1. SSSF Analysis of Important Engineering CVs
P M V Subbarao
Professor
Mechanical Engineering Department
Direct & Indirect Engineering Systems for Manufacturing Industry …..

2. Salient Features of CV @SSSF Process
Rate of mass inflow = Rate mass outflow.
Work done per unit mass is invariant.
Heat transfer per unit mass is invariant.
Change of state or process is not for the CV!
The incoming fluid changes its state from inlet to exit conditions.
A CM possesses different states at different time intervals.
A CV possesses All states at any time but at different spatial locations.
A CV with SSSF process is an inhomogeneous device.
A CV can work continuously without changing its state.
A CV lowers the importance of time !

3. Energy & Material Flow Diagram for A General Manufacturing System

4. Real Engineering Control Volume : SSSF
SSSF: Conservation of mass
First Law :

5. Creation of Artificial Velocity

6. The Greatest CV

7. Land Based Missiles

8. Sea Based Missiles

9. Air Launched Missiles

11. Nozzles and Diffusers First Laws for CV in SSSF Mode:
No heat transfer : Adiabatic devices and No work transfer : rigid device.

12. Internal to external Kinetic Energy Conversion

13. Combined analysis of conservation of mass and first law
A SSSF of gas through variable area duct can interchange the enthalpy and kinetic energy as per above equation.
Consider gas as an ideal and calorically perfect.

14. Options for Power Plants
Shaft Power Generation Systems

15. The first Step in Innovation of A Power Plant
p=constant
Rankine Cycle
Brayton Cycle
Process 1 2 Isentropic compression
Process 2  3 Constant pressure heat addition
Process 3  4 Isentropic expansion
Process 4  1 Constant Pressure heat rejection

16. Schematic of Rankine & Brayton cycles