Fluid Mechanics
8th Edition
ISBN: 9780073398273
Author: Frank M. White
Publisher: McGraw-Hill Education
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Chapter 1, Problem 1.70P
Derive an expression for the capillary height change h for a fluid of surface tension Y and contact angle
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EX 4: Derive an expression for the capillary-
height change h, as shown, for a fluid of
surface tension Y and contact angle e be-
tween two parallel plates W apart. Evaluate
h for water at 20°C if W = 0.5 mm.
Width
b into
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Fig. P1.70
In Fig.the tank contains water and immiscibleoil at 20 ° C. What is h in cm if the density of the oil is898 kg/m 3 ?
Chapter 1 Solutions
Fluid Mechanics
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Similar questions
- When a clean glass tube with a diameter of 2 mm is immersed in water at 20 ° C, how many mm will the capillary rise occur in the glass tube? For water at 20 ° C, surface tension is given as 0.073 N / m, density 1000 kg / m3, contact angle 0 ° C and gravitational acceleration 10 m / s2.arrow_forwardA 25 m high vertical column of a fluid of density 1800 kg/m³ exists in a place where g= 9.6 m/s?. What is the pressure at the base of the column in kPa?arrow_forwardFor a liquid with the contact angle of 53.6 degrees and surface tension of 0.075 N/m, capillary rise is 2.50 m. What is the expected capillary rise in meters if the liquid is replaced with another with a contact angle of 12.7 degrees and a similar surface tension? (answer should be accurate to 2 decimal places) Answer:arrow_forward
- I need the answer as soon as possiblearrow_forwardI need the answer as soon as possiblearrow_forward2 A US Navy nuclear submarine (mass m = 10,000,000 kg) is cruising under the Arctic ice sheet at a depth of 200 m. (a) If the submarine is maintaining constant depth while cruising, what is the size of the buoyant force on it? (b) Assuming that the density of seawater is 1023 kg/m3, what is the volume of the submarine? (c) What is the water pressure at the cruising depth of the submarine (remember that the pressure increase due to the depth has to be added to the pressure at the surface, which is the atmospheric pressure PATM = 101,000 Pa)? (d) This submarine is fitted with a circular window of area A = 0.1 m2. Find the net force on this window (i.e., force from outside minus force from the inside) assuming that the air pressure inside the submarine is equal to PATM.arrow_forward
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