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At the beginning of the compression process of an air-standard diesel cycle operating with the compression ratio r = 18, the temperature is T1=300K and the pressure is p1=0.1MPA. The temperature at the end of the combustion process (the highest temperature of the cycle) is T3=1800K. a) Plot the cycle on the p-v and T-v diagrams. b) Determine the cutoff ratio rc. c) Find the temperature at the end of each process of the cycle. d) Evaluate the efficiency of the cycle.
Aluminum-lithium alloys have been developed by the aircraft industry to reduce the weight and improve the performance of its aircraft. A commercial aircraft skin material having a density of 2.47 g/cm3 is desired. Compute the concentration of Li (..
Determine the mass flow rate of the air passing through this engine and the rates of heat addition and rejection when this engine produces 1000 hp. Assume constant specific heats at room temperature.
the 10-kg mass a is moving at 5 ms when it is 1 m from the stsaionary 10 kg mass b. the coefficiient of kinetic
the cylinder is made from steel where yield stress= 240 MPa and v=0.3. Subsequently sketch the hoop and radial stresses in the wall of the cylinder.
natural gas at 70 f and standard atmospheric pressure of 14.7 psi is compressed isentropically to a new absolute
gusset plate Determine the resultant of the three forces tha must be carried by the gusset plate. 30 degrees off of the wall and F1, F1 = 10k, F2 = 12k, F3 = 18k
a 1.5 inch thick steel plate and a 0.5 inch thick cast iron plate are compressed with 14- 20 unc grade 5 bolt and
the aim of this demonstration is to use measurements of the load required to propagate a crack tear in packaging tape
a gas power cycle compresses air at 1 bar and 300 k state 1 through an adiabatic reversible compressor to 6 bar state
a particle which moves with curvilinear motion has coordinates in meters which vary with time t in seconds according to
If an automobile's braking distance from 100 km/h is 60 m on level pavement, determine the automobile's braking distance from 100 km/h when it is (a) going up a 60 incline, (b) going down a 2-percent incline.
An 8-kg plunger is released from rest in the position shown and is stopped by two nested springs; the constant of the outer spring is k1 = 4 kN/m and the constant of the inner spring is k2 = 12 kN/m. If the plunger is released from the height
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