The x component of velocity in an incompressible flow field isgivenbyu=Ax, whereA=2s−1 in meters. The pressure at point ðx, yÞ=ð0,0Þ is p0 =190kPa gage. The density is rho=1 :50kg=m3 and the z axis is vertical. Evaluate the simplestpossibley component of velocity. Calculate the fluid acceleration and determine the pressure gradient at point ðx, yÞ=ð2,1Þ. Find the pressure distribution along the positive x axis.

Air enters a gas turbine with two stages of compression and two stages of expansion at 100 kpa and 17°c. this system uses a regenerator as well as reheating and intercooling – the intercooler returns the air to the inlet temperature. the pressure ratio across each compressor is 4 ; 300 kj/kg of heat are added to the air in each combustion chamber; and the regenerator operates perfectly while increasing the temperature of the cold air by 20°c. determine the system’s thermal efficiency. assume isentropic operations for all compressor and the turbine stages and use constant specific heats at room temperature. (0.378)