HEAT TRANSFER ENHANCEMENT BY MEANS OF FLAG-TYPE INSERT IN TUBES.
Author(s) : FERNANDEZ J. L., POULTER R.
Type of article: Article
Summary
A FLEXIBLE < START-UP > INSERT IN THE FORM OF A RIGID FLAG HINGED ON A DIAMETRAL ROD WAS FOUND TO ENHANCE HEAT TRANSFER IN TURBULENT FLOW IN A TUBE. THE INSERT WAS CAPABLE OF SIDEWAYS OSCILLATION AND PRODUCED A HEAT TRANSFER PERFORMANCE SUPERIOR TO A TWISTEDTAPE AND COILED WIRE START-UP INSERTS. HEAT TRANSFER OVER A TUBE LENGTH EQUIVALENT TO 5-15 DIAMETERS DOWN-STREAM OF THE FLAG, WAS ENHANCED UP TO 3 TIMES RELATIVE TO THAT FOR THE EMPTY TUBE.
Details
- Original title: HEAT TRANSFER ENHANCEMENT BY MEANS OF FLAG-TYPE INSERT IN TUBES.
- Record ID : 1988-1777
- Languages: English
- Source: International Journal of Heat and Mass Transfer - vol. 30 - n. 12
- Publication date: 1987
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Indexing
- Themes: Heat transfer
- Keywords: Enhancement; Turbulator; Heat transfer; Heat exchanger
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- Date : 1987
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- Source: Trans. JSME - n. 479
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- Date : 1987
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- Source: Trans. JSME - n. 479
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- Date : 1991/12
- Languages : English
- Source: ASHRAE Journal - vol. 33 - n. 12
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Experimental investigations of heat transfer en...
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- Source: International Journal of Heat and Mass Transfer - vol. 36 - n. 9
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