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Crude oil at 198°C is to be cooled to 39°C. The oil flow-rate is 6.032 kg/s. Cooling water is available at 29°C and at the rate of 27.032 kg/s. The pressure drop allowance for each stream is 100 kN/m?. Design a suitable shell and tube heat exchanger for this duty. The following are the properties of the two streams at the average temperature: Water Crude Oil Density kg/m3 Viscosity mNm²s Thermal Conductivity 990 850 680 x 10-3 0.18 0.630 0.130 W/m K Specific Heat kJ/ kg °K 4.2 2.3 Data: Assume overall heat transfer coefficient of 5032 W/m? K. Tubes: 20 mm 9 d., 16 mm id, tubes, 4 m long, triangular pitch 1.25do, carbon steel. Pull through head, Floating Head type heat exchanger. Baffle = 1/5 of the shell diameter and 25 % cut baffles Fouling factors 0.0003 m2 K/ W for cooling water and Q.0002m? K/ W for crude oil Thermal conductivity of metal = 52 W/m K

Crude oil at 198°C is to be cooled to 39°C. The oil flow-rate is 6.032 kg/s. Cooling water is available at 29°C and at the rate of 27.032 kg/s. The pressure drop allowance for each stream is 100 kN/m?. Design a suitable shell and tube heat exchanger for this duty. The following are the properties of the two streams at the average temperature: Water Crude Oil Density kg/m3 Viscosity mNm²s Thermal Conductivity 990 850 680 x 10-3 0.18 0.630 0.130 W/m K Specific Heat kJ/ kg °K 4.2 2.3 Data: Assume overall heat transfer coefficient of 5032 W/m? K. Tubes: 20 mm 9 d., 16 mm id, tubes, 4 m long, triangular pitch 1.25do, carbon steel. Pull through head, Floating Head type heat exchanger. Baffle = 1/5 of the shell diameter and 25 % cut baffles Fouling factors 0.0003 m2 K/ W for cooling water and Q.0002m? K/ W for crude oil Thermal conductivity of metal = 52 W/m K

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Crude oil at 198°C is to be cooled to 39°C. The oil flow-rate is 6.032 kg/s. Cooling water is available at 29°C and at the rate of 27.032 kg/s. The pressure drop allowance for each stream is 100 kN/m?. Design a suitable shell and tube heat exchanger for this duty. The following are the properties of the two streams at the average temperature: Water Crude Oil Density kg/m3 Viscosity mNm2s Thermal Conductivity 990 850 680 x 10-3 0.18 0.630 0.130 W/m K Specific Heat kJ/ kg °K 4.2 2.3 Data: Assume overall heat transfer coefficient of 5032 W/m? K. Tubes: 20 mm o.d, 16 mm id tubes, 4 m long, triangular pitch 1.25do, carbon steel. Pull through head, Floating Head type heat exchanger. Baffle = 1/5 of the shell diameter and 25 % cut baffles Fouling factors 0.0003 m² K/ W for cooling water and Q.0002 m² K/ W for crude oil Thermal conductivity of metal = 52 W/m K i. Present your design with emphasis on identifying the design problem and constraints ii. Discuss the health, safety and environmental issues related to the design. Prepare the standards compliance certificate for the design 111. iv. Estimate the cost of heat exchanger using the CEPCI
Transcribed Image Text:Crude oil at 198°C is to be cooled to 39°C. The oil flow-rate is 6.032 kg/s. Cooling water is available at 29°C and at the rate of 27.032 kg/s. The pressure drop allowance for each stream is 100 kN/m?. Design a suitable shell and tube heat exchanger for this duty. The following are the properties of the two streams at the average temperature: Water Crude Oil Density kg/m3 Viscosity mNm2s Thermal Conductivity 990 850 680 x 10-3 0.18 0.630 0.130 W/m K Specific Heat kJ/ kg °K 4.2 2.3 Data: Assume overall heat transfer coefficient of 5032 W/m? K. Tubes: 20 mm o.d, 16 mm id tubes, 4 m long, triangular pitch 1.25do, carbon steel. Pull through head, Floating Head type heat exchanger. Baffle = 1/5 of the shell diameter and 25 % cut baffles Fouling factors 0.0003 m² K/ W for cooling water and Q.0002 m² K/ W for crude oil Thermal conductivity of metal = 52 W/m K i. Present your design with emphasis on identifying the design problem and constraints ii. Discuss the health, safety and environmental issues related to the design. Prepare the standards compliance certificate for the design 111. iv. Estimate the cost of heat exchanger using the CEPCI
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