Fundamentals of Heat and Mass Transfer
7th Edition
ISBN: 9780470917855
Author: Bergman, Theodore L./
Publisher: John Wiley & Sons Inc
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Chapter 10, Problem 10.22P
To determine
The proof that dimension analysis on Kutateladze postulate yields the following expression for critical heat flux
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Required information
Problem 01.039 -Viscosity Analysis
The dynamic viscosity of air at 20°C is μ≈ 1.80E-5 Pa·s. Estimate the viscosity of air at various temperatures by the below
mentioned methods.
Problem 01.039.c - Viscosity Analysis (Corresponding States Law)
Determine the viscosity of air at 500°C by the Law of Corresponding States.
E-5 kg/(m.s)
Pravinbhai
A study of the physical characteristic of honey was conducted due to thelarge demand of royal jelly. A capillary tube viscometer was used by aresearcher in determining the viscosity of the honey. The viscometer is250 mm long with an outside diameter of 55mm and effective thickness of2.5mm and was used horizontally so that the effect of gravity wasneglected. At an ambient temperature of 30oC the following data werecollected:
ΔP (Pa) Q (cc/s)10.0 1.2512.5 1.5515 1.8017.5 2.0520.0 2.55
What will be the stress produced per unit length in the tube used in theproduction of royal jelly if it has a radius of 5mm and a flow of 1 capsuleper second. (1 capsule = 0.85 cc of royal jelly).
Chapter 10 Solutions
Fundamentals of Heat and Mass Transfer
Ch. 10 - Show that, for water at 1-atm pressure with...Ch. 10 - The surface of a horizontal. 7-mm-diameter...Ch. 10 - The role of surface tension in bubble formation...Ch. 10 - Estimate the heat transfer coefficient, h,...Ch. 10 - Prob. 10.5PCh. 10 - Prob. 10.6PCh. 10 - Prob. 10.7PCh. 10 - Prob. 10.8PCh. 10 - Calculate the critical heat flux on a large...Ch. 10 - Prob. 10.11P
Ch. 10 - Prob. 10.12PCh. 10 - Prob. 10.13PCh. 10 - Prob. 10.15PCh. 10 - Prob. 10.16PCh. 10 - Consider a gas-fired boiler in which five coiled,...Ch. 10 - Prob. 10.18PCh. 10 - Prob. 10.19PCh. 10 - Prob. 10.20PCh. 10 - Prob. 10.22PCh. 10 - Prob. 10.24PCh. 10 - Prob. 10.25PCh. 10 - A small copper sphere, initially at a uniform,...Ch. 10 - Prob. 10.28PCh. 10 - A disk-shaped turbine rotor is heat-treated by...Ch. 10 - A steel bar, 20 mm in diameter and 200 mm long,...Ch. 10 - Electrical current passes through a horizontal....Ch. 10 - Consider a horizontal. D=1 -mm-diameter platinum...Ch. 10 - Prob. 10.34PCh. 10 - Prob. 10.35PCh. 10 - Prob. 10.36PCh. 10 - Prob. 10.37PCh. 10 - A polished copper sphere of 10-mm diameter,...Ch. 10 - Prob. 10.39PCh. 10 - Prob. 10.40PCh. 10 - Consider refrigerant R-134a flowing in a smooth,...Ch. 10 - Determine the tube diameter associated with p=1...Ch. 10 - Saturated steam at 0.1 bar condenses with a...Ch. 10 - Prob. 10.45PCh. 10 - Prob. 10.46PCh. 10 - Prob. 10.47PCh. 10 - Prob. 10.48PCh. 10 - Prob. 10.50PCh. 10 - Prob. 10.53PCh. 10 - The condenser of a steam power plant consists of...Ch. 10 - Prob. 10.56PCh. 10 - Prob. 10.61PCh. 10 - Prob. 10.62PCh. 10 - A technique for cooling a multichip module...Ch. 10 - Determine the rate of condensation on a 100-mm...Ch. 10 - Prob. 10.66PCh. 10 - Prob. 10.67PCh. 10 - Prob. 10.70PCh. 10 - Prob. 10.71PCh. 10 - Prob. 10.74PCh. 10 - Prob. 10.75PCh. 10 - A thin-walled cylindrical container of diameter D...
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- Predict the dimensionless groups relating heat transfer coefficient h to the other variables. Choose k, u, and g to be the recurring variables (common to several the dimensionless groups), and the rest occur only once in each dimensionless group. Arrange the variables in the order given in the table when assigning exponents.arrow_forwardA laboratory capillary pressure test was conducted on a core sample taken from the Nameless Field. The core has a porosity and permeability of 16% and 80 md, respectively. The capillary pressure-saturation data are given as follows: Sw Per psi 1.0 0.50 0.8 0.60 0.6 0.75 0.4 1.05 0.2 1.75 The interfacial tension is measured at 50 dynes/cm. Further reservoir engineering analysis indicated that the reservoir is better described at a porosity value of 19% and an absolute permeability of 120 md. Generate the capillary pressure data for the reservoir. Sw Pc,old Pc,new 1 0.5 0.15 0.8 0.6 0.17 0.6 0.75 0.22 0.4 1.05 0.31 0.2 1.75 0.51arrow_forwardPlease show me the full solution so that I will understand it, I'm having a tough time with this question. Thank you very much.arrow_forward
- Required information Problem 01.039 -Viscosity Analysis The dynamic viscosity of air at 20°C is μ= 1.80E-5 Pa·s. Estimate the viscosity of air at various temperatures by the below mentioned methods. Problem 01.039.b - Viscosity Analysis (Sutherland Law) Determine the viscosity of air at 500°C by the Sutherland law. E-5 kg/(m.s)arrow_forwardA study of the physical characteristic of honey was conducted due to the large demand of royal jelly. A capillary tube viscometer was used by a researcher in determining the viscosity of the honey. The viscometer is 250 mm long with an outside diameter of 55mm and effective thickness of 2.5mm and was used horizontally so that the effect of gravity was neglected. At an ambient temperature of 300C the following data were collected: \ΔΡ (Pa) Q (cc/s) 10.0 1.25 12.5 1.55 15 1.80 17.5 2.05 20.0 2.55 What will be the stress produced per unit length in the tube used in the production of royal jelly if it has a radius of 5mm and a flow of 1 capsule per second. (1 capsule = 0.85 cc of royal jelly).arrow_forwardIs the pi group 4 already an acceptable form or answer or do you always have to modify it into the Reynold's number?arrow_forward
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- I need the answer as soon as possiblearrow_forward25arrow_forward9:25 G令. View Recordings PROBLEM SET A (4 problems) Problem 1 The sliding plate viscometer shown below is used to mensture the viscosity of a fluid. The top plate is movmg to the right with a coustant velocity of 10 m's in re stationary. What is the viscosity of the fluid? Assume a linear velocity distribution e to a force of 3 N. The bottom plate is to m 1 mm Problem 2 Calculate the density and specific weight of carbou dioxide at a pressure of 300 kN'm“ absolute and 60°C. Problem 3 A 10 m' oxygen tank is at 15°C and 800 kPa. The valve is opened, and some oxygen is released until the pressure in the tank drops to 600 kPa. Calculate the mass of oxygen that has been released from the tank if the temperature in the tank does not change during the process. 40:45 59:06 C ||arrow_forward
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