, fast response frequency, and low cost

Active Publication Date: 2012-06-13
NAT UNIV OF DEFENSE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to provide a supercritical kerosene observation device to solve the technical problem that the observation window glass of the existing observation device is easy to burst

Method used

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  • Supercritical-kerosene observation device
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Embodiment Construction

[0023] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be implemented in many different ways defined and covered by the claims.

[0024] see figure 1 and figure 2 , a supercritical kerosene observation device for observing the physical and chemical properties of kerosene in a supercritical state. The observation device includes an outer cavity 1 and an inner cavity 2 . The inner cavity 2 is arranged in the outer cavity 1 , and a space is formed between the outer peripheral wall of the inner cavity 2 and the inner peripheral wall of the outer cavity 1 . The inner cavity 2 is used to accommodate supercritical kerosene vapor, and the space between the outer cavity 1 and the inner cavity 2 is used to accommodate pressure regulating gas, which is a gas that does not react with kerosene. Preferably, the pressure regulating gas is nitrogen. Preferably, the structure and shape of...

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Abstract

The invention provides a supercritical-kerosene observation device. The supercritical-kerosene observation device comprises an outer chamber (1) and an inner chamber (2). The inner chamber (2) is arranged in the outer chamber (1). A gap is arranged between an outer wall of the inner chamber (2) and an inner wall of the outer chamber (1). The outer chamber (1) comprises outer window glass (11), an outer chamber inlet (12) and an outer chamber outlet (13). The inner chamber (2) comprises inner window glass (21), an inner chamber inlet (22) and an inner chamber outlet (23). The inner window glass (21) is rightly opposite to the outer window glass (11). The inner chamber inlet (22) and the inner chamber outlet (23) pass through side walls of the outer chamber (1) by pipes and stretch out from the outer chamber (1). The supercritical-kerosene observation device effectively solves the problem that observation window glass difficultly resists a high temperature and high pressure simultaneously thereby solving the problems that supercritical kerosene is observed by a window difficultly and observation window glass is broken easily.

Description

technical field [0001] The invention relates to the observation field of kerosene, in particular to a supercritical kerosene observation device. Background technique [0002] The supercritical state of kerosene refers to the state where the pressure is greater than 2.2Mpa and the temperature is greater than 630K. Depending on the type of kerosene and the place of production, the critical pressure and temperature will vary, but they are all high temperature and high pressure. The research on supercritical kerosene plays an important role in the regenerative cooling of aerospace engines and the control of kerosene coking. However, there is currently a lack of deep understanding of supercritical kerosene, or even an intuitive understanding. The main difficulty is that the glass used in the observation device cannot withstand the high temperature and high pressure environment of kerosene in a supercritical state, and the glass is prone to bursting. Contents of the invention ...

Claims

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Application Information

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IPC IPC(8): G01N33/28G01N33/22
Inventor 周进王宁潘余刘卫东梁剑寒
Owner NAT UNIV OF DEFENSE TECH
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