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6.32- Consider a wall-mounted power transistor that dissipates 0.18W of power in an environment at 35C°. The transistor is 0.45cm long and has a diameter of 0.4cm. The emissivity of the outer surface of the transistor is 0.1, and the average temperature of the surrounding surfaces is 25C°. Disregarding any heat transfer from the base surface, determine the surface temperature of the transistor. Use air properties at 100C°. Answer: 183CO 35°C Power transistor 0.4 cm 0.18 W ɛ = 0.1 0.45 cm

6.32- Consider a wall-mounted power transistor that dissipates 0.18W of power in an environment at 35C°. The transistor is 0.45cm long and has a diameter of 0.4cm. The emissivity of the outer surface of the transistor is 0.1, and the average temperature of the surrounding surfaces is 25C°. Disregarding any heat transfer from the base surface, determine the surface temperature of the transistor. Use air properties at 100C°. Answer: 183CO 35°C Power transistor 0.4 cm 0.18 W ɛ = 0.1 0.45 cm

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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6.32- Consider a wall-mounted power transistor that dissipates 0.18W of power in an environment at 35C°. The transistor is 0.45cm long and has a diameter of 0.4cm. The emissivity of the outer surface of the transistor is 0.1, and the average temperature of the surrounding surfaces is 25C°. Disregarding any heat transfer from the base surface, determine the surface temperature of the transistor. Use air properties at 100C°. Answer: 183C° 35°C Power transistor 0.4 cm 0.18 W 8 = 0.1 -0.45 cm
Transcribed Image Text:6.32- Consider a wall-mounted power transistor that dissipates 0.18W of power in an environment at 35C°. The transistor is 0.45cm long and has a diameter of 0.4cm. The emissivity of the outer surface of the transistor is 0.1, and the average temperature of the surrounding surfaces is 25C°. Disregarding any heat transfer from the base surface, determine the surface temperature of the transistor. Use air properties at 100C°. Answer: 183C° 35°C Power transistor 0.4 cm 0.18 W 8 = 0.1 -0.45 cm
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