Expect transition to turbulence

Assignment Help Mechanical Engineering
Reference no: EM13720712

For flow of viscous fluids through a 5 cm diameter pipe, for what flow rate in m3/h would we expect transition to turbulence?

a) For SAE 10W oil (use Appendix B for properties) at 20°C

b) For SAE 10W oil at 100°C

c) For water at room temperature?

d) For air at room temperature?

Reference no: EM13720712

Questions Cloud

Measure consumer satisfaction : Explain the need to measure consumer satisfaction. Discuss the need to involve patients in the CQI process
Dimensional analysis to derive an expression for torque : The main bearing on an engine crankshaft is lubricated with engine oil. The torque due to friction T0 depends on shaft diameter D, rotational speed, lubricated viscosity, and density. Use dimensional analysis to derive an expression for torque.
Steam power plant operates on the reheat rankine cycle : A steam power plant operates on the reheat rankine cycle between 15 mpa and 10 kpa. System enters the high pressure turbine at 15 Mpa and 500c at rate of 12 kg/s. steam is then reheated at constant pressure to 500c befe it expands in the low pressure..
Material is then placed in a state of plane stress : A 0-45-90 rosette strain gage is placed on a material with E = 100GPa and v = 0.25. The material is then placed in a state of plane stress.  Find Sigma x, Sigma y, Tau xy, Epsilon z, and largest principal stress
Expect transition to turbulence : For flow of viscous fluids through a 5 cm diameter pipe, for what flow rate in m3/h would we expect transition to turbulence?
System including a preheating coil and air washing : A system including a preheating coil and air washing (directly recalculated spray water) is to be designed to process 10,000 ft^3/min of outdoor air, in barometric pressure of 14.696 psia. Outdoor air is saturated at 30 F enters the preheated, where ..
Determine the final enthalpy of leaving air : A counter flow cooling tower operates steadily with 100 liter/sec of water that is cooled from 30 C to 25 C. The ambient air is at sea level pressure, 25 C dry bulb and 20 C wet bulb temperature. The ratio of mass flow rate to air flow rate is 1.0.
Compute the wet bulb temperature of moist air : Compute the wet bulb temperature of moist air that has been cooled and dehumanized from 25 C and 80 percent relative humidity to 23 C in a counter-flow spray dehumidifier. The water leaves at 15 C. (Use thermodynamic tables and Lewis number charts). ..
Amount of heat transfer from ball during the cooling process : A football official inflates a football to the required gauge pressure of 13 psi prior to a game.  The football has an internal volume of 160in^3 and the air is at a temperature of 75 degrees F when the football is first inflated.

Reviews

Write a Review

Mechanical Engineering Questions & Answers

  Package design

Package Design Brief: Assume you are the packaging engineer for a large consumer products company. In this company, the Packaging Design Briefs are initiated by the marketing group and forwarded to the Package Engineering group.

  Mechanical engineering questions

Define dynamic viscosity, Determine the centroid, Pressure due to the height of liquid, Advantage of changing the liquid, Calculate the total moment about the hinge of the seal gate.

  Automatic control

DOF system and Find the differential equation describing the system

  Write a paper on boyle''s law

Write a paper on Boyle's law and describe Compression and Combustion stroke . Also explain Charles's law and illustrate SI engine and CI engine.

  Verify the law for parallelogram of forces

To Verify the law for parallelogram of forces, law for triangle of forces and law of polygon of forces. These laws are very useful to calculate unknown forces in very short time.

  Discharge pressure of the compressor

What is the discharge revised discharge pressure of the compressor.

  The Case for Global Accounting Standards

The role of IFRS in both developing and developed capital markets.

  Wind turbine

Wind turbines are becoming more and more common as a method of energy production, wind turbines by their very nature are dynamic and are subject to and create their own internal and external kinematics and kinetics.

  Advanced design methodologies

8 x product engineering and design review (week 2 – 12), ~3 pages per item which must contain a brief description of the product then delve into concepts such as materials selection, manufacturing methods, life cycle analysis, recyclability and overa..

  Design of absorption column and the cooler

Design of absorption column and the cooler. Process design of other units should be completed along with pipe sizes.

  Determine the maximum total bending moment

Determine maximum total bending moment (static plus dynamic) of the beam under steady-state conditions.

  Force of the water on the gate

Determine the magnitude of the horizontal and vertical components of the force of the water on the gate.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd