Hello,

Please read the question carefully, I need help with b, d and f only.

Design Problem An industrial process requires a steady stream of saturated vapor steam at 200kPa at the rate of 2kg/s. One alternative for supplying this steam from ambient liquid water (HU Lake so blue!) at 20C,100 kPa is to pump the water to 5MPa from a reservoir, feed to a steam generator (boiler), and then expand through a turbine, from which the steam exhausts at the desired state. The energy for the steam generator is from a heat source whose temperature is not known. The isentropic efficiency of the pump is 80%; that of the turbine is not known but the student of Applied Thermodynamics will be asked to determine this efficiency. You are asked to do the following: (a) Draw a neat and clearly labelled schematic of the alternative for supplying the 2kg/s of saturated (vapor) steam at 200kPa. (b) Represent the alternative on Ts,Pv and hs diagrams with appropriate points to correspond with those on your clearly labelled schematic. Connect the points on the diagrams with arrows to show the directions of the processes. Your diagrams should clearly indicate the ideal processes as well as the real processes for ease of comparison. Explain your diagrams. (c) Determine the ideal power (kw) required by the pump and hence determine the actual power input to the pump. (d) Based on the conditions given in the problem, determine lower (minimum)and upper (maximum) bounds on the specific entropy of the fluid entering the turbine. Determine the equivalent temperatures associated with the lower and upper bound entropies. Provide details and justifications to your answers. (e) Calculate the turbine isentropic efficiencies associated with the two temperatures determined in part (d). Repeat the calculations for at least three or more equally spaced temperatures between the minimum and the maximum for a total of 5 data points. You are asked to present KEY results of your calculations in a clearly annotated Table and do the same in EXCEL; plot the turbine isentropic efficiency vrs. Turbine entering temperature, in EXCEL or MathLab. Add KEY results from Alternative I and II (3-Ideal) calculations in the Table. Copy and paste the Table and plots from graphing APP into your .pdf report. (f) With an acceptable (provide justification for your choices!!!!!) value of boiler exit temperature and turbine isentropic efficiency, calculate the rate of heat transfer per unit time to the boiler (assuming from an external heat source of course) and the work output per unit time of the turbine. 2