Question

Heat transfer coefficients for free convection in gases, forced convection in gases and vapours, and for boiling water lie, respectively, in the range of

• A.
  $5-15,20-200and3000-50000W/m^{2}K$
• B.
  $20-50,200-500and50000-100000W/m^{2}K$
• C.
  $50-100,500-1000and100000-100000W/m^{2}K$
• D.
  $20-100,200-1000andaConstant1000000W/m^{2}K$

Answer 1

The correct option is A

$5-15,20-200and3000-50000W/m^{2}K$
$5-15,20-200and3000-50000W/m^{2}K$