Enhancement in solar water heater performance using twisted tape inserts

Journal of the Institution of Engineers (India): Mechanical Engineering Division

Volumn 90, Issue APRIL, 2009, Pages 6-9

  Kumar, A ^a   Prasad, B N ^b  

^a M H Saboo Siddik College of Engineering   (India)

^b National Institute of Technology   (India)

Author keywords

Collector heat removal factor; Swirl Reynolds number; Thermal enhancement factor; Twist pitch ratio; Twisted tape

Indexed keywords

HEAT REMOVAL; REYNOLDS; THERMAL ENHANCEMENT; TWIST PITCH; TWISTED TAPES;

ENERGY UTILIZATION; REYNOLDS NUMBER; SUN;

SOLAR WATER HEATERS;

EID: 84859570469     PISSN: 00203408     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (8)

1. K Watanable, T Taira and Y Mori. 'Heat Transfer Augmentation in Turbulent Flow by Twisted Tapes at High Temperature and Optimum Performance.' Heat Transfer Japanoso Research, vol 12, no 3, p 1.
2. R M Manglik. 'Heat Transfer Enhancement in Tube Flow Heat Exchanger by means of Twisted Tape.' PhD Thesis, Department of Mechanical Engineering, Aeronautical Engineering and Mechanics, Rensselaer Polytechnic Institute, Troy, New York, 1991.
3. R M Manglik and Bergles. 'Heat Transfer and Pressure Drop Correlation for Twisted Tape Insert in Isothermal Tube: Part II Transition and Turbulent Flow.' ASME Journal of Heat Transfer, vol 115, 1993, P 890.
4. A Kumar and B N Prasad. 'Improved Solar Water Heater.' National Conference on Application of Solar Energy - Recent Developments, Thiruvanthpuram, Kerla, November 20-21.
5. A Kumar and B N Prasad. 'Investigation of Twisted Tape Inserted Solar Water Heater-Heat Transfer, Friction Factor and Thermal Performance Results.' International Journal of Renewable Energy, vol 19, P 379.
6. E Smithberg, F Landies. 1964. 'Friction and Forced Convection Heat Transfer Characteristics in Tubes with Twisted Tapes Swirl Generator.' Journal of Heat transfer, Transaction of ASME 86:39-49 Series.
7. J E Hill and E R Streed. 'A Method of Testing for Rating Solar Collector based on Thermal Performance.' Solar Energy, vol 18, p 42.
8. J A Duffie and W A Beckman. 1991. Solar Energy of Thermal Processes, Second edition'. Wiley Interscienco, New York.