Q3 ) A 2-kW resistance heater wire with thermal conductivity of k 20 W/m °C, a diameter of D = 5 mm, and a length of L = 0.7 m is used to boil water. If the outer surface temperature of the resistance wire is Ts = 110°C, determine the temperature at the center of the wire. Ans: 121.4 °C 110°C -Resistance heater
Q3 ) A 2-kW resistance heater wire with thermal conductivity of k 20 W/m °C, a diameter of D = 5 mm, and a length of L = 0.7 m is used to boil water. If the outer surface temperature of the resistance wire is Ts = 110°C, determine the temperature at the center of the wire. Ans: 121.4 °C 110°C -Resistance heater
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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for chemical engineers
![Q3 ) A 2-KW resistance heater wire with thermal conductivity of k 20 W/m • °C,
a diameter of D = 5 mm, and a length of L = 0.7 m is used to boil water. If
the outer surface temperature of the resistance wire is Ts = 110°C, determine
the temperature at the center of the wire.
Ans: 121.4 °C
110°C
-Resistance
heater](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F93201fca-5730-4e6e-9e15-3568f7e0d408%2Fa948e5a8-d619-4b7f-bb75-930c188ab8e5%2Fua8561g_processed.png&w=3840&q=75)
Transcribed Image Text:Q3 ) A 2-KW resistance heater wire with thermal conductivity of k 20 W/m • °C,
a diameter of D = 5 mm, and a length of L = 0.7 m is used to boil water. If
the outer surface temperature of the resistance wire is Ts = 110°C, determine
the temperature at the center of the wire.
Ans: 121.4 °C
110°C
-Resistance
heater
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