3. (SP85) You are given a double pipe heat exchanger. The hot fluid flows through the inside pipe. The pipe dimensions are given in Table 1. The fluid properties are in Table 2. The hot fluid enters at 200 F and the cold fluid enters at 30 F. What are the outlet temperatures of the hot and cold fluids? (See chapter 11 of McCabe and Smith). Table 1. Pipe data. Wall thicknesses Table 2. Fluid properties. are negligible HOT FLUID COLD FLUID INSIDE OUTSIDE DENSITY 58 lbmit 62.4 lbmuit PIPE PIPE VISCOSITY 0.8 CP 1.0 CP DIAMETER 1 inch 2 inch HEAT CAPACITY 0.8 BTU/Dm/F 1.0 BTU/bm/F LENGTH 6 ft 6 ft HEAT TRANSFER COEF 200 BTU/hr F 10 BTU/hr F FLOW RATE 60 lbm/hr 100 lbm/hr 4. (SP86) In pbm 3, use correlations from the text (chapter 12 McCabe & Smith) to calculate the heat transfer coefficient for the hot fluid flowing inside of the inside pipe. Assume constant fluid properties. The thermal conductivity of the hot fluid is 0.092 BTU/ft hr F