ted, pure steam at a temperature of 170 oC condenses on the outer surface of a vertical tube of outer diameter 2 cm and length 1.5 m. The tube surface is maintained at a uniform temperature of 150 oC. Calculate: the local film condensation heat-trans

ted, pure steam at a temperature of 170 oC condenses on the outer surface of a vertical tube of outer diameter 2 cm and length 1.5 m. The tube surface is maintained at a uniform temperature of 150 oC. Calculate: the local film condensation heat-trans

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.

Chapter9: Heat Transfer With Phase Change

Section: Chapter Questions

Problem 9.25P

See similar textbooks

Related questions

Q: Q.5- Consider the liquid-level control system shown in Figure below. assume that the velocity of the…

A: To find:Determine the transfer function.

Q: Find the magnitude of the net torque on the wheel in Figure below about the axle through O, taking a…

Q: A thin plate with dimensions 0.65 x 0.65 m and a mass of 5 kg is supported by pins A and B as…

A: The theory of mechanical energy conservation can be used to calculate the maximum angular velocity…

Q: 3) If a small particle has an initial velocity of v. = 13 (ft/s), and a constant deceleration of a =…

A: Data Given : Initial velocity Vo=13 ft/secconstant deceleration a = -2.5 ft/s2Find out : Particle…

Q: Problem 2-5: The rectangular plate is subjected to the deformation shown by the dashed line.…

A: Given data:-The rectangular plate is subjected to deformationDetermine:-The average shear strain in…

Q: Provide a demonstrated drawing of the figure (construct) as well

A: To draw FCC BCC structures

Q: Neglecting kinetic and potential energy effects, determine for the steam exiting the tank: (a) the…

A: To calculate the mass flow rate of the steam at the exit of the tank and the exit temperature of the…

Q: 1. Consider a two-dimensional flow which varies in time and is defined by the velocity field, u = 1…

A: The objective of the question is to analyze a two-dimensional flow field defined by the velocity…

Q: a uniformly distributed load q = 290 kN/m applied in its vertical plane of symmetry at OA part of…

A: Note:- As per honor code and answering guidelines I can answer 1st three sub parts at a time.If you…

Q: discussion: 3.1 For (a) Is it possible for exergy to be negative? Discuss. (b) Consider an evacuated…

A: The exergy and specific physical exergy.Concept used:Exergy:Exergy is a thermodynamic property that…

Q: from rest. 1 Find the angular acceleration of the coil. 2Find the tension in the rope.

A: Given:the mass moment of inertia of the given coil is for a rolling disc or coil, the torque is…

Q: 2. Describe the motion of the pucks in the fo photographs. Assume the pucks move from and do not…

A: Uniform motion is a type of motion where the velocity remains constant whereas acceleration motion…

Q: You are working for a glider manufacturer and have been asked to analyse the laminar boundary layer…

A: The objective of the question is to analyze the laminar boundary layer on a glider's wing. We are…

Q: An overzealous driver wishes to get from one stoplight to the next as fast as possible. Her car's…

A: The maximum acceleration is .The maximum deceleration is The distance between spotlight is The…

Q: A concave mirror is constructed so that a man at a distance of 30 cm from the mirror sees his image…

Q: A steel cantilever beam, of length 2L, has an l-section, see Figure Q3. The cantilever beam is under…

A: Note:- As per honor code and answering guidelines I can answer 1st three sub parts at a time.If you…

Q: A steel cantilever beam, of length 2L, has an I-section, see Figure Q3. The cantilever beam is under…

A: The distributed load is The length is The yield stress is The elastic modulus is The dimension of…

Q: Q₁)A cylindrical resistor element on a circuit board dissipates 0.6 W of power. The resistor is 1.5…

A: Dissipated Power, = 0.6 Wtime, t = 24 hours =243600 = 86400 secondsDiameter, d = 0.4 cm = 0.004…

Q: The value of gravitational acceleration on Earth, 9.8 meters per second squared [m/s] is actually an…

Q: k (glass) = 1.4 W/m-K, from Table A.3 k (air) = 0.0239 W/m-K, from Table A.4, property evaluated @…

A: “Since you have posted multiple questions, we will provide the solution only to the first question…

Q: The last blade row of a turbine has a relative outlet flow angle of 70 degrees. if the relative…

Q: Problem 1-9: The beam supports the distributed load shown. Determine the resultant internal loadings…

A: Given Data:The triangular load varies from w1 = 4 kN/m to w2 =0.The span of the beam is L = 6 m.To…

Q: For the diffusion coefficient K = 0, the above equation becomes: If known: The flow velocity is…

Q: 3) Solve the plane stress problem using two-element model to find displacements and stresses. 15 kN…

Q: Problem 1 A steal structure is loaded as shown. Knowing that F₁ = 10 kN, F₂ = 20 kN and L = 1 m: a)…

A: “Since you have posted multiple questions, we will provide the solution only to the first question…

