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Developments in Rankine Cycle for Efficient Steam Generation

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Presentation on theme: "Developments in Rankine Cycle for Efficient Steam Generation"— Presentation transcript:

1 Developments in Rankine Cycle for Efficient Steam Generation
P M V Subbarao Professor Mechanical Engineering Department Temperature is to be Created…….!!!... Not Obvious….???

2 The Rankine Cycle smin smax

3 Ideal Rankine Cycle : P-h Diagram
Tmax=5500C pmax=17Mpa h=42.05% Tin,mean=284.40C 1 2 3 4 1 2 3 4 pmax=5Mpa h=37.8% Tin,mean=246.30C

4 Parametric Study of Rankine Cycle
23.5MPa 22MPa 18MPa 10MPa 6MPa 3MPa h 1MPa Tmax

5 Parametric Study of Rankine Cycle
h P max

6 More Life For A Given Enthalpy
T0C P,MPa

7 Supercritical Steam Cycle
3sub 4sub T 2 1 s

8 More Returns

9 Supercritical Steam Cycle
3sub 4sub T 2 1 s

10 Ill Effects of High Pressure Cycles
x Pressure, MPa

11 Progress in Rankine Cycle
Year 1907 1919 1938 1950 1958 1959 1966 1973 1975 MW 5 20 30 60 120 200 500 660 1300 p,MPa 1.3 1.4 4.1 6.2 10.3 16.2 15.9 24.1 Th oC 260 316 454 482 538 566 565 Tr oC -- FHW 2 3 4 6 7 8 Pc,kPa 13.5 5.1 4.5 3.4 3.7 4.4 5.4 h,% ~17 27.6 30.5 35.6 37.5 39.8 39.5 40

12


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