Draw 1 -The relationship between pressure (p) and the number of fan revolutions (N) 2-The relationship between the pressure difference (AP) and the number of fan revolutions (N) 3-The relationship between the pressure difference (AP) and the work (W)
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- can you solve d. - e. - f. and g. partFor Non-flow Work fow systems with pv=const (Select All correct statements below):Work is directly proportional to pressureWork is directly proportional to volume.work can be written w=p1v2ln(v2/v1)work can be written as p2v2-p1v1)/(1-n)63 What is the net work done on the gas as it goes from point C to D and then to E on the Pressure vs Volume diagram? A 500 J B. -500J C. D. 1000 400 E 300+ 24 200- D 100+ Pressure (Pa) 1 2 Volume (m³) C + 3
- 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 -----! Required information A gas is compressed from an initial volume of 0.42 m³ to a final volume of 0.12 m³. During the quasi-equilibrium process, the pressure changes with volume according to the relation P=aV+ b, where a = - 1200 kPa/m³ and b= 1000 kPa. Gas P = a + b Calculate the work done during this process by plotting the process on a P-V diagram and finding the area under the process curve. (Please upload your response/solution using the controls below.)Show your complete solution for each problem. Only the final answer in your calculation should be rounded off to two decimal digits. Box your final answer. 1. The increase in the specific internal energy is 33.8 BTU/Ibm in a reciprocating compressor draws 40 lbm/min of air whose density is 0.074 lbm/ft³ and discharge it with a density of 0.311 lbm/ft³. At the suction, the pressure is 18 lb:/in² and discharge 88 lb:/in². If the changed in kinetic energy was neglected, determine the work on the air in horsepower (hp).
- 2- A gear pump with a rotational speed of 1500 RPM sends a flow of 15 liters per minute to the system 150 times withstand pressure. If the required power and mechanical efficiency are 7.8 and 84%, respectively, displacement of the pump in terms (cubic centimeters find the volume per revolution). 2 utIf an engine that throws 200 kW of heat energy into the atmosphere produces 150 horsepower (hp), what is the efficiency of this engine? TIP: Horsepower is not included in the international unit system, you must convert it to kW.As part of a processing of biofuels, water is pumped into a circular tank with a diameter D₁, as shown in Figure Q3. The flowrate into the tank is Q₁ and the flowrate out is Q2. When the vessel is heated, water evaporates. The average velocity at which the vapour rises across the entire tank is vevap- You may assume that water has a density of Pw, and vapour has a density of pv. Acceleration due to gravity is g. a) Find an expression for the rate of change of the mass of water in the tank. b) At time t = 0, the height of water in the tank is ho. Find an expression for the height as a function of time, h(t).
- A gas is in a container that is able to expand or contract so the pressure inside the container stays constant. The gas is steadily heated from 20 to 40 degrees Celsius. What is the percent change in the volume of the container? Governing Equation: Percent change in volume: Assumptions:No. 4 pleaseTable Q2 show the working pressure inside an engine which moves the piston at different positions inside the engine cylinder. Determine the total work done during the piston movement, 15 inches inside the cylinder. The piston head diameter was measure to be 8 inches. Given that the total work done relation is ; -15 Work = A p (x)dx , where A is the area of the piston. Table Q2 Item Piston head Piston Pressure position from top center of the engine cylinder (у), ст (p), psi 1 110 1 130 3 140 4 2.5 170 4 185 210 7 7 215 8 8 185 9 11 135 10 12 100 11 13 90 12 14 70 13 15 40