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A hot isothermal surface is to be cooled by attaching an array of parallel, equally spaced vertical square plates, side length =405 mm, AT between hot surface and surrounding air is 45°C and the film temp = 50 °C, Air properties (k = 0.02735 Włm.K, a =2.487E-5 m /s, v=1.798E-5 m /s, Pr= 0.7228). What is the plate spacing (mm) that maximizes heat transfer from the array? Select one: A. 9.21 В. 8.29 С. 11.58 D. 10.02 E. 10.86

A hot isothermal surface is to be cooled by attaching an array of parallel, equally spaced vertical square plates, side length =405 mm, AT between hot surface and surrounding air is 45°C and the film temp = 50 °C, Air properties (k = 0.02735 Włm.K, a =2.487E-5 m /s, v=1.798E-5 m /s, Pr= 0.7228). What is the plate spacing (mm) that maximizes heat transfer from the array? Select one: A. 9.21 В. 8.29 С. 11.58 D. 10.02 E. 10.86

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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A hot isothermal surface is to be cooled by attaching an array of parallel, equally spaced vertical square plates, side length =405 mm, AT between hot surface and surrounding air is 45°C and the film temp = 50 °C, Air properties (k = 0.02735 W/m.K, a =2.487E-5 m /s, v=1.798E-5 m /s, Pr = 0.7228). What is the plate spacing (mm) that maximizes heat transfer from the array? Select one: A. 9.21 B. 8.29 C. 11.58 D. 10.02 E. 10.86
Transcribed Image Text:A hot isothermal surface is to be cooled by attaching an array of parallel, equally spaced vertical square plates, side length =405 mm, AT between hot surface and surrounding air is 45°C and the film temp = 50 °C, Air properties (k = 0.02735 W/m.K, a =2.487E-5 m /s, v=1.798E-5 m /s, Pr = 0.7228). What is the plate spacing (mm) that maximizes heat transfer from the array? Select one: A. 9.21 B. 8.29 C. 11.58 D. 10.02 E. 10.86
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