Problem 1 (20 points): Consider the following piston-cylinder assembly that contains water as its workingfluid. Stops in the cylinder walls prevent the fluid volume from exceeding a maximum value of Vmax = 3.0 m³.The fluid has initial properties of P₁ = 100 kPa, V₁ = 2.00 m³, and T₁ = 125.0 °C and is subjected to input heatuntil it reaches a maximum temperature of Tƒ= 425.0 °C.Determine:(A) the final pressure, Pf(B) the total work done by the fluid, Wtotal(C) the total required heat input, QtotalQ

Answered: Image /qna-images/answer/8ea2b29f-4afa-4281-b241-f94f74cc0bc4.jpg

Answered: Problem 1 (20 points): Consider the…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question B3 The engine of an aeroplane is equipped with an ideal convergent nozzle with an area ratio Ainlet 2.035 ( -A-2.035), as in Figure Q-B3. The aeroplane is flying at an altitude of 11 Aexit km where the atmospheric pressure and temperature are 0.23 bar and 216K respectively. You may assume the combustion gases entering the nozzle have the same property as air (i.e. y=1.40, R=287 J/kgK and Cp-1004.5J/kgK). Page 6 Question B3 continued inlet exit Amles/Aexit -AVAJ-2.035 Figure Q-B3 a) If the nozzle operates at its critical condition, calculate: the inlet Mach number M;. nozzle's exit velocity V, the inlet stagnation pressure Por- the inlet static pressure FG The stagnation Aj P, and the nozzle's gross thrust per unit exit area temperature of the gases entering the nozzle is To 1200 K. b) If the stagnation pressure at the inlet of the nozzle is reduced to 80% of its value in part (a), determine the exit static temperature 7;, the nozzle's gross thrust per unit exit area FG. The…
1. Consider the following schematic of a power plant (operating in what is called a 'Rankine Cycle') Turbine Steam generator Condenser Coling water Economiaer The power plant control room reports that the plant is operating continuously at the following peak load conditions: a. Power to pump = 300KW b. Rate of steam flow = 25 kg/s c. Cooling water temperature at condenser inlet = 13 C d. Cooling water temperature at condenser outlet = 34 C Additionally, the following measurements were made at various points in the piping connecting the power plant components Data Pressure Temp. Quality enthalpy Specific Velocity (kJ/kg) point (kPa) volume (m/s) (m3/kg) (C) (x) 1 6200 2 6100 43 5900 177 ---- 4. 5700 493 ----- 5 5500 482 ----- 6 103 0.94 183 7 96 43 -----
17.Find the heat flow during 5.0 h through a glass window of thickness 0.20 in. with an area of 40 ft² if the average outer surface temperature is 22°F and the average inner glass surface is 60°F. Show working equation with answer. Answer must be in BTU units.
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Q2. solve all parts A reversed reversible heat engine extracts heat Q1-22 from a cold reservoir at temperature Tcold = 270K to supply heat to a rigid pressure vessel filled with a system of wet steam of mass m=10kg. The arrangement is depicted in Fig. Q2, where heat supplied by the reversed engine causes the pressure of the system to rise from p₁ = 2 bar at state point 1 to p₂ = 10 bar at state point 2. Subsequently, the reversed engine is reversed, and heat is extracted from the steam to produce work W2-1, which returns the system back to state point 1, i.e., the system undergoes a cycle. Information recorded at the state points depicted in the figure is as follows: State point 1: dryness fraction ✗₁ = 0.1 and pressure p₁ = 2 bar. State point 2: P₂ = 10 bar. 2-1 Assume that the only transfers of heat to take place are those labelled in Fig. Q2, i.e., 02, 0, and Additionally, assume that the role of the rigid pressure vessel is solely limited to containment, so that any changes to its…
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Suppose that you have designed a portable compressed-air supply system, as shown in the figure below,for filling scuba tanks and for driving pneumatics tools in garages and factories.The system consists of an electric motor, an air compressor, an air tank, a regulator and a pressure-reliefsafety valve.The regulator contains a pressure sensor connected to a power switch. The motor is switched on whenthe tank pressure drops bellow a fixed value and off at a slightly higher pressure. The pressure-reliefvalve is set to open at a higher pressure than the regulator motor off-pressure.Explosion of the tank is clearly a dangerous hazard. Three events are assumed to possibly lead to a tankexplosion:1. an internal tank defect such as poor welding2. an external cause such as a plant vehicle colliding with the tank3. Excess pressure in the tank. The excess pressure can occur only if both the control unit and thepressure-relief valve fail:The pressure sensor might fail to shut oof the motor because…
STEAM PROCESSES
Problem 5. A 1000 cubic foot room is initially at standard temperature and pressure. A resistance heater in the room is consuming 1500W of electricity. What is the air temperature of the room after 3 hours? Assume the room acts as an isolated system. Hint: The specific heat of a substance is the amount of heat it takes to warm one unit mass of material by one degree. The specific heat of air (assuming constant volume) can be taken as C₂ = 700J/kg°C. This relates the total heat added to the system to its temperature rise.
Help me with this thermodynamics problem
1) A geothermal facility operates at 1/3 of the Carnot efficiency. If the cold reservoirhas a temperature of 70°C, calculate and plot the efficiency of the facility as afunction of the geothermal fluid temperature from 100°C to 300°C. (remember toconvert to Kelvin!)1b) If a minimum efficiency of 5% is needed for this facility to be economicallyviable, what is the required minimum temperature of the geothermal fluid?
Problem 1. A sample of an ideal gas goes through the process shown in Figure 1. From A to B, the process is adiabatic; from B to C, it is isobaric with 240 kJ of energy entering the system by heat; from C to D, the process is isothermal; and from D to A, it is isobaric with 360 kJ of energy leaving the system by heat. Determine the difference in internal energy Eint B - Eint ‚A P (atm) V (m³) 0.09 0.2 0,4

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