# Consider a flat plate positioned inside a wind tunnel, and air at 1 atm and 20C is flowing with a

## Question:

Consider a flat plate positioned inside a wind tunnel, and air at 1 atm and 20°C is flowing with a free stream velocity of 60 m/s. What is the minimum length of the plate necessary for the Reynolds number to reach 2 × 10^{7}? If the critical Reynolds number is 5 × 10^{5}, what type of flow regime would the airflow experience at 0.2 m from the leading edge?

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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: 43

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