(b) Using steam properties tables to find the following unknown properties: t, °C h, kIkg State...
EXAMPLE 3-9 The Use of Steam Tables to Determine Properties Determine the missing properties and the phase descriptions in the following table for water P, kPa X u, kJ/kg T, C Phase description 200 0.6 1600 1000 2950 75 500 850 125 OBOSS 0.0
Question 1 Using the tables for water determine the specified property data at the indicated state. For H2O at p = 0.7 MPa and v = 0.51 m3/kg, find u in kJ/kg. Note: Round up the answer to 2 decimal places. Question 2 Using the tables for water determine the specified property data at the indicated state. For H2O at p = 10 MPa and u = 990 kJ/kg, find h in kJ/kg. Note: Round up the answer to 2...
4. (4 points) Liquid water enters a steady-state heat exchanger at P 1 MPa and T-353.15 K, and exits as saturated water vapor at P-1 MPa A. Using the steam tables, find the change in specific enthalpy for this process. B. Using the approximation that Cp-4.19 kJ/kg-K for liquid water, find the change in enthalpy when liquid water is heated from 353.15 K to its boiling point at P 1 MPa. C. How do the answers to parts A and...
Using the Tables and other properties, find the following Laplace transforms. State the number of the formula you use. a) L{ (t? +4)e 6+ - cost } b) Use L{cºf(t) } = (-1), da F to find L {t sinh 5t) } (yes that is the hyperbolic sine function, sinh ds"
Piston work using Steam tables: Problem 3) 0.1 kg of Steam is expanded in a piston to do work. If the steam is expanded in a piston engine at a constant pressure of 200kPa starting at a temperature of 500C. The piston has a diameter of 0.3m and a stroke of 1m. Find: The initial state of the piston (P,T,v, u,h,s) The initial volume of the cylinder The final state of the fluid P,T,v,u,h,s (hint compute the final volume and...
Steam in a 2 m rigid sealed vessel is initially at P,=1 MPa, T.-500 °C. The steam undergoes an isochorie process until the final pressure P2-200 kPa. The specific internal energy and the specific entropy at state 2 are respectively u21092.5 kJ/kg and s2- 3.198 kJ/kg-K. 1 Tsing your stram tahle read the values of the following properties: 4. Compute the mass of steam in the vessel in kg 5. For the system, compute the specific exergy change as, A0-01-02...
1. Using the tables for water, determine the specific entropy at the indicated states, in kJ/kg.K. In each case, locate the state by hand on a sketch of the T-s diagram a. p-5.0 MPa, T-4000 b. p 5.0 MPa, T 100o c. p 5.0 MPa, u-1872.5 kJ/kg d. p 5.0 MPa, saturated vapor. 1. Using the tables for water, determine the specific entropy at the indicated states, in kJ/kg.K. In each case, locate the state by hand on a sketch...
Consider water as the fluid of interest. Given the conditions below, choose what steam table you would use to calculate the other variables? A Superheated Steam B Saturated Temperature Table C Saturated Pressure Table D Compressed Liquid Table C C P =0.04 MPa and U=317.58 kJ/kg T =85.93°C and P=.06 MPa T= 37°C and P=.004575 MPa T=100°C and S=1.2506 kJ/kg-K T=120°C and H=1700 kJ/kg Submit Answer Tries 0/4
Complete the following table for Refrigerant-134a. Use data from the steam tables. T,°C P, kPa u kJ/kg 20 95 -12 Phase description (Click to select) Saturated liquid (Click to select) (Click to select) 300 400 600 8
A) find the mass flow rate of steam and B) find the power output in KW of the turbine using Ein = Eout since it is in steady state In a power plant, steam enters a turbine steadily at 10 MPa and 600°C with a velocity 65 m/s and leaves at 125 kPa with a 96 percent quality. A heat loss of 22 kJ/kg occurs during the process. The inlet area of the turbine is 140 cm². Determine (a) the...