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Hot brine from a geothermal well passes through 120 3 cm-O.D., 1 mm-wall- thickness, 16 m-long titanium alloy (k = 14 W/m K) tubes Refrigerant 113 ho

Hot brine from a geothermal well passes through 120 3 cm-O.D., 1 mm-wall- thickness, 16 m-long titanium alloy (k = 14 W/m K) tubes Refrigerant 113 ho

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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For the brine, take k = 0.6 W/m K, p = 900 kg/m³, cp = 4000 J/kg K, and v = 0.20 x 10-6 m²/s; for R-113, take hig=0.2 x 106 J/kg.
Transcribed Image Text:For the brine, take k = 0.6 W/m K, p = 900 kg/m³, cp = 4000 J/kg K, and v = 0.20 x 10-6 m²/s; for R-113, take hig=0.2 x 106 J/kg.
Hot brine from a geothermal well passes through 120 3 cm-O.D., 1 mm-wall- thickness, 16 m-long titanium alloy (k = 14 W/m K) tubes. Refrigerant-113 boils on the exterior of the tubes at 150°C, with an outside heat transfer coefficient of 20,000 W/m² K. The hot brine enters the tubes at 210°C, and the bulk velocity in each tube is 2 m/s. Calculate the following quantities. (i) Rep, the Reynolds number inside a tube (ii) hei, the inside heat transfer coefficient (iii) U, the overall heat transfer coefficient
Transcribed Image Text:Hot brine from a geothermal well passes through 120 3 cm-O.D., 1 mm-wall- thickness, 16 m-long titanium alloy (k = 14 W/m K) tubes. Refrigerant-113 boils on the exterior of the tubes at 150°C, with an outside heat transfer coefficient of 20,000 W/m² K. The hot brine enters the tubes at 210°C, and the bulk velocity in each tube is 2 m/s. Calculate the following quantities. (i) Rep, the Reynolds number inside a tube (ii) hei, the inside heat transfer coefficient (iii) U, the overall heat transfer coefficient
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