Air enters a diffuser operating at steady state at 540°R, 15 lbf/in.², with a velocity of 600 ft/s, and exits with a velocity of 60 ft/s. The ratio of the exit area to the inlet area is 8. Assuming the ideal gas model for the air and ignoring heat transfer, determine the temperature, in °R, and pressure, in lbf/in.², at the exit. Part A * Your answer is incorrect. Assuming the ideal gas model for the air and ignoring heat transfer, determine the temperature at the exit, in °R. T₂ = i -1244.63 °R
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- Air with a mass flow rate of 5 kg/s enters a horizontal nozzle operating at steady state at 450 K, 350 kPa, and velocity of 3 m/s. The nozzle is well insulated. At the exit, pressure is 300 kPa and temperature is 390 K. Using the ideal gas model for air, the area at the inlet is m², and the velocity at the outlet is Are potential effects negligible? Why? m/s. Is heat transfer negligible? Why? Note that you may choose to model the specific heat as constant.Compute the pressure heat at m, in feet of fluid A, indicated by open manometer in figure 2 below when (a) Fluid A is oil (sp gr 0.851), the gage liquid is carbon tetrachloride (sp gr 1.51), y=30.15 in, z=3051 in. (b) Fluid A is molasses (sp.gr 1.50), gage liquid is water, y=3.51 ft, z=1.15 ftCompute the pressure heat a m, in feet of fluid A, indicated by open manometer in figure below when; (a) Fluid is oil (sp gr 0.895), the gage liquid is carbon tetrachloride (sp gr 1.95), y = 30.75 inch, z = 30.95 in(b) Fluid A is molasses (sp gr) 1.50), the gage liquid is water, y = 3.95ft, z = 1.75ft Note: Clear handwritten solution
- Exercise 2: According to an appliance manufacturer, the 4-in.-diameter vent on a clothes dryer is not to contain more than 20 ft of pipe and four 90° elbows. Under these conditions determine the air volumetric flow rate if the gage pressure within the dryer is 0.20 inches of water. Assume both the specific weight and the kinematic viscosity of the heated air to be constant and equal to y=0.0709 bf/ft?, and v=µp=1.79x10 -4 ft2/s, respectively, and that the roughness of the vent pipe surface is equivalent to that of galvanized iron. C20 0.2 in. V-0 (2) Figure K: Schematic for Exercise 2, Moran&Shapiro, 2002 O KFVD) = 3.87 O K fVD)= 3.67) O K/ (FVD) = 3.79 O K/ (FVD) = 3.74ENERGY CONSERVATION - BERNOULLI EQUATION. 3. Kerosene flows at 25 ° C, at a rate of 1200 L / min, from the lower tank (A) to the upper tank (B) through a 2 ”copper tube. type K. Calculate the air pressure over the fluid.Air at 30 deg. Celsius and 110KPa flows at 20N/s through a rectangular duct that measures 160mm x 320mm. Compute the average velocity (m/s) and flow rate (? ^3/s) using gas constant equal to 289 J/kg-K.
- 3 A tank contains 100 gal of brine in which 50 lb of salt is dissolved. Brine containing 2 lb/gal of salt runs into the tank at the rate of 3 gal/min; and the mixture, assumed to be kept uniform by stirring, runs out at the rate of 2 gal/min. Assuming that the tank is sufficiently large to avoid overflow, find the amount of salt in the tank as a function of the time t. When will the con- centration of salt in the tank reach Ib/gal? How much salt is in the tank at the end of 30 min? Work Exercise 3 with the rates of influx and efflux interchanged, and find the amount of salt in the tank after 1 h instead of at the end of 30 min. Under these circumstances, when will the 4 tank contain the maximum amount of salt, and what is this amount?(9) [Text - Problem 2.48] 2-48 A sample of air contains 8.583 mol m3 of oxygen and 15.93 mol m-3 of nitrogen at STP. Determine the partial pressures of oxygen and nitrogen in 1.0 m³ of the air. I PENGA fluid enters a device steadily at 35 m/s, 200 kPa and 65C and exits at 240 m/s and 95 kPa. The heat transferred from the device to the surrounds at 17C is founded to be 3 kJ/kg. If the exit velocity is varying from 100 to 300 m/s, determine the exit temperature and exergy destroyed and plot the results. Take the fluid is Air. Please solve the above question with EES only.
- A container is filled with 0.675 liter of fluids at pressure of 2000 kPa. When the pressureincreases at 3000 kPa the volume of the liquid becomes 0.670 liters.Compute a. the coefficient of compressibilityb. the velocity of the sound.Find coefficient of discharge of the venturimeterA fluid (SG = 1.3) flows from a nozzle. The nozzle is 15m above the datum. The power on the nozzle is 20KW and the velocity of flow is 10 m/s. Determine the diameter of the nozzle (A 99.68 mm B 113.67 mm C No Answer among the choices 131.95 mm E) 197.93 mm