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Effect of size and material of a semi-cylindrical condensing cover on heat and mass transfer for distillation [An article from: Desalination]
Book Details
Author(s)R. Tripathi, G.N. Tiwari
PublisherElsevier
ISBN / ASINB000RQZ02A
ISBN-13978B000RQZ026
AvailabilityAvailable for download now
Sales Rank99,999,999
MarketplaceUnited States 🇺🇸
Description
This digital document is a journal article from Desalination, published by Elsevier in 2004. The article is delivered in HTML format and is available in your Amazon.com Media Library immediately after purchase. You can view it with any web browser.
Description:
The rate of distillate depends mainly on operating temperature, shape and material ofthe condensing cover. Further, it is important to study the behaviour of heat and mass transfer relations as a function of operating temperature, shape and material. For the present study two sizes of semi-cylindrical condensing covers with characteristic dimensions of 0.14 cm and 0.07 cm were used. The materials most common for condensing covers for distillation used were aluminium and copper. The studies were carried out under controlled environmental conditions. The operating temperature kept during the experiments was between 40^oC to 80^oC for both forced as well as natural mode. It was observed that the convective and evaporative heat transfer coefficient depends strongly on operating temperatures. The following results at operating temperatures of 40^oC to 80^oC were obtained: (1) there is an increase of about 15% in the evaporative heat transfer coefficient due to the size of the condensing cover; and (2) there is an increase of about 7.5% in the evaporative heat transfer coefficient due to a change in material.
Description:
The rate of distillate depends mainly on operating temperature, shape and material ofthe condensing cover. Further, it is important to study the behaviour of heat and mass transfer relations as a function of operating temperature, shape and material. For the present study two sizes of semi-cylindrical condensing covers with characteristic dimensions of 0.14 cm and 0.07 cm were used. The materials most common for condensing covers for distillation used were aluminium and copper. The studies were carried out under controlled environmental conditions. The operating temperature kept during the experiments was between 40^oC to 80^oC for both forced as well as natural mode. It was observed that the convective and evaporative heat transfer coefficient depends strongly on operating temperatures. The following results at operating temperatures of 40^oC to 80^oC were obtained: (1) there is an increase of about 15% in the evaporative heat transfer coefficient due to the size of the condensing cover; and (2) there is an increase of about 7.5% in the evaporative heat transfer coefficient due to a change in material.
