Thermoelectric Energy Conversion by Rankine Bottoming Cycle Technique: An Approach towards Waste Heat Recovery from IC Engine.

Now a days, the worldwide problem regarding rapid economy development and also shortage of energy, the exhausted waste heat from internal combustion engine and environmental pollution has been more emphasized heavily. In an IC engine, approximately, 30 to 40% of the total heat supplied to the engine in the form of fuel is converted into useful mechanical work; out the remaining heat is rejected to the atmosphere through exhaust gases and engine cooling systems, so it is required to utilized waste heat into useful work. The utilization of this waste heat not only conserves fuel but also reduces the amount of waste heat and greenhouse gases harmed to surrounding atmosphere. The study shows the availability of waste heat from internal combustion engine. Possible methods to recover this waste heat from internal combustion engine discussed, in current study, is through the Rankine bottoming cycle operating by low grade waste heat exhausted from diesel powered internal combustion engine.