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نویسندگان مقالات پربازدید :
مجله بین المللی علوم حرارتی
جزئیات رویداد
اینستاگرام تی پی بین
همایش ، رویداد ، ژورنال
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  • experimental and numerical investigation of confined oblique impingement configurations for high heat flux applications

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    • تاریخ ارائه: 1390/01/01
    • تاریخ انتشار در تی پی بین: 1390/01/01
    • تعداد بازدید: 689
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     breakthroughs in recent cutting-edge electronic technologies have become increasingly dependent on the ability to safely dissipate large amount of heat from small areas. improvements in cooling methodologies are therefore required to avoid unacceptable temperature rise and at the same time maintain a high efficiency. jet impingement is one such cooling scheme which has been widely used to dissipate transient and steady concentrated heat loads. the configuration examined in the present paper aims at wall-integrated inclined impinging jets in a confined environment. coolant outlet is perpendicular to the plane of the impinging jets and is along the cross-flow direction. the main objective of the present work is to gain insight both experimentally and numerically into designing and analysis of a jet impinging cooling scheme for high heat density applications systems such as micro- and meso-scale electronic systems and trailing edge of a turbine blade. an overall enhancement of 150%–200% in the maximum heat transfer coefficient has been recorded both experimentally and computationally due to impingement and associated swirl. results are presented to show the effect of the wall induced swirl and the associated enhanced heat transfer mechanism. the presence of fins between the jets further increases the cooling area and adds additional conduction area. the present scheme is therefore expected to provide alternatives for overcoming the existing heat distribution and cooling problems in high heat flux dissipating devices.

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