Mechanical Engineering - Heat Transfer, Refrigeration and Air Conditioning - Discussion
Discussion Forum : Heat Transfer, Refrigeration and Air Conditioning - Section 3 (Q.No. 50)
50.
The unit of thermal diffusivity is
Discussion:
7 comments Page 1 of 1.
GAURAV said:
5 years ago
There is only h instead of hr in options.
GAURAV said:
5 years ago
What is h there?
Ankit said:
6 years ago
J/m/K/s.
Is it a correct unit for thermal conductivity? Am I right?
Is it a correct unit for thermal conductivity? Am I right?
Aman said:
6 years ago
What is h over here? Please tell me.
Hrishi Hinge said:
7 years ago
Thank you so much @Vishwas Patel.
Hujd said:
8 years ago
Perfect answer @Patel.
Vishwas Patel said:
9 years ago
Thermal diffusivity=K/(rho - Cp).
K = Conductivity, rho = Density, Cp = Specific heat.
Units: K= KJ/m h K.
rho = Kg/m^3.
Cp = KJ/ Kg K.
So unit of thermal diffusivity will be m^2/h.
K = Conductivity, rho = Density, Cp = Specific heat.
Units: K= KJ/m h K.
rho = Kg/m^3.
Cp = KJ/ Kg K.
So unit of thermal diffusivity will be m^2/h.
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