Consider fully developed laminar flow in a circular pipe. If the diameter of the pipe is reduced by half while the flow rate and the pipe length are held constant, how that will affect the Reynold number and pressure drop.

Consider fully developed laminar flow in a circular pipe. If the diameter of the pipe is reduced by half while the flow rate and the pipe length are held constant, how that will affect the Reynold number and pressure drop.

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.

Chapter6: Forced Convection Over Exterior Surfaces

Section: Chapter Questions

Problem 6.1P: 6.1 Determine the heat transfer coefficient at the stagnation point and the average value of the...

See similar textbooks

Related questions

Q: In a pumping system handling water, the level in the suction tank is 3.2m below the pump shaft cente...

A: NOTE:- As per our company guidelines we are supposed to answer only one question. Kindly repost othe...

Q: Show Isometric View. Use Dimlinear for measurement FRONT VIEW L.H.SIDE VIEW I 20 20 20 50 20 30 20 2...

A: Isometric View using the above three views are as follows

Q: In a pumping system handling water, the level in the suction tank is 3.2m below the pump shaft cente...

Q: A furnace wall consists of 2 ft of brick . The brick has a thermal conductivity of 0.6 Btu/ hr sq f...

A: (a) The thermal diffusivity of the brick is α = 0.0273 ft2/hr. (b) The heat loss per hour through a ...

Q: Discuss the steps on how to perform a proper hazard control. Give some examples

A: Hazard Control : Hazard control consists of all necessary steps and practices to protect workers fro...

Q: Hot oil is pumped through a heat exchanger (see figure below) at a flow rate of 0.5 L/s. An inlet ma...

Q: 30°C. The flow rate o

Q: 4 A wind tunnel with a 7/1 inlet and test ratio. The test section is at standard sea-level condition...

Q: Fill in the blanks: Compute the difference in pressure (Pa-PR) if pipe A contains oil with sg = 0.92...

Q: A closed system undergoes a thermodynamic cycle with 2 steps: process 1-2 (from state 1 to state 2),...

Q: find the actual and isentropic temperatures, and the change in specific internal energy across the t...

A: find the actual and isentropic temperatures, and the change in specific internal energy across the t...

Q: Write a brief report on the subject of engineering mechanics that was studied in the first course of...

A: 1).when considering 3-D equilibrium condition is...,Sigma Fx=0 Sigma Fy=0,Sigma Fz=0, Sigma MX=Sigma...

Q: What is the specific gravity of a solid sphere that has a radius of 15 mm and a mass of 0.038 kg a....

Q: e or false? Impurities, grain size, grain boundaries and environment are some factors that influenc...

A: A metal is a freshly polished, lustrous type which also conducts electricity Basically, properties...

Q: per hr at 20°. Determine the unit weight of be ufficient to give 33.5 m horizontal center-to-ce e to...

Q: A truncated solid cone is of circular cross section, and its diameter is related to the axial coordi...

Q: A pump with a 400 mm diameter suction pipe and a 350 mm diameter is to deliver 20,000 L/min of 15.6d...

A: Given:d1=400 mmd2=350 mmQ=20,000 L/min =20 m3/minz1=-7.5 cmP1=127 mmHg vacuumz2=45 cmP2=75 kPa

Q: Determine the STRESS in ksi experienced by the members BC, BG, and FG given the area of its cross se...

Q: tip In the above figure the block is just on the verge of tipping: W and N act through point A and t...

Q: A closed system undergoes a thermodynamic cycle with three steps: process 1-2 (from state 1 to state...

Q: A 60 mm diameter Orifice is discharging water under a head of 9 meters. Calculate the actual dischar...

A: Given Data: d0=60 mm=0.06 mh=9 m, Cd=0.625Cv or Cc=0.98a0=π4d12=π4×0.062=2.827×10-3 m2

Q: Steam enters an adiabatic turbine at 4MPa and 600C and exits at 40 kPa. If the efficiency of the tur...

Q: enlarged by blowing air into it. If the surface tension of the soap solution is 0.0047 lbf/ft, deter...

Q: lasticity, el

A: solution of above question is below

Q: calculate the indexing for the following: 1. 1623 divisions 2. 1124 divisions

A: Given DataDivisionsN=16232-N=1124 three plates

Q: Steam enters an adiabatic turbine at 4MPa and 600C and exits at 40 kPa. If the efficiency of the tur...

Q: For the velocity profile shown find 1.The total displacement ,D(in): 2.The average speed,S(in/s):

Q: A) Why do we need to follow 0.5 inch of untwisting of the cables in the RJ-45? B) What is the purpos...

A: Rj-45 - is a connector used for Ethernet networking . Rj stands for registered jack and 45 refers t...

Q: Four wheel loads rolls as a unit across a 18-m span. The loads are 40 kN, 30 kN, 20 kN, and 20 kN se...

Q: cylinder is 0.0356". The said oute al places and in Ibf-s/ft?.

Q: 2 litre of petrol weighs 14n. calculate the specific weight, density, specific volume and specific g...

Q: What height of in column of mercury (Hg) is equivalent to a pressure of 100 psig? The density of mer...

