Homework Answers
By balancing the energy over the heat exchanger we can find the temperature of the exit water.
And after that we can decide the arrangements of heat exchanger.
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Cooling water available at 680F is flowing through 1 in diameter tube at a rate of...
please show all steps and do both. if you dont do both problems please do problem...
please show all steps and do both. if you dont do both
problems please do problem 2 is more important .
Problem 2. (45 Points) Cooling water available at 680F is flowing through 1 in diameter tube at a rate of 62000 lb/hr to cool 7000 lb/hr of a lube oil from 200 to 1000F. The specific heat of the lube is 0.62 Btu/lbm oF and viscosity is 5 cp, thermal conductivity is 0.067 Btu/ft-hr °F. The overall heat transfer...
Water flowing at a rate of 10 kg/s through 50 tubes in a double-pass shell-and-tube heat...
Water flowing at a rate of 10 kg/s through 50 tubes in a double-pass shell-and-tube heat exchanger heats air which flows on the shell side. The tubes are bras with outside diameter of 2.6 cm and are 6.7m long. The heat transfer coefficients on the inside and outside tube surfaces are 470 W/m2K and 210 W/m2K, respectively. Air enters the unit at 15°C with a flow rate of 16 kg/s. The entering water temperature is 350K. A) Draw and label...
Required information A shell-and-tube heat exchanger is used for cooling 47 kg/s of a process stream...
Required information A shell-and-tube heat exchanger is used for cooling 47 kg/s of a process stream flowing through the tubes from 160°C to 136°C. This heat exchanger has a total of 100 identical tubes. each with an inside diameter of 2.5 cm and negligible wall thickness. The average properties of the process stream are: p = 950 kg/m”, k = 0.50 W/mK, Cp=3.5 kJ/kg.K, and -20 mPas The coolant stream is water (cp=4.18 kJ/kg K) at a flow rate of...
hw FinFan fin efficiency Score: 0/5 0/1 answered Work saved Submit and End VO Question 1...
hw FinFan fin efficiency Score: 0/5 0/1 answered Work saved Submit and End VO Question 1 < > 0/5 pts 3 Details <p A horizontal tube-bundle air-cooled exchanger is used to condense steam at 255 F and has the following specifications: Tube Bundle: Steam is flowing inside the tubes tube od 1 in ; tube id 0.834 in ; tube pitch = 2 in (square pitch); k = 26 btu/ft-hr-F There are 18 tube rows with each row containing 72...
Hot stream Aromatic stream 85 40 85.2 Cold stream Cooling water 20 35 Inlet temperature (°C)...
Hot stream Aromatic stream 85 40 85.2 Cold stream Cooling water 20 35 Inlet temperature (°C) Outlet temperature (C) Mass flowrate x heat capacity (KW°C) The fluid properties are as follows Cold stream Cooling water 4193 Hot streanm Heat capacity (Jlkg K) Density (kg/m2) Viscosity (cP) Thermal conductivity (WIm-K) Fouling factor (m2.°C) 2840 750 0.34 0.19 0.00018 1.016 0.594 0.000176 The cooling water is allocated to the tube-side of the exchanger . It is preferable to employ a fixed-tubesheet heat...
be clear Problem 3 (60 Points). A 1-2 shell-and-tube heat exchanger must be designed to heat...
be clear
Problem 3 (60 Points). A 1-2 shell-and-tube heat exchanger must be designed to heat 2.5 kg/s of water from 15 to 85°C. The heating is to be accomplished by passing hot engine oil at a rate of 5.2 kg/s, which is available at 160°C, through the shell side of the exchanger. The oil is known to provide an average convection coefficient of 400 W/m2K on the outside of the tubes. Ten tubes passes the water through the shell....
(3.14) An organic liquid at 185 F is to be cooled with water that is available...
(3.14) An organic liquid at 185 F is to be cooled with water that is available at 80°E. A double-pipe beat exchanger consisting of six hairpins connected in series will be used. The heat exchanger pipes are schedule 40. Bach hairpin is 20 ft long and is made with 2- and 1-in. stainless steel (k 9.4 Btu/h ft F) pipes. Flow rates and fuid properties, which may be assumed constant, are given below. The organic liquid will flow through the...
Q4) (10 Marks) From aperformance test on a well-baMed single-she, two-tube-pass heat exchanger, the following data are...
Q4) (10 Marks) From aperformance test on a well-baMed single-she, two-tube-pass heat exchanger, the following data are available: oil (cp 2100 J/kg K) in turbulent flow inside the tubes entered at 340 K at the rate of 1.00 kg/sand left at 310 K: water lowing on the shell side entered at 290 K and lcft at 300 K and (cp water 4187 kg K). A change in service conditions requires the cooling of similar oil from an initial temperature of...
Twenty [kw] of heat is to be removed from 375 [k] water flowing at 0.15 [kg/s] into the inner pipe of concentric tube heat exchanger. Cooling water enters the annulus at 290 [k] and leaves at 320...
Twenty [kw] of heat is to be removed from 375 [k] water flowing at 0.15 [kg/s] into the inner pipe of concentric tube heat exchanger. Cooling water enters the annulus at 290 [k] and leaves at 320 [k] with a flow in the opposite direction of the inner flow. The diameter of the thin- walled inner pipe is 2.5 [cm] a) b) c) Calculate the exit temperature of the hot fluid and the mass flow rate of the cold fluid...
1 CPD4701 Assignment 2/2019 Question 2 shell and-tube heat exchanger was designed for the following service: Cold strea...
