Experimental investigation for enhancement heat transfer in a channel with angle-ribbed tape at various attack angle
المؤلفون المشاركون
al-Baldawi, Rafi A. H.
Shayya, Asil K.
Abd al-Amir, Suha
المصدر
Journal of Engineering and Sustainable Development
العدد
المجلد 21، العدد 2 (31 مارس/آذار 2017)، ص ص. 163-180، 18ص.
الناشر
الجامعة المستنصرية كلية الهندسة
تاريخ النشر
2017-03-31
دولة النشر
العراق
عدد الصفحات
18
التخصصات الرئيسية
العلوم الهندسية والتكنولوجية (متداخلة التخصصات)
الملخص EN
This paper presents the results of an experimental investigation for heat transfer and pressure drop characteristics in a square duct inserted with angle-ribbed straight diagonal tape.
The straight tape used in the current study inserted in diagonal side of 44 mm hydraulic diameter square test section duct has uniform heat-fluxed walls.
Different angled ribs were repeatedly placed at similar locations on both opposite sides of the inserted tape.
The investigation covers a range of Reynolds numbers from (3400 to 20,800) according to hydraulic diameter and air is employed as working fluid.
For studying the heat transfer dependency on ribs inclination angle, six different inclination angles (α) of , , , , , are examined at constant value for both rib blockage ratio (BR) and pitch spacing ratio (PR) of 0.2 and 1 respectively.
The angle-ribbed diagonal tape generate a pair of longitudinal vortex flow through the heated duct and it is apparent that these vortices helps to induce impingement flows on the duct walls leading to drastic increase in heat transfer rate over the duct.
The experimental results showed that the insertion of ribbed diagonal tape leads to a significant increase in Nu and over smooth duct with no tape.
Ribs at provides higher heat transfer and friction losses as compared with other angles about (77.78, 98.42) % respectively more than smooth duct while ribs at provides higher thermal enhancement factor (TEF) by about 1.297 at lower Re
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
al-Baldawi, Rafi A. H.& Shayya, Asil K.& Abd al-Amir, Suha. 2017. Experimental investigation for enhancement heat transfer in a channel with angle-ribbed tape at various attack angle. Journal of Engineering and Sustainable Development،Vol. 21, no. 2, pp.163-180.
https://search.emarefa.net/detail/BIM-848629
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
al-Baldawi, Rafi A. H.…[et al.]. Experimental investigation for enhancement heat transfer in a channel with angle-ribbed tape at various attack angle. Journal of Engineering and Sustainable Development Vol. 21, no. 2 (Mar. 2017), pp.163-180.
https://search.emarefa.net/detail/BIM-848629
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
al-Baldawi, Rafi A. H.& Shayya, Asil K.& Abd al-Amir, Suha. Experimental investigation for enhancement heat transfer in a channel with angle-ribbed tape at various attack angle. Journal of Engineering and Sustainable Development. 2017. Vol. 21, no. 2, pp.163-180.
https://search.emarefa.net/detail/BIM-848629
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
رقم السجل
BIM-848629
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
أضخم قاعدة بيانات عربية للاستشهادات المرجعية للمجلات العلمية المحكمة الصادرة في العالم العربي
تقوم هذه الخدمة بالتحقق من التشابه أو الانتحال في الأبحاث والمقالات العلمية والأطروحات الجامعية والكتب والأبحاث باللغة العربية، وتحديد درجة التشابه أو أصالة الأعمال البحثية وحماية ملكيتها الفكرية. تعرف اكثر