Q2: 0.2 m diameter, 4 mm thick, k-120 W/m.ºC disc is welded to 10 cm diameter hot bar at 120 °C (heater). The system is exposed to air at 20 °C, heat transfer coefficient is 12 W/m². C. Calculate the rate of heat transfer through the disc.
Q2: 0.2 m diameter, 4 mm thick, k-120 W/m.ºC disc is welded to 10 cm diameter hot bar at 120 °C (heater). The system is exposed to air at 20 °C, heat transfer coefficient is 12 W/m². C. Calculate the rate of heat transfer through the disc.
Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
8th Edition
ISBN:9781305387102
Author:Kreith, Frank; Manglik, Raj M.
Publisher:Kreith, Frank; Manglik, Raj M.
Chapter1: Basic Modes Of Heat Transfer
Section: Chapter Questions
Problem 1.68P
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![Q2: 0.2 m diameter, 4 mm thick, k-120 W/m.ºC disc is welded to 10 cm diameter
hot bar at 120 °C (heater). The system is exposed to air at 20 °C, heat transfer
coefficient is 12 W/m².°C. Calculate the rate of heat transfer through the disc.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F44533b80-fcd4-49b7-be2e-ec038a985a3a%2F2270d031-d43c-40a5-8a78-74a7eeb0193e%2Fdrpjwil_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Q2: 0.2 m diameter, 4 mm thick, k-120 W/m.ºC disc is welded to 10 cm diameter
hot bar at 120 °C (heater). The system is exposed to air at 20 °C, heat transfer
coefficient is 12 W/m².°C. Calculate the rate of heat transfer through the disc.
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