Draw the characteristics of the JET

A perfect gas stored in a large reservoir exhausts into the atmosphere through aconvergent duct. The reservoir pressure is P0 and temperature is T0. The jet emergesfrom the nozzle at choked conditions with average velocity u, Mach number M,pressure p, temperature T, and density . If the reservoir pressure is increased,then(A) u, M, p, T, and increase(B) u, p, T, and increase, but M remains the same(C) u, M, and T remain the same, but p and increase(D) u, M, T and remain the same, but p increasesQ.40 Consider a general aviation airplane with weight 10 kN and a wing planform areaof 15 m2. The drag coefficient of the airplane is given as02D D LC C KC= + with0 0.025DC =and0.05K = . For level flight at an altitude where the density is0.60 kg/m3 and thrust 1 kN, the maximum cruise speed is(rounded off to the nearest integer)(A) 87 m/s(B) 30 m/s(C) 36 m/s(D) 101 m/s

A horizontal water jet from a nozzle of constant exit cross section impinges normally on a stationary vertical flat plate. A force F is required to hold the plate against the water stream. If the water velocity is doubled, the necessary holding force F…

Aerodynamics

Multiple Choice QuestionWhich of these best describes a jet stream?Multiple choice question.Hurricane-force winds that circle the earthMassive vertical convection cells that distribute energyA system that includes the Hadley, Ferrel, and Polar convection cells

Air enters a jet engine through section 1 with an area of A1=0.5 m2 at a (relative) speedof 250 m/s. The pressure at the entrance is atmospheric pressure (approximately 105 Pa)and the temperature is 300 K. Inside the engine, the injected fuel mixes perfectly withair, with fuel to air mass ratio of 1:30. The enthalpy and the kinetic energy flow rate ofthe fuel can be neglected at the fuel inlet. The combustion releases a heat per unit mass(of air) of 200 kJ/kg, after which the mixture is expanded through a nozzle to the exitsection 2 whose area is A2= 0.4 m2. The product of combustion can be taken to havethe same properties of air (such as Cp=1.005 kJ/kg k, γ=1.4 and so on). The nozzleperfectly expands the flow such that at the exit 2, the pressure is atmospheric pressure.The temperature of the flow at the exit is 400 K. The figure below shows a roughschematic of the engine and the flow. Find the thrust generated by the engine.