Find the specific enthalpy

Assignment Help Mechanical Engineering

Reference no: EM13707381

a) Find the specific enthalpy of R22 at 28 oC and a specific internal energy of 120.58 kJ/kg.

b) Evaluate T, v, and h for water at 1.0 MPa and a specific internal energy of 2692.9 kJ/kg.

c) Consider water at a state fixed by a pressure equal to 20 lbf/in.2 and temperature of 300oF. Find the specific enthalpy in Btu/lb.

Reference no: EM13707381

Questions Cloud

Kinematic viscosity : Kinematic viscosity (select all that apply)

Calculate the inlet density and initial velocity of methane : Pure methane initially at 3000 psi, 65 oF enters a pipeline of 12-in inside diameter, at a rate of 70 lb/s. Using the generalized compressibility factor chart, calculate the inlet density and initial velocity of methane.

Piston-cylinder assembly undergoes two processes in series : One kg of air in a piston-cylinder assembly undergoes two processes in series from an initial state where p1 = 0.5 MPa, T1 = 227oC. Constant-temperature expansion until the volume is twice the initial volume.

Determine the temperature at which the liquid : A rigid tank with a volume of 1.8 m^3 contains 15 kg of saturated liquid-vapor mixture of water at 2 bar. Now the water is slowly heated. Determine the temperature at which the liquid in the tank is completely vaporized. Show the process on a T-v dia..

Find the specific enthalpy : Find the specific enthalpy of R22 at 28 oC and a specific internal energy of 120.58 kJ/kg. Evaluate T, v, and h for water at 1.0 MPa and a specific internal energy of 2692.9 kJ/kg. Consider water at a state fixed by a pressure equal to 20 lbf/in.2 an..

Mixture is heated and expands at constant pressure : A piston-cylinder assembly contains a two-phase liquid-vapor mixture of H2O at 160 lbf/in^2 with a quality of 70%. The mixture is heated and expands at constant pressure until a final temperature of 480oF is reached. Determine the work for the proces..

Steam engine functions by converting liquid water to steam : A steam engine functions by converting liquid water to steam, which is then used to drive a rotating shaft. This engine contains 2 engineering devices: the boiler where the liquid water is converted to steam and the turbine where the steam is used to..

Calculate the appropriate speed and table feed rate : Calculate the appropriate speed (in RPM) and table feed rate (in inches per minute) for face milling 1212 steel (Hb 125) with a 3 inch diameter, 8 tooth, coated carbide cutter. The part is only 2 inches across (this is relevant for selecting the radi..

Find the mass flow rate of air : A centrifugal compressor has 23 radial vanes and an exit area equal to 0.12 m2, where the radial velocity is 27 m/s, and the tip speed of the impeller is 350 m/s. The total-to-total efficiency is 0.83.

User Account

All Pages