convectionIdeal an ___fluid is one which has no viscosity, surface tension and is incompressible Water can be treated as ideal fluid Viscosity property of fluid which determines the resistance to shear stresses Cohesion viscosity is due to ____ and molec

123456789101112131415
Across
  1. 2. ____function whose partial derivative with respect to any direction gives the velocity component at right angles.
  2. 6. can be treated as ideal fluid
  3. 7. ____number is a convenient measure of convective heat transfer coefficient.
  4. 8. property of fluid which determines the resistance to shear stresses
  5. 12. Thermal diffusivity indicates the heat energy transfer by ____process
  6. 14. lines where velocity potential is constant
  7. 15. for irrotational flow , both stream function and velocity function satisfy ____equation
Down
  1. 1. ____number is the ratio of heat transfer coefficient to the flow of heat per unit temperature rise due to the velocity of the fluid.
  2. 3. the shear stress of fluid element is ____proportional to the rate of shear strain
  3. 4. _____number is related with natural convection heat transfer
  4. 5. viscosity is due to ____ and molecular momentum between fluid
  5. 9. potential function exist for ____ flow
  6. 10. velocity potential negative derivative with respect to any direction gives fluid ____in that direction
  7. 11. an ___fluid is one which has no viscosity, surface tension and is incompressible
  8. 13. _____number is the ratio of mass heat flow rate by convection to the flow rate by conduction under a unit temperature gradient and through a thickness L.