A: Given data, P = 100 psig = 689476 PA Density = 848 kg/m3 Find h = height

Q: Compute the head loss (in meters) in 3000 m of horizontal, cast iron pipe with nominal pipe size of ...

A: Length of pipe, L=3000 mPipe = 350 mm nominal diameter SCH 60Average velocity of water, V=2.1 m/sVis...

Q: A sub-marine with its axis 15 m below water surface fitted with pitot tube moves horizontally in sea...

Q: What unit operations are applied in manufacturing a car? Give at least 4 unit operations and explain...

A: There are many operations involved in the manufacturing of the car, But there are main operations ar...

Q: A 30° B

A: Here rectangular → Polarx=rcos θy= r sin θr=x2.y2θ=tanyx

Q: determine the percentage decrease in the volume of water.

A: determine the percentage decrease in the volume of water.

Q: A 150 mm diameter pipe carries 81.3 L/s of water. The pipe branches in to two pipes one is 50 mm in ...

Q: horsepower delivered by the pump. Pum Reservoir A to pumn

A: Need to find horsepower delivered by the pump.

Q: ec when it strikes the solid rectangular beam ABC. Assume that the mass of the magnesium alloy beam ...

Q: Normal state New state <Force Applied → Normal state Free Position Operating Position Free Position

A: The above picture given shows the the positions of limit switches. Limit switches : Definition :A l...

Q: What is the Mach of airflow with 150 m/s at a pressure of 0.95 atm and a Density of 1.15 kg/m^3?

Q: Complete the following table for water T, °F P, psia U, Btu/lbm phase description 300 78...

A: From Saturated Water-Temperature table at 300oF we get the specific internal energy values as, uf=...

Q: Three wheel loads rolls as a unit across a 12- m span. The loads are A = 15 kN; B = 25 kN, %3D %3D 2...

A: The moment of any force can be calculated as the product of the force and perpendicular distance fro...

Q: What are the advantages of a self-adjusting clutch?

Q: Show how you would find the velocity of each point (no values given just the equation) for an overla...

Q: 2. With an area of 420 mm?, a bronze bar that is 3 m long is placed between two rigid walls as shown...

Q: Methane gas is pumped into an expandable container and is heated until the vilume of the container d...

A: The compressibility factor is to quantify the deviation of real behavior from the ideal gas behavior...

Q: Determine the number of the impellers required for a multi stage pump to lift 4200 litres/minute aga...

A: We have, Total head, H=185 m, N=750 rpm, Ns=70 rpm Q=4200 litres/min=4200×10-360=0.07 m3/s

Q: During the General Enhanced Community Quarantine, we were mandated to stay and work from home. We do...

A: Draw a diagram showing the five displacements at home. Here, 3 displacements are between the room a...

Question

Expert Solution

This question has been solved!

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

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Given data

VIEW

Detailed solution for Reynolds number

VIEW

Final solution

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 3 steps with 3 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

Consider fully developed laminar flow in a circular pipe. If the diameter of the pipe is reduced by a factor of 3 while the flow rate and the pipe length are held constant, the head loss will be?
What is the generally accepted value of the Reynolds number above which the flow in smooth pipes is turbulent?
What is the physical significance of the Reynolds number? How is it defined for (a) flow in a circular pipe of inner diameter D and (b) flow in a rectangular duct of cross section a × b
Consider fully developed flow in a circular pipe with negligible entrance effects. If the length of the pipe is doubled, the head loss will (a) double, (b) more than double, (c) less than double, (d ) reduce by half, or (e) remain constant.
For fully developed laminar pipe flow, if the diameter of the pipe is decreased by a factor of 3 whereas the length of pipe and flow rate is kept fixed the head loss will …………. Please fill the blank with correct answer.
A highly viscous liquid discharges from a large container through a small-diameter tube in laminar flow. Disregarding entrance effects and velocity heads, obtain a relation for the variation of fluid depth in the tank with time.
is friction factor inversely proportional to the Reynold’s number in case of laminar flow in circular pipes?
Show that the Reynolds number for flow in a circular pipe of diameter D can be expressed as Re = 4m./(?D?).
The volume flow rate of laminar and fully developed flow in an inclined pipe of length L can be calculated using the formula of Q=[(ΔP-ρgLsinθ)πD⁴]/128μL. When this pipe is placed on the horizontal plane under the same condition, which term of the above expression should be eliminated?
Explain the long-term impact of saltwater on the pipeline. How might this influence material selection andflow regime considerations when designing the pipeline to maximise its lifespan? What would be your recommendation on the operating flow rate and the diameter of the pipelines in order to increase the lifespan and reduce the pumping power if the pipelines is upgraded in the future? Justify your answer.
Glycerin at 40°C with ?? = 1252 kg/m3 and ?? = 0.27 kg/m·s is flowing through a 6-cm-diameter horizontal smooth pipe with an average velocity of 3.5 m/s. Determine the pressure drop per 10 m of the pipe. What is minor loss in pipe flow? How is the minor loss coefficient KL defined?
Heated air at 1 atm and 100F is to be transportedin a 400-ft-long circular plastic duct at a rate of 12 ft3/s. Ifthe head loss in the pipe is not to exceed 50 ft, determine theminimum diameter of the duct.