ME8595 THERMAL ENGINEERING – II L T P C
3 0 0 3
OBJECTIVES:
To apply the thermodynamic concepts for Nozzles, Boilers, Turbines, and Ref. & Air conditioning systems.
To understand the concept of utilizing residual heat in thermal systems.
UNIT I STEAM NOZZLE
Types and Shapes of nozzles, Flow of steam through nozzles, Critical pressure ratio, Variation of mass flow rate with pressure ratio. Effect of friction. Metastable flow.
UNIT II BOILERS
Types and comparison. Mountings and Accessories. Fuels - Solid, Liquid and Gas. Performance calculations, Boiler trial.
UNIT III STEAM TURBINES
Types, Impulse and reaction principles, Velocity diagrams, Work done and efficiency – optimal operating conditions. Multi-staging, compounding and governing.
UNIT IV COGENERATION AND RESIDUAL HEAT RECOVERY
Cogeneration Principles, Cycle Analysis, Applications, Source and utilization of residual heat. Heat pipes, Heat pumps, Recuperative and Regenerative heat exchangers. Economic Aspects.
UNIT V REFRIGERATION AND AIR – CONDITIONING
Vapour compression refrigeration cycle, Effect of Superheat and Sub-cooling, Performance calculations, Working principle of air cycle, vapour absorption system, and Thermoelectric refrigeration. Air conditioning systems, concept of RSHF, GSHF and ESHF, Cooling load calculations. Cooling towers – concept and types.
TEXT BOOKS:
1.Kothandaraman, C.P., Domkundwar .S and Domkundwar A.V.,”A course in Thermal Engineering”, Dhanpat Rai & Sons, 2016.
2.Mahesh. M. Rathore, “Thermal Engineering”, 1st Edition, Tata Mc Graw Hill Publications, 2010.
REFERENCES:
1.Arora .C.P., “Refrigeration and Air Conditioning”, Tata Mc Graw Hill, 2008
2.Ballaney. P.L ." Thermal Engineering”, Khanna publishers, 24th Edition 2012
3.Charles H Butler : Cogeneration” McGraw Hill, 1984.
4.Donald Q. Kern, “ Process Heat Transfer”, Tata Mc Graw Hill, 2001.
5.Sydney Reiter “Industrial and Commercial Heat Recovery Systems” Van Nostrand Reinhols, 1985.
Class Material: