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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 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.

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.

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 = 0.6w/mK, p = 900kg/m^3 , Cp = 4000 J/kgK,  and v = 0.20* 10^-6 m^2/s; for R-113, take hfg= 0.2 * 10^6 J/Kg

(iv) Nu, the number of transfer units of the boiler (v) &, the exchanger effectiveness (vi) TH,out, the hot stream outlet temperature
Transcribed Image Text:(iv) Nu, the number of transfer units of the boiler (v) &, the exchanger effectiveness (vi) TH,out, the hot stream outlet temperature
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.
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.
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