quick thesis help needed. Kindly guide me regarding my MS MECHANICAL thermo fluid Thesis topic selection. I have 5 topics and I have to submit it before next monday Topics are: 1) CFD study of Micro jet nozzle in satelliete 2) CFD analysis to reduce noise of jet using chevron 3) :Experimental study for use of Jatropha Oil in a Diesel Engine 4) Study the flow pattern behind the aerodynamic bodies of various shapes 5) Numerical investigations of flow and heat transfer from different cylinder shapes Kindly mention which one has recent market? Which one is comparatively easier? THANKS

All have practical applications (market). Which is "easier" depends on your skill set and what you're interested in.