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Reynolds number is replaced by a modulus significant of the agitation of the fluid particles in nucleate boiling. Such a dimensionless modulus is defined by the relation
Where, D is the average bubble diameter, G is the mass velocity of the bubble per unit area and δ f is the fluid viscosity
  • a)
    Re = 2 D b/δ f
  • b)
    Re = D b/δ f
  • c)
    Re = ½ D b/δ f
  • d)
    Re = 3 D b/δ f
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
Reynolds number is replaced by a modulus significant of the agitation ...
This nucleate boiling regime is of great importance because of the very high heat fluxes possible with moderate temperature differences.
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Reynolds number is replaced by a modulus significant of the agitation of the fluid particles in nucleate boiling. Such a dimensionless modulus is defined by the relationWhere, Dbis the average bubble diameter, Gbis the mass velocity of the bubble per unit area and δfis the fluid viscositya)Reb= 2 DbGb/δfb)Reb= DbGb/δfc)Reb= ½ DbGb/δfd)Reb= 3 DbGb/δfCorrect answer is option 'B'. Can you explain this answer?
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