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            <front>

                <journal-meta>
                                    <journal-id></journal-id>
            <journal-title-group>
                                                                                    <journal-title>Isı Bilimi ve Tekniği Dergisi</journal-title>
            </journal-title-group>
                            <issn pub-type="ppub">1300-3615</issn>
                                        <issn pub-type="epub">2667-7725</issn>
                                                                                            <publisher>
                    <publisher-name>Türk Isı Bilimi ve Tekniği Derneği</publisher-name>
                </publisher>
                    </journal-meta>
                <article-meta>
                                        <article-id/>
                                                                                                                                                                                            <title-group>
                                                                                                                        <article-title>Çarpan Dairesel Bir Jette Çarpma Bölgesi Türbülans Şiddetinin Isı Transferine Etkisi</article-title>
                                                                                                                                                                                                <trans-title-group xml:lang="en">
                                    <trans-title>Effects of Stagnation Region Turbulence of an Impinging Jet on Heat Transfer</trans-title>
                                </trans-title-group>
                                                                                                    </title-group>
            
                                                    <contrib-group content-type="authors">
                                                                        <contrib contrib-type="author">
                                                                <name>
                                    <surname>Çelik</surname>
                                    <given-names>Nevin</given-names>
                                </name>
                                                            </contrib>
                                                    <contrib contrib-type="author">
                                                                <name>
                                    <surname>Eren</surname>
                                    <given-names>Haydar</given-names>
                                </name>
                                                            </contrib>
                                                                                </contrib-group>
                        
                                        <pub-date pub-type="pub" iso-8601-date="20100301">
                    <day>03</day>
                    <month>01</month>
                    <year>2010</year>
                </pub-date>
                                        <volume>30</volume>
                                        <issue>1</issue>
                                        <fpage>91</fpage>
                                        <lpage>98</lpage>
                        
                        <history>
                                    <date date-type="received" iso-8601-date="20100301">
                        <day>03</day>
                        <month>01</month>
                        <year>2010</year>
                    </date>
                                            </history>
                                        <permissions>
                    <copyright-statement>Copyright © 1977, Journal of Thermal Science and Technology</copyright-statement>
                    <copyright-year>1977</copyright-year>
                    <copyright-holder>Journal of Thermal Science and Technology</copyright-holder>
                </permissions>
            
                                                                                                <abstract><p>Bu çalışmada çarpan bir jetin ısı transferi etkisi ve akış dinamiği deneysel olarak incelenmiştir. Literatürde gerçekleştirilen birçok çalışmanın aksine, lüle olarak büyük çaplı bir boru kullanılarak jet çapını büyük tutmanın ısı transferi üzerindeki etkisi araştırılmıştır. Jet, 23.1 mm iç çapında, 25 mm dış çapında, düz, dikişsiz, pürüzsüz alüminyum bir borudan çıkmaktadır. Dik konumda duran, arkasından film yoğuşması ile ısıtılan düz bir plakanın jetle soğutulması Nusselt sayısı cinsinden hesaplanmıştır. Soğumada etkili olan iki faktör; lüle-levha arası mesafe  ve Reynolds sayısı  değişken parametre olarak seçilmiştir. Ayrıca, jetin levhaya çarpması esnasında, levhaya yakın bölgede oluşan türbülans şiddeti yüksek hassasiyetli hiz dönüştürücü ile ölçülerek, Nu sayısı üzerindeki etkisi araştırılmıştır</p></abstract>
                                                                                                                                    <trans-abstract xml:lang="en">
                            <p>In the present study, heat transfer and flow dynamics effects of an impinging jet are experimentally investigated. Contrary to many performed work in literature, a pipe having a large diameter is used as a nozzle, to show the large diameters’ effect on heat transfer. The jet used in this study is a smooth aluminum pipe of 23.1 mm inner pipe and 25 mm outer pipe diameter. Jet impingement cooling of the flat plate, which is vertically placed and heated on its rear side by film condensation, is investigated by the terms of Nusselt number. Two effective factors on cooling; such as nozzle-plate distance  and Reynolds number , are chosen as variable parameters. Additionally, the turbulent intensity on the near field region of the impingement plate, which occurred when the jet is subjected to the plate, is measured by using a high sensitive air velocity transducer</p></trans-abstract>
                                                            
            
                                                            <kwd-group>
                                                    <kwd>Çarpan jetler</kwd>
                                                    <kwd>   Isı transferi</kwd>
                                                    <kwd>   Türbülans şiddeti</kwd>
                                            </kwd-group>
                                                        
                                                                            <kwd-group xml:lang="en">
                                                    <kwd>Impinging jets</kwd>
                                                    <kwd>   Heat Transfer</kwd>
                                                    <kwd>   Turbulent intensity</kwd>
                                            </kwd-group>
                                                                                                            </article-meta>
    </front>
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                            </back>
    </article>
