Prob.5. Calculate the capillary effect in millimetres in a glass tube of 4 mm diameter, when immersed in mercury. The temperature of the liquid is 20° C and the value of surface tension of mercury at 20°C in contact with air is 0,51 N/m. Take contact angle as 130° and specific weight 133 kN/m².

Prob.5. Calculate the capillary effect in millimetres in a glass tube of 4 mm diameter, when immersed in mercury. The temperature of the liquid is 20° C and the value of surface tension of mercury at 20°C in contact with air is 0,51 N/m. Take contact angle as 130° and specific weight 133 kN/m².

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter5: Analysis Of Convection Heat Transfer

Section: Chapter Questions

Problem 5.5P: Evaluate the dimensionless groups hcD/k,UD/, and cp/k for water, n-butyl alcohol, mercury, hydrogen,...

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Prob.5. Calculate the capillary effect in millimetres in a glass tube of 4
mm diameter, when immersed in mercury. The temperature of the liquid is
20° C and the value of surface tension of mercury at 20°C in contact with air
is 0.51 N/m. Take contact angle as 130° and specific weight 133 kN/m².

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