# A rectangular bar with a characteristic length of 0.5 m is placed in a free stream flow where the convection

## Question:

A rectangular bar with a characteristic length of 0.5 m is placed in a free stream flow where the convection heat transfer coefficients were found to be 100 W/m^{2} · K and 50 W/m^{2}· K when the free stream velocities were 25 m/s and 5 m/s, respectively. If the Nusselt number can be expressed as Nu = C Rem Prn, where C, m, and n are constants, determine the convection heat transfer coefficients for similar bars with

(a) L = 1 m and V = 5 m/s,

(b) L = 2 m and V = 50 m/s.

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**Related Book For**

## Heat And Mass Transfer Fundamentals And Applications

**ISBN:** 9780073398181

5th Edition

**Authors:** Yunus Cengel, Afshin Ghajar

**Question Details**

Chapter #

**6**- FUNDAMENTALS OF CONVECTIONSection: Problems

Problem: 103

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