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Steam at 1 bar enters an adiabatic heat exchanger with a quality of 0.89 and exits as a saturated liquid. Determine the volumetric flow rate (m3/s) of the steam entering the heat exchanger.
At the exit, the pressure and velocity are 1800 kPa and 588 m/s, respectively. Determine the area (m2) at the exit of the nozzle if the mass flow rate is 3.83 kg/s.
At the diffuser exit, the temperature is 430 K. Determine the velocity (m/s) at the exit of the diffuser. Use the tables for air as an ideal gas.
Saturated liquid refrigerant R-134a at 11.59 bar enters an adiabatic throttling valve which drops the pressure to 4.00 bar. Determine the quality (%) of the refrigerant at the exit of the valve.
Saturated water vapor at 11.91 bar enters an insulated throttling valve which drops the pressure to 1.50 bar. Determine the temperature (oC) of the steam at the exit of the valve.
Determine the power (kW) for the compressor if the inlet volumetric flow rate is 0.125 m3/s and the heat transfer through the shell of the compressor to the surroundings is 2.02 kW.
Find the reversible amount of of work per unit mass. Find the isentropic efficiency for the process as air goes through the system
An insulated cylinder of fixed volume of 4 meter cube contains 20 kg of nitrogen. Find the heat transfer and work done in kJ for this Process
Find the reversible amount of work per unit mass. Find the is entropic efficiency for the process as air goes through the system.
Refrigerent R-134a at 140 kPa and minus 10 degC is comressed by adiabatic 0.7 kW compressor to an exit state of 700 kPa and 50degC.
Solve for u as a function of y, as done in the class for Couette flow. Determine when the velocity slope du/dy becomes negative at the lower plate.
Draw a T-s diagram of the process through the cycle. Neglect any changes in kinetic and potential energy, pressure drop through the heat exchangers.
How does the nature of the boundary layer affect lift and frag on the twig? What types of drag are acting on the twig?
Determine the largest possible outlet velocity and the corresponding outlet temperature. If the outlet velocity is 250 m/s, determine the outlet temperature, isentropic nozzle efficiency.
Determine the heat transfer that occurred during this process, the volume of the tank, the initial temperature and pressure of the water, and the final pressure.
What exactly is shaft power for a wind turbine? What would the incoming and outgoing velocity triangles look like for this turbine?
Determine the heat transfer and the entropy produced during this process. Draw a p-v diagram for this process. Neglect any changes in kinetic and potential energy.
Determine the power input to the fan, the exit volume flow rate, and the inlet and exit velocities. Assume that air behaves as an ideal gas with constant specific heats.
Estimate the extent of the laminar boundary layer flow. Will the portion of the wing covered by a laminar boundary layer increase or decrease compared with its value at 10,000 ft?
The stiffness of the pump%u2019s shaft is 80 kN/m. Calculate the natural frequency for the pump impeller on the shaft (ignore the weight of the shaft).
The turbine to the genrator to aviod change to the existing genrator the od of the shaft must remain 250mm the shaft material has max shear of 145Mpa?
What volume flow rate ban be supplied to the greenhouse located 200 ft from the house? The greenhouse is 20 ft lower in elevation from the house.
What do yo undestand by the term "Base Quantity"? List the base quatities with their unit name and symbols. Show an hierachy of international, national, primary, secondary, referency abd working measu
Calculate the residual unbalance, the eccentricity and the balancing quality grade according to ISO balancing standard. What is going to happen if the pump speed is increased to 1560 rpm?
Calculate the highest velocity ,Acceleration and jerk under the motion scheme? Sketch a Displacement curve ,and lable all pionts?