Q: You are working for a glider manufacturer and have been asked to analyse the laminar boundary layer…

A: Velocity profile equation is given.To find:Show that the pressure on the wing surface is increasing…

Q: Problem 1-53: The bar has a cross-sectional area of 400(106) m². If it is subjected to a uniform…

A: To determine:The average normal stress in the bar as a function of x for

Q: Problem 3-17: The rigid beam is supported by a pin at C and an A992 steel guy wire AB of length 6…

A: Given data:-Length of AB (L) = 6 ft = Diameter of wire = 0.2 inDistributed load Determine:-How much…

Q: 3.3 Evaluate the specific physical exergy, ePH, in kJ/kg, of a stream of (a) saturated water vapor…

Q: Problem 1-73: The steel swivel bushing in the elevator control of an airplane is held in place using…

Q: A cross-section of a beam is shown in Figure Q2. If the shear force 281 KN, determine the value and…

A: Given : The shear force in this section is The diagram is,

Q: Problem 1-5: Determine the resultant internal loadings acting on the cross section at point B. 60…

Q: 1. A water tube boiler generates 7,300 kg of steam per hour at a pressure of1.4 MPa and a quality of…

Q: Complete the following hands-on activity involving the construction of the traditional unit cells of…

Q: A collar of mass m slides without friction on a horizontal rigid rod and is restrained by a pair of…

A: Given:

Q: What to Submit: Submit the following figures and table: • Temperature plot of steam pipe assembly in…

A: Given: THe The inner and outer diameter are The thermal conductivity of cast iron The temperature of…

Q: Velocity (m/s) 4.8 2.4 0.0 -2.4 Velocity vs. Time Velocity (m/s) 8.3 4.2 0.0 -4.2 Velocity vs. Time

A: velocity -time graph

Q: Three masses are suspended vertically by a series of identical springs where mass 1 is at the top…

A: Ans Given Now draw the spring mass system asNow from FBD of the mass we get,

Q: diameter 2 cm and length ter re of 150 °C.

A: Write the properties of steam at the given temperature.

Q: c) What is the value of tensile strength?

A: The aim of this question is to explain the young modulus value, yield strength from the…

Q: calculate the moment about (0) F2301 2 1.5 30 € G 1.2 // 20°

Q: 1.15 The pressure difference, Ap, across a partial blockage artery (called a stenosis) is…

A: is pressure difference is viscosity, is velocity, is diameter.is density, are area

Q: Starting at rest, a hydroplane accelerates at a = 0.8t for the first 10 seconds and then accelerates…

A: “Since you have posted a question with multiple sub parts, we will provide the solution only to the…

Q: 7. The arrangement in the drawing shows a block (mass = 14.0 kg) that is held in position on a…

Q: Problem 1-21: Determine the resultant internal loadings acting on the cross section at point E. The…

Q: Problem 2-20: Determine the average normal strain that occurs along the diagonals AC and DB. 2 mm…

Q: Determination of components of the forces in equilibrium: 1-In the first part of the experiment,…

A: Given:

Q: 4. Working for an engineering consultancy firm, your knowledge of fluid dynamics is required to…

A: Disclaimer from Bartleby:Hello. Since your question has multiple sub-parts, we will solve the first…

Q: a₁ W Figure 37.1 A propeller of an axial flow pump U₁ Outlet guide vane B₁ Impeller A₂ B U₂=U₂=U V12

Q: a) In a steady incompressible two-dimensional flow (V = Uï +Vj), with the aid of sketches give a…

Question

Saturated, pure steam at a temperature of 170 oC condenses on the outer surface of a vertical tube of outer diameter 2 cm and length 1.5 m. The tube surface is maintained at a uniform temperature of 150 oC.

Calculate:

the local film condensation heat-transfer coefficient at the bottom of the tube.
the average condensation heat-transfer coefficient over the entire length of the tube.
the total condensation rate at the tube surface.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1: Write the given data with suitable variables-

VIEW

Step 2: Determine the value of local heat transfer coefficients.

