# Reconsider Prob. 1021E. Using EES (or other) software, investigate the effect of surface temperature of the heating element on the

## Question:

Reconsider Prob. 10–21E. Using EES (or other) software, investigate the effect of surface temperature of the heating element on the boiling heat transfer coefficient, the electric power, and the rate of evaporation of water. Let the surface temperature vary from 260°F to 300°F. Plot the boiling heat transfer coefficient, the electric power consumption, and the rate of evaporation of water as a function of the surface temperature, and discuss the results.

**Data from problem 21**

Water is boiled at 250°F by a 2-ft-long and 0.5-in diameter nickel-plated electric heating element maintained at 280°F. Determine

(a) The boiling heat transfer coefficient,

(b) The electric power consumed by the heating element, and

(c) The rate of evaporation of water.

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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**

**10**- BOILING AND CONDENSATION

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