A short bronze cylinder of diameter 6 cm and length 12 cm is initially at 40°C and then plunged into a fluid at 200°C. The temperature at the centre of the cylinder is measured by a thermocouple to be 150°C after 5 minutes. What is the convective heat transfer coefficient between the cylinder and the fluid? The following properties of the bronze cylinder may be used: Thermal conductivity k = 26 W/m-K, density p = 8800 kg/m³, and specific heat c 420 J/kg-K. State and justify all assumptions made.
A short bronze cylinder of diameter 6 cm and length 12 cm is initially at 40°C and then plunged into a fluid at 200°C. The temperature at the centre of the cylinder is measured by a thermocouple to be 150°C after 5 minutes. What is the convective heat transfer coefficient between the cylinder and the fluid? The following properties of the bronze cylinder may be used: Thermal conductivity k = 26 W/m-K, density p = 8800 kg/m³, and specific heat c 420 J/kg-K. State and justify all assumptions made.
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.
Chapter3: Transient Heat Conduction
Section: Chapter Questions
Problem 3.10P: 3.10 A spherical shell satellite (3-m-OD, 1.25-cm-thick stainless steel walls) re-enters the...
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![2 (a) A short bronze cylinder of diameter 6 cm and length 12 cm is initially at 40°C and
then plunged into a fluid at 200°C. The temperature at the centre of the cylinder is
measured by a thermocouple to be 150°C after 5 minutes. What is the convective heat
transfer coefficient between the cylinder and the fluid?
The following properties of the bronze cylinder may be used:
Thermal conductivity k = 26 W/m-K, density p = 8800 kg/m², and specific heat c =
420 J/kg-K. State and justify all assumptions made.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F94a0999c-02f0-4665-9e8e-7ab7c61f0861%2F0bc53083-8d5a-4f7d-a125-2352a2812ec2%2Fwczo2a_processed.png&w=3840&q=75)
Transcribed Image Text:2 (a) A short bronze cylinder of diameter 6 cm and length 12 cm is initially at 40°C and
then plunged into a fluid at 200°C. The temperature at the centre of the cylinder is
measured by a thermocouple to be 150°C after 5 minutes. What is the convective heat
transfer coefficient between the cylinder and the fluid?
The following properties of the bronze cylinder may be used:
Thermal conductivity k = 26 W/m-K, density p = 8800 kg/m², and specific heat c =
420 J/kg-K. State and justify all assumptions made.
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