1 CPD4701 Assignment 2/2019 Question 2 shell and-tube heat exchanger was designed for the following service: Cold stream Hot stream Crude Oil Fluid Cooling water Tube side Stream allocation Shell side Mass flow rate (kg/s) 110 30 Inlet temperature (C) 90 Outlet temperature (C) Heat capacity (J/kg K) Density (kg/m2) Viscosity (Pa-s) Thermal conductivity (W/m-K) Fouling factor (m2 CW) 40 50 2177 4187 787 995 0.72-10 1.89-103 0.122 0.59 0.0002 0.0004 The shell and tube heat exchanger has the following...
please show all steps and do both. if you dont do both
problems please do problem 2 is more important .
Problem 2. (45 Points) Cooling water available at 680F is flowing through 1 in diameter tube at a rate of 62000 lb/hr to cool 7000 lb/hr of a lube oil from 200 to 1000F. The specific heat of the lube is 0.62 Btu/lbm oF and viscosity is 5 cp, thermal conductivity is 0.067 Btu/ft-hr °F. The overall heat transfer...
Water flowing at a rate of 10 kg/s through 50 tubes in a double-pass shell-and-tube heat exchanger heats air which flows on the shell side. The tubes are bras with outside diameter of 2.6 cm and are 6.7m long. The heat transfer coefficients on the inside and outside tube surfaces are 470 W/m2K and 210 W/m2K, respectively. Air enters the unit at 15°C with a flow rate of 16 kg/s. The entering water temperature is 350K. A) Draw and label...
Required information A shell-and-tube heat exchanger is used for cooling 47 kg/s of a process stream flowing through the tubes from 160°C to 136°C. This heat exchanger has a total of 100 identical tubes. each with an inside diameter of 2.5 cm and negligible wall thickness. The average properties of the process stream are: p = 950 kg/m”, k = 0.50 W/mK, Cp=3.5 kJ/kg.K, and -20 mPas The coolant stream is water (cp=4.18 kJ/kg K) at a flow rate of...
hw FinFan fin efficiency Score: 0/5 0/1 answered Work saved Submit and End VO Question 1 < > 0/5 pts 3 Details <p A horizontal tube-bundle air-cooled exchanger is used to condense steam at 255 F and has the following specifications: Tube Bundle: Steam is flowing inside the tubes tube od 1 in ; tube id 0.834 in ; tube pitch = 2 in (square pitch); k = 26 btu/ft-hr-F There are 18 tube rows with each row containing 72...
Hot stream Aromatic stream 85 40 85.2 Cold stream Cooling water 20 35 Inlet temperature (°C) Outlet temperature (C) Mass flowrate x heat capacity (KW°C) The fluid properties are as follows Cold stream Cooling water 4193 Hot streanm Heat capacity (Jlkg K) Density (kg/m2) Viscosity (cP) Thermal conductivity (WIm-K) Fouling factor (m2.°C) 2840 750 0.34 0.19 0.00018 1.016 0.594 0.000176 The cooling water is allocated to the tube-side of the exchanger . It is preferable to employ a fixed-tubesheet heat...
be clear
Problem 3 (60 Points). A 1-2 shell-and-tube heat exchanger must be designed to heat 2.5 kg/s of water from 15 to 85°C. The heating is to be accomplished by passing hot engine oil at a rate of 5.2 kg/s, which is available at 160°C, through the shell side of the exchanger. The oil is known to provide an average convection coefficient of 400 W/m2K on the outside of the tubes. Ten tubes passes the water through the shell....
(3.14) An organic liquid at 185 F is to be cooled with water that is available at 80°E. A double-pipe beat exchanger consisting of six hairpins connected in series will be used. The heat exchanger pipes are schedule 40. Bach hairpin is 20 ft long and is made with 2- and 1-in. stainless steel (k 9.4 Btu/h ft F) pipes. Flow rates and fuid properties, which may be assumed constant, are given below. The organic liquid will flow through the...
Q4) (10 Marks) From aperformance test on a well-baMed single-she, two-tube-pass heat exchanger, the following data are available: oil (cp 2100 J/kg K) in turbulent flow inside the tubes entered at 340 K at the rate of 1.00 kg/sand left at 310 K: water lowing on the shell side entered at 290 K and lcft at 300 K and (cp water 4187 kg K). A change in service conditions requires the cooling of similar oil from an initial temperature of...
Twenty [kw] of heat is to be removed from 375 [k] water flowing at 0.15 [kg/s] into the inner pipe of concentric tube heat exchanger. Cooling water enters the annulus at 290 [k] and leaves at 320 [k] with a flow in the opposite direction of the inner flow. The diameter of the thin- walled inner pipe is 2.5 [cm] a) b) c) Calculate the exit temperature of the hot fluid and the mass flow rate of the cold fluid...
1 CPD4701 Assignment 2/2019 Question 2 shell and-tube heat exchanger was designed for the following service: Cold stream Hot stream Crude Oil Fluid Cooling water Tube side Stream allocation Shell side Mass flow rate (kg/s) 110 30 Inlet temperature (C) 90 Outlet temperature (C) Heat capacity (J/kg K) Density (kg/m2) Viscosity (Pa-s) Thermal conductivity (W/m-K) Fouling factor (m2 CW) 40 50 2177 4187 787 995 0.72-10 1.89-103 0.122 0.59 0.0002 0.0004 The shell and tube heat exchanger has the following...
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