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The two heat exchangers pictured below heat an acetic acid stream by different means. In both exchangers stream 1 is 500 kgmol/hr acetic acid at 25°C, with the acetic acid exiting stream 2 heated to 90°C (Acetic acid: C,= 66.5 kJ/kgmol-K). Steam tables for water are provided at the end of the exam. Heat Exchanger Heat Exchanger 2 a) What is the AH (heat duty) required for the acetic acid stream in kJ/sec? b) Heat exchanger 1 uses saturated liquid water at 1.0 bar in stream 3, exiting stream 4 at 35°C (C, = 72.43 kJ/kgmol-K, Mwater = 18.02 kg/kgmol). What is the flow rate of water in kg/sec needed to perform this heating operation? c) Heat exchanger 2 uses the condensation of saturated steam at 1.0 bar (stream 5) to saturated liquid at 1.0 bar (stream 6). What is the flow rate of steam needed to perform thi heating operation?

The two heat exchangers pictured below heat an acetic acid stream by different means. In both exchangers stream 1 is 500 kgmol/hr acetic acid at 25°C, with the acetic acid exiting stream 2 heated to 90°C (Acetic acid: C,= 66.5 kJ/kgmol-K). Steam tables for water are provided at the end of the exam. Heat Exchanger Heat Exchanger 2 a) What is the AH (heat duty) required for the acetic acid stream in kJ/sec? b) Heat exchanger 1 uses saturated liquid water at 1.0 bar in stream 3, exiting stream 4 at 35°C (C, = 72.43 kJ/kgmol-K, Mwater = 18.02 kg/kgmol). What is the flow rate of water in kg/sec needed to perform this heating operation? c) Heat exchanger 2 uses the condensation of saturated steam at 1.0 bar (stream 5) to saturated liquid at 1.0 bar (stream 6). What is the flow rate of steam needed to perform thi heating operation?

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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Hleat exchinger i s opechy in canter cumently & i operahy in fashinn co- urent tiat evchonger acid sheem is To Find SH (heat duly) nquned for acchie AH = m Cp AT %3D m- 500 kg mo hr - 500 Eg mol 3600 kg kmol k AT- 90-25- 65°c = 65 K aifterene . AH= 500 * 66 * 65 = GoO 347 kJ/sec 3600 klere the hot flucid supplies heat s Sahirated which water with wo°c femperche liquid water at I bas whuch ů Heet rue of a celic acid het sunplieol by hot water . ie 600: 34 7 = Muder Cpwater ATwater %3D = Mudu 72.43 kJ * (100-35) kmol k mucter - O.127 kmo) e 2.294 kg /see. co127x18:2) Since I kmol - 18.2 for heet exchengr @ conclensahis of steem at I bat is wed. from steam kble sahunted steem at I aar hes here laknt heet of vepori zahio 2 2557.92 heat duny m steam * sHL - 600: 347 KI /ser m * 2257-92> GOO.397 mstcem 2 0-265 kg /sec
Transcribed Image Text:Hleat exchinger i s opechy in canter cumently & i operahy in fashinn co- urent tiat evchonger acid sheem is To Find SH (heat duly) nquned for acchie AH = m Cp AT %3D m- 500 kg mo hr - 500 Eg mol 3600 kg kmol k AT- 90-25- 65°c = 65 K aifterene . AH= 500 * 66 * 65 = GoO 347 kJ/sec 3600 klere the hot flucid supplies heat s Sahirated which water with wo°c femperche liquid water at I bas whuch ů Heet rue of a celic acid het sunplieol by hot water . ie 600: 34 7 = Muder Cpwater ATwater %3D = Mudu 72.43 kJ * (100-35) kmol k mucter - O.127 kmo) e 2.294 kg /see. co127x18:2) Since I kmol - 18.2 for heet exchengr @ conclensahis of steem at I bat is wed. from steam kble sahunted steem at I aar hes here laknt heet of vepori zahio 2 2557.92 heat duny m steam * sHL - 600: 347 KI /ser m * 2257-92> GOO.397 mstcem 2 0-265 kg /sec
The two heat exchangers pictured below heat an acetic acid stream by different means. In both exchangers stream 1 is 500 kgmol/hr acetic acid at 25°C, with the acetic acid exiting stream 2 heated to 90°C (Acetic acid: C, = 66.5 kJ/kgmol·K). Steam tables for water are provided at the end of the exam. Heat Exchanger 2 Heat Exchanger 1 a) What is the AH (heat duty) required for the acetic acid stream in kJ/sec? b) Heat exchanger 1 uses saturated liquid water at 1.0 bar in stream 3, exiting stream 4 at 35°C (C, = 72.43 kJ/kgmol·K, Mwater = 18.02 kg/kgmol). What is the flow rate of water in kg/sec needed to perform this heating operation? c) Heat exchanger 2 uses the condensation of saturated steam at 1.0 bar (stream 5) to saturated liquid at 1.0 bar (stream 6). What is the flow rate of steam needed to perform this heating operation?
Transcribed Image Text:The two heat exchangers pictured below heat an acetic acid stream by different means. In both exchangers stream 1 is 500 kgmol/hr acetic acid at 25°C, with the acetic acid exiting stream 2 heated to 90°C (Acetic acid: C, = 66.5 kJ/kgmol·K). Steam tables for water are provided at the end of the exam. Heat Exchanger 2 Heat Exchanger 1 a) What is the AH (heat duty) required for the acetic acid stream in kJ/sec? b) Heat exchanger 1 uses saturated liquid water at 1.0 bar in stream 3, exiting stream 4 at 35°C (C, = 72.43 kJ/kgmol·K, Mwater = 18.02 kg/kgmol). What is the flow rate of water in kg/sec needed to perform this heating operation? c) Heat exchanger 2 uses the condensation of saturated steam at 1.0 bar (stream 5) to saturated liquid at 1.0 bar (stream 6). What is the flow rate of steam needed to perform this heating operation?
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