{"product_id":"improvement-of-efficiency-of-a-heat-exchanger-by-twisted-tubes-von-valiyollah-ghazanfari","title":"Improvement of efficiency of a heat exchanger by twisted tubes","description":"\u003cp\u003eThis book investigated the effect of twisted tubes on the thermal performance of the shell and tube heat exchanger. The computational fluid dynamics (CFD) with different turbulence models (realizable k-¿ and standard k-¿) was employed to analyze. The results were compared with the published study to verify the present solution. In this book, mass flow rates ranging from 0.5 kg\/s to 2 kg\/s were considered to investigate thermal performance. The results demonstrated changing the pitch from 180 mm to 135, 90, 67.5, and 45 mm increases the heat transfer coefficient to 7%, 13%, 25%, and 37%, respectively. Comparing the smooth tube with other cases shows that using the twisted tube (P=45 mm) increases the pressure drop by 25% and enhances the heat transfer coefficient by 57%.\u003c\/p\u003e\u003cdiv class=\"aw-variant-hidden-subtitle-div\" id=\"aw-variant-subtitle-9786206142003\"\u003e\u003ch3\u003eInvestigating the effect of the pitch length of the twisted tube on the efficiency of the heat exchanger\u003c\/h3\u003e\u003c\/div\u003e","brand":"Autorenwelt Shop","offers":[{"title":"Softcover - 9786206142003","offer_id":40937976823901,"sku":"9786206142003","price":43.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0622\/files\/91e85006-3f7e-4cab-ba16-3128c36ed7c4.jpg?v=1758955622","url":"https:\/\/shop.autorenwelt.de\/products\/improvement-of-efficiency-of-a-heat-exchanger-by-twisted-tubes-von-valiyollah-ghazanfari","provider":"Autorenwelt Shop","version":"1.0","type":"link"}