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Why reynold's number is used to determine flow instead of velocity?
The two, Reynold's number and velocity, really measure quite different things.
How can we relates the Reynolds Number with the phenomena of turbulence and laminar?
Turbulent flow occurs above a certain Reynold's number; laminar flow occurs below a certain Reynold's number. The exact value of the Reynold's number required for flow to become turbulent varies, depending on the specific situation.
What can be used to define laminar flow?
Laminar flow can be defined by the help of Reynold's number that can be determined by conducting experiments. A Reynold number <=2000 indicates that the flow is laminar.
Ratio of Inertial forces to drag forces is called which number?
Reynold's number
What is the difference between convergent divergent nozzle and venturi tube?
In case of venturi meter, at the diverging section mach number is less than 1. however in diverging section of a nozzle mach number is greater than 1.
Show the formula of Reynold number?
See the related link below to Wikipedia which will give you the formula.
Where is it possible to learn about Reynold's Number?
You can learn about Reynold's number from a variety of different sources. You can go to a library or a book store and pick up a book on fluid dynamics. You can also read forums and blogs on the subject. Your local college may also have courses in engineering.
What is the Mach number at the throat section of a converging diverging nozzle?
Mach No at throat = 1.0
What are the si units for efficiency?
Efficiency is adimensional, meaning there is no associated unit, just a number - and the number should be the same in different measurement systems. Efficiency can be any number between 1 (equivalent to 100%) and 0 (equivalent to 0%).
Difference between technical efficiency and economic efficiency?
technical efficiency is related to change in output due to change in input and economic efficiency refers to a number of related concepts.
How many litters would be used in you 1 hour of driving?
Presumably you mean litres and not litters! The amount of fuel consumed will depend on a number of factors: the fule efficiency of your vehicle, your speed, your driving style etc.
What is the exit diameter of a number 4 size gas tungsten arc welding nozzle?
1/4"
