Derive a formula for capillary rise (h) between two concentric glass tubes of radiuses RI and R2, shown in Fig. (1), & determine its value for water if (O.-0.072 N/m, RI-30mm, & R2=36mm) (Take smooth and very clean glass tubes). R2 RI Top View Fig. (1)

Derive a formula for capillary rise (h) between two concentric glass tubes of radiuses RI and R2, shown in Fig. (1), & determine its value for water if (O.-0.072 N/m, RI-30mm, & R2=36mm) (Take smooth and very clean glass tubes). R2 RI Top View Fig. (1)

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

8th Edition

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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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Concept explainers

Properties of Fluids

The term fluid represents a type of substance that can easily change its shape under any external pressure/force and can flow. Fluids can acquire any shape in which it is stored and can resist normal stresses but cannot resist shear stress in rest condition. Whenever external shear stress is applied to fluids, it starts to flow. The fluids may be liquid or gas. Example- water, air, etc.

Question

Derive a formula for capillary rise (h) between two concentric glass tubes of radiuses RI
and R2, shown in Fig. (1), & determine its value for water if (ou= 0.072 N/m, R1-30mm,
& R2=36mm) (Take smooth and very clean glass tubes).
A
A
R2
RI
Top View
Fig. (1)

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