VIEW

Solution

VIEW

Step by step

Solved in 3 steps with 8 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

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

Saturated, pure steam at a temperature of 170 oC condenses on the outer surface of avertical tube of outer diameter 2 cm and length 1.5 m. The tube surface is maintained at auniform temperature of 150 oC.Calculate:a) the local film condensation heat-transfer coefficient at the bottom of the tube. b) the average condensation heat-transfer coefficient over the entire length of the tube. c) the total condensation rate at the tube surface.
Saturated, pure steam at a temperature of 170 °C condenses on the outer surface of a vertical tube of outer diameter 2 cm and length 1.5 m. The tube surface is maintained at a uniform temperature of 150 °C. Calculate: a) the local film condensation heat-transfer coefficient at the bottom of the tube.
Question 3 This question requires the use of the steam property tables (Rogers and Mayhew) uploaded on QM+ exam section. All properties should be evaluated at the temperature of the steam. Saturated, pure steam at a temperature of 170 °C condenses on the outer surface of a vertical tube of outer diameter 2 cm and length 1.5 m. The tube surface is maintained at a uniform temperature of 150 °C. Calculate: the local film condensation heat-transfer coefficient at the bottom of the tube. a)
Discuss the assumptions made in the Nusselt’s theory of film condensation on a vertical plate.
A horizontal pipe of 125-mm-diamter and 1 m long with a surface temperature of 95 ℃ is used to condense saturated steam at 1 atm. Determine the heat transfer rate for the condensation process. Properties of Water, vapor (1 atm): Tsat = 100℃, ρv = 0.596 kg/m3, hfg = 2257 kJ/kg; Water, liquid (Tf = 370K): ρl = 960.6 kg/m3, Cpl = 4214 J/kg.K, μl = 289*10^-6 N.s/m2, kl = 0.679 W/m.K.
A horizontal pipe of 100-mm-diamter and 1 m long with a surface temperature of 94 ℃ is used to condense saturated steam at 1 atm. Determine the heat transfer rate for the condensation process. Properties of Water, vapor (1 atm): Tsat = 100℃, ρv = 0.596 kg/m3, hfg = 2257 kJ/kg;Water, liquid (Tf = 370K): ρl = 960.6 kg/m3, Cpl = 4214 J/kg.K, μl = 289*10^-6 N.s/m2, kl = 0.679 W/m.K. Select one: a. 28567 W b. 18254 W c. 19076 W d. 22552 W
a film-type condenser consists of a packed bed of 3-cm diameter spheres with a voidage of 35%. water sprayed onto the bed at 60oC is used to condense steam entering at the base at a saturation temperature of 100oC. How deep must the bed be to ensure complete condensation of the steam, and what is the outlet temperature of the water? (Use water properties based on the mean of the inlet and outlet water temperatures, and iterate if necessary)
Which mode or condensation is characterized by larger heat transfer rates?
Water at atmospheric pressure is boiled in a container using a horizontal 8 mm electric wire (ε=0.9) whose temperature is maintained by an electric current at 250oC. Estimate the boiling heat transfer coefficient between the water and the wire surface. Properties of Water, liquid: ρl = 957.9 kg/m3, hfg = 2257 kJ/kg, vapor: ρv = 4.8 kg/m3, Cp,v = 2560 J/kg.K, μv = 14.85*10-6 N.s/m2, kv=0.0331 W/mK. Select one: a. 247 W/m2K b. 440 W/m2K c. 90.7 W/m2K d. 710 W/m2K
Saturated, pure steam at a temperature of 170 °C condenses on the outer surface of a vertical tube of outer diameter 2 cm and length 1.5 m. The tube surface is maintained at a uniform temperature of 150 °C. Calculate: a) the local film condensation heat-transfer coefficient at the bottom of the tube. b) the average condensation heat-transfer coefficient over the entire length of the tube. c) the total condensation rate at the tube surface.
The condensation process of vapors on the outside of horizontal tube banks is described by the equation below, NNU = 0.725 (g p² hfg Do³) μ Δt Ν κ At 45 C R-22 properties are: Density, p Dynamic viscosity, μ Latent heat, hfg Thermal conductivity, k where N tubes/row At = hfg AT = difference between wall surface & R-22 NNu Refrigerant - 22 condenser operating at 45 C cooled with water from cooling tower entering at 30 C and leaves at 36 C. The condenser is shell-tube type with copper tubes of 14 mm ID & 16 mm OD arranged with 3 tubes per row (N). a) Compute the convective heat transfer of R-22 in W/m²K. = 1,109 kg/m³ 0.00018 Pa s 160.9 kJ/kg 0.0779 W/m K (*50-45) = 5 C (*from sample problem #2 pipe wall temperature) diff. of temp between wall & fluid latent heat of condensation generally a function of (NR₂. Npr) D/ k
The condensation process of vapors on the outside of horizontal tube banks is described by the equation below, NNU = 0.725 (gp² hfg Do³) μ Δt Ν k where N tubes/row At = hfg Density, p Dynamic viscosity, μ Latent heat, hfg Thermal conductivity, k AT = difference between wall surface & R-22 NNu 3 1,109 kg/m 0.00018 Pa s = Refrigerant - 22 condenser operating at 45 C cooled with water from cooling tower entering at 30 C and leaves at 36 C. The condenser is shell-tube type with copper tubes of 14 mm ID & 16 mm OD arranged with 3 tubes per row (N). a) Considering the results of sample problem #2 (fw = 6,909.4 W/m²K film coefficient at water side), compute the overall heat transfer coefficient based on outer surface area in W/m² K of a water-cooled shell-tube R-22 condenser. At 45 C R-22 properties are: 160.9 kJ/ kg 0.0779 W/m K (*50-45) = 5 C (*from sample problem #2 pipe wall temperature) diff. of temp between wall & fluid latent heat of condensation generally a function of (NR₂. Nor) D/ k