Q2- Determine: A small solid at temperature of 85 °C is to be cooled in a cooling chamber maintained at 10 °C. 1- The time required for the temperature of the solid to reach 13 °C if the proportionality constant is a = 0.002/m² with a contacting surface area A = 0.2 m². 2- The temperature of the ball after 30 s. 3- The final temperature of the ball.

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 1.22P: 1.22 In order to prevent frostbite to skiers on chair lifts, the weather report at most ski areas...
icon
Related questions
Question
Q2-
Determine:
A small solid at temperature of 85 °C is to be cooled in a cooling chamber maintained at 10 °C.
1- The time required for the temperature of the solid to reach 13 °C if the proportionality constant is a =
0.002/m² with a contacting surface area A = 0.2 m².
2- The temperature of the ball after 30 s.
3- The final temperature of the ball.
Bulk environmental
temperature = T₁
AZ
Surface area, A-
Solid
T(t)
Initial solid temperature, To
Transcribed Image Text:Q2- Determine: A small solid at temperature of 85 °C is to be cooled in a cooling chamber maintained at 10 °C. 1- The time required for the temperature of the solid to reach 13 °C if the proportionality constant is a = 0.002/m² with a contacting surface area A = 0.2 m². 2- The temperature of the ball after 30 s. 3- The final temperature of the ball. Bulk environmental temperature = T₁ AZ Surface area, A- Solid T(t) Initial solid temperature, To
Expert Solution
steps

Step by step

Solved in 4 steps

Blurred answer
Knowledge Booster
Radiation
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Principles of Heat Transfer (Activate Learning wi…
Principles of Heat Transfer (Activate Learning wi…
Mechanical Engineering
ISBN:
9781305387102
Author:
Kreith, Frank; Manglik, Raj M.
Publisher:
Cengage Learning