Chemical Engineering - Heat Transfer - Discussion
Discussion Forum : Heat Transfer - Section 1 (Q.No. 48)
48.
Which of the following is concerned with both heat and mass transfer ?
Discussion:
3 comments Page 1 of 1.
Akshay Sharma said:
9 years ago
The Lewis number (Le) is a dimensionless number defined as the ratio of thermal diffusivity to mass diffusivity. It is used to characterise fluid flows where there is simultaneous heat and mass transfer.
It is defined as;
Le = α/D.
It is defined as;
Le = α/D.
PAWAN said:
8 years ago
The Lewis number (Le) is a dimensionless number defined as the ratio of thermal diffusivity to mass diffusivity.
Srikrishna yadav said:
1 decade ago
Lewis Number=Schmidt number/Prandtl number.
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