A long cylinder of 30-mm diameter, initially at a uniform temperature of 1100 K, is suddenly quenched in a large, constant- temperature oil bath at 350 K. The cylinder properties are k = 1.7 W/m-K, c = 1600 J/kg-K, and p = 400 kg/m³, while the convection coefficient is 54 W/m².K. Physical Properties Mathematical Functions Step 1 When deciding if the lumped capacitance method can be used, what is the value of the Biot number? Bic Save for Later Using multiple attempts will impact your score. 100% score reduction after attempt 6 Step 2 When using the one-term approximation for transient 1-D conduction, what is the value of the applicable Biot number? Use Table 5.1. Bi = Attempts: 0 of 7 used Submit Answer i

A long cylinder of 30-mm diameter, initially at a uniform temperature of 1100 K, is suddenly quenched in a large, constant- temperature oil bath at 350 K. The cylinder properties are k = 1.7 W/m-K, c = 1600 J/kg-K, and p = 400 kg/m³, while the convection coefficient is 54 W/m².K. Physical Properties Mathematical Functions Step 1 When deciding if the lumped capacitance method can be used, what is the value of the Biot number? Bic Save for Later Using multiple attempts will impact your score. 100% score reduction after attempt 6 Step 2 When using the one-term approximation for transient 1-D conduction, what is the value of the applicable Biot number? Use Table 5.1. Bi = Attempts: 0 of 7 used Submit Answer i

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter1: Basic Modes Of Heat Transfer

Section: Chapter Questions

Problem 1.68P

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