heat pipes full report
#5
heat pipes
PRESENTED BY,
BINU K J
Roll no:13(S7 Mech)


[attachment=8184]

INTRODUCTION

Heat Pipes Basics
RELATIVE AMPLITUDES


OPERATING PRINCIPLE


Heat transfer mechanism in a heat pipe
Driving forces in the wick structure
COMPONENTS OF A HEAT PIPE
Working fluid


Wick structure
Various wick structures
SHAPES AND DESIGNS
Simple Bend
MINI FLAT
HPHE FOR WASTE HEAT RECOVERY
Schematic arrangement for waste heat recovery and utilization system

CONCEPTUAL SCHEME
Advantages
Very high thermal conductivity of heat pipes results in efficient heat transfer.
Apart from the kinetic energy, heat contained in the exhaust gases is also made use of, resulting in high fuel efficiency.
Very efficient in arid climatic conditions where there is a great difference between the day and night temperatures.
Precludes the engine from climatic variations
Disadvantages
High cost ( as high as $ 1950 - $ 3500 )
The technology is still under research.
Heat rejection to the atmosphere may not be practically obtained in all situations
Conclusion
The overall conclusion is that a heat pipe air cooling system could be installed that would increase the density of the air entering the compressor. In warmer climates, this system would preclude the engine from operating under high ambient conditions, since the ambient air temperature would be maintained constant throughout the warmer seasons. If a heat pipe system is to be installed, at present the best technology is with a heat recovery absorption unit. Of course, if extra cooling capacity is available via evaporative cooling systems in dry climates, this extra capacity could be used to cool the heat pipes, significantly lowering the equipment cost.

THANK YOU

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Messages In This Thread
heat pipes full report - by project report tiger - 16-02-2010, 09:01 PM
RE: heat pipes full report - by project topics - 18-04-2010, 09:02 PM
RE: heat pipes full report - by summer project pal - 12-01-2011, 08:59 PM
RE: heat pipes full report - by seminar class - 29-03-2011, 09:29 AM
RE: heat pipes full report - by seminar class - 09-04-2011, 04:51 PM
RE: heat pipes full report - by Racerxdb - 23-09-2011, 06:01 AM
RE: heat pipes full report - by Guest - 31-03-2013, 03:56 PM

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