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These terms are usually used in conjuction with fluid-fluid heat exchangers. In both cases, the two fluids in the exchanger are moving in parallel flowpaths with each other. In contraflow, the fluids move in opposite directions along those paths, so the two inlets are on opposite ends of the exchanger. In parallel flow, the fluids move in the same direction, so the inlets are on the same end.
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What is the difference between viscosity and viscosity index?
Viscosity is resistance to flow of oil Viscosity Index is a scale to measure viscosity
What are second grade fluids?
Second grade fluids are fluids that flow through a parallel plate. The fluids go through the parallel plate horizontal.
What is the difference between normal flowrate and Actual flow rate?
Normal flow is 100% of the flow you actually expect. Rated flow is the maximum safety factor times the normal flow. i.e. for a maximum safety factor of 1.2 Normal flow = 100 gpm Rated flow = 1.2*100 gpm = 120 gpm Safety factors are applied to ensure a piece of equipment has some flexibility of operating conditions in its application. The minimum flow is the minimum safety factor time the normal flow i.e. i.e. for a maximum safety factor of 0.5 Normal flow = 100 gpm Rated flow = 0.5*100 gpm = 50 gpm If sized properly a pump specified in this way could operate at any point between 50 and 120gpm with no problems.
What is the difference between mold and cavity?
mould is a hollowed out block that is filled with a liquid like plastic , glass, metal, ceramic raw material. while cavity is a small passage for flow of material in mould or die.
What is difference between pelton wheel and turgo turbine?
pelton turbine is used for high head low flow but the turgo turbine is used for low head high flow, in pelton turbine number of jet can increased but in turgo it can't be done, in pelton the water hits the bucket once at a time but in tugo it hits more than one
Difference between laminar air flow and reverse laminar aire flow?
difference between laminar air flow & reverse laminar air flow
What is different between a series circuit and a parallel circuit?
In a parallel circuit there are multiple possible pathways for the current to flow.
What is the basic Difference between flow chart and pseudo-code?
what's the difference between flow chart and structure diagrams and pseudo code
Difference between uniform and non-uniform flow of fluid?
Uniform flow occurs when the fluid velocity and properties are constant throughout the flow field, while non-uniform flow has varying velocity and properties across the flow field. In uniform flow, streamlines are parallel and the flow is steady, whereas in non-uniform flow, streamlines may converge or diverge and the flow can be unsteady.
What is net flow?
Net cash flow is the difference between income and expenditure.
What is the net flow?
Net cash flow is the difference between income and expenditure.
What is the driving flow for the flow of electrons in batteries?
potential difference between electrodes
What is the difference between a parallel and series circuit?
In a parallel circuit, each component has its own separate path for current to flow, allowing them to operate independently. In a series circuit, components are connected end-to-end so that the same current flows through each one in sequence.
Difference between physical and logical DFD?
difference between physical and logical data flow diagrams.
What is difference between datalink layer flow control and transport layer flow control?
The difference between datalink layer flow control and transport layer flow control is the need to keep the different layers of data separate in the flow control option.
What is the difference between small and tall?
blood flow
What is the net cash flow?
Net cash flow is the difference between income and expenditure.
