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Q3: Water at 10°C enters at the rate of 0.01 kg/s into a tube of 20 mm inner diameter. It is to be heated to 40°C. There is a uniform heat flux of 15 kW/m² over the surface. Determine the: (i) Reynolds number (ii) Length of pipe needed (iii) Heat transfer coefficient (iv)Tube temperature at outlet and (v) Friction factor. (Assume fully developed flow). Re Property values at 25°C are: p=997 kg/m³, cp = 4180 J/kg K, k = 0.608 W/m.K, μ = 910 × 10 Ns/m².

Q3: Water at 10°C enters at the rate of 0.01 kg/s into a tube of 20 mm inner diameter. It is to be heated to 40°C. There is a uniform heat flux of 15 kW/m² over the surface. Determine the: (i) Reynolds number (ii) Length of pipe needed (iii) Heat transfer coefficient (iv)Tube temperature at outlet and (v) Friction factor. (Assume fully developed flow). Re Property values at 25°C are: p=997 kg/m³, cp = 4180 J/kg K, k = 0.608 W/m.K, μ = 910 × 10 Ns/m².

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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Q3: Water at 10°C enters at the rate of 0.01 kg/s into a tube of 20 mm inner diameter. It is to be heated to 40°C. There is a uniform heat flux of 15 kW/m² over the surface. Determine the: (i) Reynolds number (ii) Length of pipe needed (iii) Heat transfer coefficient (iv)Tube temperature at outlet and (v) Friction factor. (Assume fully developed flow). Re Property values at 25°C are: p=997 kg/m³, cp = 4180 J/kg K, k = 0.608 W/m.K, μ = 910 x 10 Ns/m².
Transcribed Image Text:Q3: Water at 10°C enters at the rate of 0.01 kg/s into a tube of 20 mm inner diameter. It is to be heated to 40°C. There is a uniform heat flux of 15 kW/m² over the surface. Determine the: (i) Reynolds number (ii) Length of pipe needed (iii) Heat transfer coefficient (iv)Tube temperature at outlet and (v) Friction factor. (Assume fully developed flow). Re Property values at 25°C are: p=997 kg/m³, cp = 4180 J/kg K, k = 0.608 W/m.K, μ = 910 x 10 Ns/m².
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