Characteristics of low reynolds number steady air jet impingement heat transfer over vertical flat surfaces

Name: Characteristics of low reynolds number steady air jet impingement heat transfer over vertical flat surfaces
Author: He, X., Lustbader, J. A., Arık, Mehmet, Sharma, R.

İsim	Characteristics of low reynolds number steady air jet impingement heat transfer over vertical flat surfaces
Yazar	He, X., Lustbader, J. A., Arık, Mehmet, Sharma, R.
Basım Tarihi:	2012
Basım Yeri	- IEEE
Konu	Steady jets, Heat transfer, Impingement cooling
Tür	Belge
Dil	İngilizce
Dijital	Evet
Yazma	Hayır
Kütüphane:	Özyeğin Üniversitesi
Demirbaş Numarası	978-1-4244-9531-3
Kayıt Numarası	b0001f2a-b0b2-4b37-9054-f3591da6fa0b
Lokasyon	Mechanical Engineering
Tarih	2012
Notlar	Due to copyright restrictions, the access to the full text of this article is only available via subscription.
Örnek Metin	In this paper, heat transfer characteristics of single-slot steady-impinging air jets on a 25.4 mm × 25.4 mm vertical surface were experimentally investigated. The experiments were conducted with four different nozzles (length × width: 4 mm × 1 mm, 8 mm × 1 mm, 12 mm × 1 mm, and 15 mm × 1 mm). The parameters varied in the testing were Reynolds number (Re) (100 - 2,000) and dimensionless nozzle-to-plate spacing (H/Dh = 5, 10, 15, and 20). Correlations for average Nusselt numbers (Nu) were developed that accurately predict experimental data. The heat transfer coefficient over a vertical surface increases with increasing Re. For a small nozzle-to-plate spacing (H/Dh = 5), the average Nu correlation is not only a function of Re but also a function of nozzle length. For large nozzle-to-plate spacing (H/Dh ≥ 10) and nozzle length larger than 8 mm, the heat transfer coefficient is insensitive to H/Dh and nozzle length. A subset of this data was then compared to synthetic jet data in a separate study.
DOI	10.1109/ITHERM.2012.6231579

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Characteristics of low reynolds number steady air jet impingement heat transfer over vertical flat surfaces

Yazar He, X., Lustbader, J. A., Arık, Mehmet, Sharma, R.

Basım Tarihi 2012

Basım Yeri - IEEE

Konu Steady jets, Heat transfer, Impingement cooling

Tür Belge

Dil İngilizce

Dijital Evet

Yazma Hayır

Kütüphane Özyeğin Üniversitesi

Demirbaş Numarası 978-1-4244-9531-3

Kayıt Numarası b0001f2a-b0b2-4b37-9054-f3591da6fa0b

Lokasyon Mechanical Engineering

Tarih 2012

Notlar Due to copyright restrictions, the access to the full text of this article is only available via subscription.

Örnek Metin In this paper, heat transfer characteristics of single-slot steady-impinging air jets on a 25.4 mm × 25.4 mm vertical surface were experimentally investigated. The experiments were conducted with four different nozzles (length × width: 4 mm × 1 mm, 8 mm × 1 mm, 12 mm × 1 mm, and 15 mm × 1 mm). The parameters varied in the testing were Reynolds number (Re) (100 - 2,000) and dimensionless nozzle-to-plate spacing (H/Dh = 5, 10, 15, and 20). Correlations for average Nusselt numbers (Nu) were developed that accurately predict experimental data. The heat transfer coefficient over a vertical surface increases with increasing Re. For a small nozzle-to-plate spacing (H/Dh = 5), the average Nu correlation is not only a function of Re but also a function of nozzle length. For large nozzle-to-plate spacing (H/Dh ≥ 10) and nozzle length larger than 8 mm, the heat transfer coefficient is insensitive to H/Dh and nozzle length. A subset of this data was then compared to synthetic jet data in a separate study.

DOI 10.1109/ITHERM.2012.6231579