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Dincer (Inter. J. Heat and Mass Transfer, 37, 2781, 1994) presents the following data for the heat transfer coefficient observed in the cooling, in air, of cucumbers Compare the data (see below) to the following correlation for flow over a cylinder:

Dincer (Inter. J. Heat and Mass Transfer, 37, 2781, 1994) presents the following data for the heat transfer coefficient observed in the cooling, in air, of cucumbers Compare the data (see below) to the following correlation for flow over a cylinder:

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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Dincer (Inter. J. Heat and Mass Transfer, 37, 2781, 1994) presents the following data for the heat transfer coefficient observed in the cooling, in air, of cucumbers. Compare the data (see below) to the following correlation for flow over a cylinder: Nu 0.52 = 0.35 +0.56 Re 0.3 DATA: Prº The cucumbers have a length of 0.16 m and a diameter of 3.8 cm. The physical properties are: p = 964 kg/m³, k = 0.62 W/m K, a = 1.5 x 10-7 m²/s. Compare your result to one in which you use the physical properties of liquid water. Velocity (m/s) h (W/m² s K) 18.2 19.9 21.3 23.1 26.6 1.0 1.25 1.5 1.75 2.0
Transcribed Image Text:Dincer (Inter. J. Heat and Mass Transfer, 37, 2781, 1994) presents the following data for the heat transfer coefficient observed in the cooling, in air, of cucumbers. Compare the data (see below) to the following correlation for flow over a cylinder: Nu 0.52 = 0.35 +0.56 Re 0.3 DATA: Prº The cucumbers have a length of 0.16 m and a diameter of 3.8 cm. The physical properties are: p = 964 kg/m³, k = 0.62 W/m K, a = 1.5 x 10-7 m²/s. Compare your result to one in which you use the physical properties of liquid water. Velocity (m/s) h (W/m² s K) 18.2 19.9 21.3 23.1 26.6 1.0 1.25 1.5 1.75 2.0
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