Homework Help is Here – Start Your Trial Now!
Engineering
Mechanical Engineering
A rectangular aliminium bar 0.06 m by 0.03 m [k=200 W/(mK), Cp=890 J/(kgK), g=2700 kg/m³,a=8.4x10$m²/s] is initially at a uniform temperature T= 200 °C, suddenly all four surfaces of the road are subjected to convective cooling with a heat transfer coefficient h=200 W/(m²K) into an ambient at T = 27 °C. Determine the center temperature To of the bar at t-60 s after the start of the cooling t >0 h = 200 W/m²K T, = 27 °C T, = 27 °C h = 200 W /m²K T, = 27 °C h = 200 W/m²K t>0 0.03 m T = 27 °C, t = 0 t >0 0.06 m T, = 27 °C h = 200 W/m²K t>0

A rectangular aliminium bar 0.06 m by 0.03 m [k=200 W/(mK), Cp=890 J/(kgK), g=2700 kg/m³,a=8.4x10$m²/s] is initially at a uniform temperature T= 200 °C, suddenly all four surfaces of the road are subjected to convective cooling with a heat transfer coefficient h=200 W/(m²K) into an ambient at T = 27 °C. Determine the center temperature To of the bar at t-60 s after the start of the cooling t >0 h = 200 W/m²K T, = 27 °C T, = 27 °C h = 200 W /m²K T, = 27 °C h = 200 W/m²K t>0 0.03 m T = 27 °C, t = 0 t >0 0.06 m T, = 27 °C h = 200 W/m²K t>0

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
See similar textbooks
icon
Related questions
Question

can you answer this question

QUESTION 4 A rectangular aliminium bar 0.06 m by 0.03 m [k-200 W/(mK), Cp-890 J/(kgK), g=2700 kg/m³,a=8.4x10-$m²/s] is initially at a uniform temperature T= 200 °C, suddenly all four surfaces of the road are subjected to convective cooling with a heat transfer coefficient h=200 W/(m²K) into an ambient at T = 27 °C. Determine the center temperature To of the bar at t=60 s after the start of the cooling t > 0 h = 200 W/m²K T, = 27 °C T = 27 °C h = 200 W /m²K t > 0 T. = 27 °C 0.03 m T; = 27 °C, t = 0 h = 200 W /m²K t >0 0.06 m T. = 27 °C h = 200 W /m²K t>0
Transcribed Image Text:QUESTION 4 A rectangular aliminium bar 0.06 m by 0.03 m [k-200 W/(mK), Cp-890 J/(kgK), g=2700 kg/m³,a=8.4x10-$m²/s] is initially at a uniform temperature T= 200 °C, suddenly all four surfaces of the road are subjected to convective cooling with a heat transfer coefficient h=200 W/(m²K) into an ambient at T = 27 °C. Determine the center temperature To of the bar at t=60 s after the start of the cooling t > 0 h = 200 W/m²K T, = 27 °C T = 27 °C h = 200 W /m²K t > 0 T. = 27 °C 0.03 m T; = 27 °C, t = 0 h = 200 W /m²K t >0 0.06 m T. = 27 °C h = 200 W /m²K t>0
Expert Solution
steps

Step by step

Solved in 2 steps

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Knowledge Booster
Dimensional Analysis
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.
Recommended textbooks for you
Elements Of Electromagnetics
Elements Of Electromagnetics
Mechanical Engineering
ISBN:
9780190698614
Author:
Sadiku, Matthew N. O.
Publisher:
Oxford University Press
Mechanics of Materials (10th Edition)
Mechanics of Materials (10th Edition)
Mechanical Engineering
ISBN:
9780134319650
Author:
Russell C. Hibbeler
Publisher:
PEARSON
Thermodynamics: An Engineering Approach
Thermodynamics: An Engineering Approach
Mechanical Engineering
ISBN:
9781259822674
Author:
Yunus A. Cengel Dr., Michael A. Boles
Publisher:
McGraw-Hill Education
Control Systems Engineering
Control Systems Engineering
Mechanical Engineering
ISBN:
9781118170519
Author:
Norman S. Nise
Publisher:
WILEY
Mechanics of Materials (MindTap Course List)
Mechanics of Materials (MindTap Course List)
Mechanical Engineering
ISBN:
9781337093347
Author:
Barry J. Goodno, James M. Gere
Publisher:
Cengage Learning
Engineering Mechanics: Statics
Engineering Mechanics: Statics
Mechanical Engineering
ISBN:
9781118807330
Author:
James L. Meriam, L. G. Kraige, J. N. Bolton
Publisher:
WILEY
SEE MORE TEXTBOOKS