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Estimate the value of the mass-transfer coefficient in a stream of air at 325.6 K flowing in a duct past the following shapes made of solid naphthalene. The velocity of the air is 1.524 m/s at 325.6 K and 202.6 kPa. The DAB of naphthalene in air is 5.16 x 106 m²/s at 273 K and 101.3 kPa. a) For air flowing parallel to a flat plate 0.152 m in length. b) For air flowing past a single sphere 12.7 mm in diameter.

Estimate the value of the mass-transfer coefficient in a stream of air at 325.6 K flowing in a duct past the following shapes made of solid naphthalene. The velocity of the air is 1.524 m/s at 325.6 K and 202.6 kPa. The DAB of naphthalene in air is 5.16 x 106 m²/s at 273 K and 101.3 kPa. a) For air flowing parallel to a flat plate 0.152 m in length. b) For air flowing past a single sphere 12.7 mm in diameter.

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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Mass transfer question
Estimate the value of the mass-transfer coefficient in a stream of air at 325.6 K flowing in a duct past the following shapes made of solid naphthalene. The velocity of the air is 1.524 m/s at 325.6 K and 202.6 kPa. The DAB of naphthalene in air is 5.16 x 106 m²/s at 273 K and 101.3 kPa. a) For air flowing parallel to a flat plate 0.152 m in length. b) For air flowing past a single sphere 12.7 mm in diameter.
Transcribed Image Text:Estimate the value of the mass-transfer coefficient in a stream of air at 325.6 K flowing in a duct past the following shapes made of solid naphthalene. The velocity of the air is 1.524 m/s at 325.6 K and 202.6 kPa. The DAB of naphthalene in air is 5.16 x 106 m²/s at 273 K and 101.3 kPa. a) For air flowing parallel to a flat plate 0.152 m in length. b) For air flowing past a single sphere 12.7 mm in diameter.
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