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Publication Title | CHAPTER 4 THERMODYNAMIC ANALYSIS OF SUPERCRITICAL RANKINE CYCLE

Organic Rankine Cycle

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54

CHAPTER 4

THERMODYNAMIC ANALYSIS OF SUPERCRITICAL RANKINE CYCLE

The computer program which was developed by the present investigation as presented in Chapter 3 has been used to find different steam properties at different operating conditions of pressure and temperature and thermodynamic analysis of the cycle has been presented in this chapter. In section 1.2, the basic cycle of operation of steam power plant based on the Rankine cycle has been presented. To carryout thermodynamic analysis of this cycle the assumptions and range of variable parameters are given below.

4.1 ASSUMPTIONS MADE IN THE ANALYSIS

i. Capacity of the power plant = 1000 MW

ii. The isentropic efficiency of the steam turbine is 90%.

iii. The pump efficiency is assumed to be 85%.

iv. Cooling water temperature inlet to the condenser Twi=250C

v. Terminal Temperature Difference (TTD) = 50C

vi. Heat and pressure losses in the transport pipe in between the

different units of the cycle are negligible.

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