An engine cooling system has forward transfer function, G(s) * configuration as shown in figure 1. 5is in a unity feedback R(s) E(s) a (ste) (s+dXs2 +bs+c) Figure 1: Uncompensated engine cooling system
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- 1 moles of a diatomic ideal gas undergoes a cyclic process as depicted in the figure below. The processes AB and CD are isobaric and the process DA is adiabatic. For the given values PA= 11.5 atm, VA= 6.5 L, V3= 3.25 L, Pc= 23 atm, and Vc=1.981 L answer the following questions. J (use R=8.314 1 atm = 1.013x105 Pa, 1 L= 10-3 m3) mol · K' Volume 1. Calculate the temperature TA K 2. What type of process is the process BC? 3. Calculate the work done by the gas in the process DA.WDA = 4. Calculate the magnitude of the net heat entering the cycle. |QH|=| 5. Calculate the magnitude of the net heat leaving the cycle. |Qcl = 6. Calculate the net work done by the gas. EW= 7. Calculate the thermal efficiency of the cycle. e = 8. Calculate the change in the entropy in the process AB. Include the sign (positive or negative) in PressureConsider the operation of an actual turbine in a gas turbine engine. The mass flow rate is 50 lbm/s. The turbine inlet temperature is 2040 deg F. The pressure ratio in the compressor is 18.15. The turbine efficiency is 0.91. Assume variable specific heats. The turbine work output is nearly Group of answer choices 310 B/lbm 340 B/lbm 355 B/lbm 325 B/lbm3.20) The first stage of an axial compressor is designed on free vortex principles, with no inlet guide vanes. The rotational speed is 6000 rev/min and the stagnation temperature rise is 20 K. The hub-tip ratio is 0.60, the work-done factor is 0.93 and the isentropic efficiency of the stage is 0.89. Assuming an inlet velocity of 140 m/s, the Mach number relative to the tip is limited to 0.95 and ambient conditions of 1.01 bar and 288 K, calculate: (a) the tip radius and corresponding rotor air angles B1 and B2. [0.456 m, 63.95° and 56.40°] (b) the mass flow entering the stage. [65.5 kg/s] (c) the stage stagnation pressure ratio and power required. [1.233, 1317 kW] (d) the rotor air angles at the root section. [50.83° and 18.32°]
- Consider the four-process cycle shown in the P-V diagram in the figure below. The graph shows a sequence of four processes being carried out on a sealed system of ideal gas. In this case, P is 50.0 kPa and Vis 4.00 liters. Pressure (kPa) 4P- 3P- 2P- P 2 13 14 0 V 2V 3V 4V Volume (liters) (a) Calculate the work done by the gas in the process taking the system from state 1 to state 2. 180 X J (b) Calculate the work done by the gas in the process taking the system from state 2 to state 3. 750 X J (c) Calculate the work done by the gas in the process taking the system from state 3 to state 4. 0 J (d) Calculate the work done by the gas in the process taking the system from state 4 to state 1. -750 X J (e) Calculate the net work done by the gas in one entire cycle. 180 X J (f) Calculate the net change in the internal energy of the gas for one entire cycle. 0 J (g) Calculate the net heat added to the gas for one entire cycle. 500 X JWhen a system is taken from state i to state falong path iaf in the figure, Q = 51.4 cal and W = 20.7 cal. Along path ibf, Q = 36.2 cal. (a) What is W along path ibf? (b) If W = - 13.2 cal for the return path fi, what is Q for this path? (c) If Enti = 10.5 cal, what is Eint. f? If Eint.b = 22.4 cal, what is Q for (d) path ib and (e) path bf ? %3D Volume (a) Number Units (b) Number i Units (c) Number i Units (d) Number Units Units (e) Number PressureUse the Gibbs expression for entropy (eqn 14.48) to derive the formula for the entropy of mixing (eqn 14.40). Below are equations 14.48 and 14.40 - AS-NkB(x ln x + (1 − x) ln(1 - x)). = S = -kB Piln P¿. (14.40) (14.48)
- It's a thermodynamics question.Needs Complete typed solution with 100 % accuracy.How would I draw the following graphs for a simple ohmic device from the equations V=IR and P=IV=I^2R=V^2/R: plot V vs. I with constant R, plot P vs V with constant R, plot P vs R with constant I, and plot P vs I with constant R.