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A) Liquid sodium flowing a 100 kg/s, enters a heat exchanger at 450 C and exits at 350 C. The specific heat of sodium is 1.25 kJ/kg.K. Water enters at 5000 kPa and 20 C.
Determine the minimum mass flow rate (kg/s) of the water so that the water not completley vaporize. Neglect the pressure drop through the exchanger and assume a saturated vapor state for the exiting steam to obtain the maximum allowable exiting enthlapy. Also, calculate the rate of heat transfer (kW) to the water.
b) A family has a natural hot spring on their property. They wish to use the hot groundwater to power heat engine and generate electricity. If the groundwater is 95 C and a mass flow rate of 0.2 kg/s is possible, estimate the maximum power output (kW). you may assume a constant specific heat for water during the process.
Vertical plane due to the action of the external moment and determine the external moment or force.
Determine the bolt stiffness, the tube stiffness, and the joint constant C.
The tank has a 180 mm inside diameter and a 12 mm wall thickness. Knowing that the tank contains compressed air under a pressure of 8 MPa, determine the magnitude T of the applied torque for which the maximum normal stress in the tank is 75 MPa.
steam at 80 bar 440oc enters a turbine at 1operating at steady state with a volumetric flow rate of 236 m3min. twenty
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Use Psychrometric chart to determine Latent portion
a medical technician uses a pair of four inch long tweezers to remove a wood sliver from a patient. the technician is
a rigid 1.2m3 tank contains water at pressure of 198.5 with 10 percent liquid and 90 percent vapor by volume. a
Determine the maximum horizontal displacement s of the block. Each of the two springs has a stiffness of k = 2500N/m and an unstretched length of 0.15 m.
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