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Homogenisation device, heat exchanger assembly and method of homogenising a temperature distribution in a fluid stream

A technology for homogenizing equipment and heat exchangers, which is applied in the field of heat exchanger components and the temperature distribution in the homogenizing fluid flow, can solve problems such as hindering and affecting the accuracy of induction temperature measurement, and achieves low pressure loss and improved accuracy. Effects of Sexuality and Reliability

Inactive Publication Date: 2014-02-12
AIRBUS OPERATIONS GMBH
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  • Application Information

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Problems solved by technology

[0002] Fluid flow leaving a heat exchanger typically exhibits a side-to-side temperature gradient across the outlet face of the heat exchanger, which can affect the accuracy of sensed temperature measurements downstream of the heat exchanger
Also, temperature gradients from one side of the outlet face of the heat exchanger to the other may prevent the splitting of the main fluid stream exiting the heat exchanger into two or more partial fluid streams having substantially the same temperature

Method used

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  • Homogenisation device, heat exchanger assembly and method of homogenising a temperature distribution in a fluid stream
  • Homogenisation device, heat exchanger assembly and method of homogenising a temperature distribution in a fluid stream
  • Homogenisation device, heat exchanger assembly and method of homogenising a temperature distribution in a fluid stream

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Embodiment Construction

[0036] figure 1 Shown is the temperature distribution in a fluid stream leaving a heat exchanger installed on an aircraft. Depend on figure 1 It becomes apparent that the fluid flow exhibits a side-to-side temperature gradient at the outlet face of the heat exchanger, wherein when the fluid flow leaves a header of the heat exchanger having a first flow cross-section and enters a This temperature gradient is substantially maintained for tubes extending downstream and having a second flow cross-section smaller than the first flow cross-section of the heat exchanger header. In the fluid flow, the cold flow is mainly present in the lower part of the heat exchanger headers and in the lower part of the tubes extending downstream of the heat exchanger. In contrast to this, the warm current is mainly present in the heat exchanger headers and in the upper part of the tubes extending downstream of the heat exchanger. The central region of the fluid flow shows intermediate temperature...

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Abstract

A homogenisation device (10) which is in particular suitable to homogenise a temperature distribution in a fluid stream exiting a heat exchanger comprises a body (12) with a fluid flow passage (14) extending therethrough. The homogenisation device (10) further comprises a flow control device (20) which is disposed in the fluid flow passage (14) and which is configured to induce a swirl (S) in an outer layer (32) of a fluid stream flowing through the fluid flow passage (14), while the flow characteristics of a core layer (34) of the fluid stream remain substantially unaffected by the flow control device (20).

Description

technical field [0001] The invention relates to a homogenization device, a heat exchanger assembly comprising a homogenization device and a method of homogenizing a temperature distribution in a fluid flow. Background technique [0002] Fluid flow leaving a heat exchanger typically exhibits a side-to-side temperature gradient across the outlet face of the heat exchanger, which may affect the accuracy of sensed temperature measurements downstream of the heat exchanger. Furthermore, temperature gradients from one side of the outlet face of the heat exchanger to the other may prevent the splitting of the main fluid stream exiting the heat exchanger into two or more partial fluid streams having substantially the same temperature. Contents of the invention [0003] It is an object of the present invention to provide a homogenization device which allows rapid and reliable homogenization of the temperature distribution of the fluid flow leaving the heat exchanger from one side to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F28F13/02F28F13/12F28F27/00
CPCF28F13/12F28F9/0265F28F1/40F28F9/0263
Inventor 安德里亚·威克斯
Owner AIRBUS OPERATIONS GMBH
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