## Mass Flow Rate from Continuity Relation for One Dimensional Flow in Tube Solution

STEP 0: Pre-Calculation Summary
Formula Used
Mass Flow Rate = Density of Fluid*Cross Sectional Area*Mean velocity
= ρFluid*AT*um
This formula uses 4 Variables
Variables Used
Mass Flow Rate - (Measured in Kilogram per Second) - Mass flow rate is the mass of a substance that passes per unit of time. Its unit is kilogram per second in SI units.
Density of Fluid - (Measured in Kilogram per Cubic Meter) - Density of Fluid is defined as the mass of fluid per unit volume of the said fluid.
Cross Sectional Area - (Measured in Square Meter) - Cross sectional area is the area of a two-dimensional shape that is obtained when a three dimensional shape is sliced perpendicular to some specified axis at a point.
Mean velocity - (Measured in Meter per Second) - Mean velocity is defined as the average velocity of a fluid at a point and over an arbitrary time T.
STEP 1: Convert Input(s) to Base Unit
Density of Fluid: 1.225 Kilogram per Cubic Meter --> 1.225 Kilogram per Cubic Meter No Conversion Required
Cross Sectional Area: 10.3 Square Meter --> 10.3 Square Meter No Conversion Required
Mean velocity: 10.6 Meter per Second --> 10.6 Meter per Second No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
ṁ = ρFluid*AT*um --> 1.225*10.3*10.6
Evaluating ... ...
= 133.7455
STEP 3: Convert Result to Output's Unit
133.7455 Kilogram per Second --> No Conversion Required
133.7455 Kilogram per Second <-- Mass Flow Rate
(Calculation completed in 00.000 seconds)
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University School of Chemical Technology-USCT (GGSIPU), New Delhi
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## < 25 Convection Calculators

Recovery Factor
Recovery Factor = ((Adiabatic Wall Temperature-Static Temperature of Free Stream) /(Stagnation Temperature-Static Temperature of Free Stream))
Local Velocity of Sound
Local Velocity of Sound = sqrt((Ratio of Specific Heat Capacities*[g]*[R]*Temperature of Medium))
Local Stanton Number
Local Stanton Number = Local Heat Transfer Coefficient/(Density*Specific Heat at Constant Pressure*Free Stream Velocity)
Correlation for Local Nusselt Number for Laminar Flow on Isothermal Flat Plate
Local Nusselt number = (0.3387*(Local Reynolds Number^(1/2))*(Prandtl Number^(1/3)))/(1+((0.0468/Prandtl Number)^(2/3)))^(1/4)
Correlation for Nusselt Number for Constant Heat Flux
Local Nusselt number = (0.4637*(Local Reynolds Number^(1/2))*(Prandtl Number^(1/3)))/(1+((0.0207/Prandtl Number)^(2/3)))^(1/4)
Drag Coefficient for Bluff Bodies
Drag Coefficient = (2*Drag Force)/(Frontal Area*Density of Fluid*(Free Stream Velocity^2))
Drag Force for Bluff Bodies
Drag Force = (Drag Coefficient*Frontal Area*Density of Fluid*(Free Stream Velocity^2))/2
Reynolds Number given Mass Velocity
Reynolds Number in Tube = (Mass Velocity*Diameter of Tube)/(Dynamic Viscosity)
Shear Stress at Wall given Friction Coefficient
Shear Stress = (Friction Coefficient*Density*(Free Stream Velocity^2))/2
Mass Flow Rate from Continuity Relation for One Dimensional Flow in Tube
Mass Flow Rate = Density of Fluid*Cross Sectional Area*Mean velocity
Nusselt Number for Plate heated over its Entire Length
Nusselt Number at Location L = 0.664*((Reynolds Number)^(1/2))*(Prandtl Number^(1/3))
Local Stanton Number given Prandtl Number
Local Stanton Number = (0.332*(Local Reynolds Number^(1/2)))/(Prandtl Number^(2/3))
Local Nusselt Number for Constant Heat Flux given Prandtl Number
Local Nusselt number = 0.453*(Local Reynolds Number^(1/2))*(Prandtl Number^(1/3))
Local Nusselt Number for Plate Heated over its Entire Length
Local Nusselt number = 0.332*(Prandtl Number^(1/3))*(Local Reynolds Number^(1/2))
Nusselt Number for Turbulent Flow in Smooth Tube
Nusselt Number = 0.023*(Reynolds Number in Tube^(0.8))*(Prandtl Number^(0.4))
Local Stanton Number given Local Friction Coefficient
Local Stanton Number = Local Friction Coefficient/(2*(Prandtl Number^(2/3)))
Local Velocity of Sound when Air Behaves as Ideal Gas
Local Velocity of Sound = 20.045*sqrt((Temperature of Medium))
Mass Velocity
Mass Velocity = Mass Flow Rate/Cross Sectional Area
Mass Velocity given Mean Velocity
Mass Velocity = Density of Fluid*Mean velocity
Local Friction Coefficient given Local Reynolds Number
Local Friction Coefficient = 2*0.332*(Local Reynolds Number^(-0.5))
Local Skin Friction Coefficient for Turbulent Flow on Flat Plates
Local Friction Coefficient = 0.0592*(Local Reynolds Number^(-1/5))
Friction Factor given Reynolds Number for Flow in Smooth Tubes
Fanning Friction Factor = 0.316/((Reynolds Number in Tube)^(1/4))
Stanton Number given Friction Factor for Turbulent Flow in Tube
Stanton Number = Fanning Friction Factor/8
Recovery Factor for Gases with Prandtl Number near Unity under Turbulent Flow
Recovery Factor = Prandtl Number^(1/3)
Recovery Factor for Gases with Prandtl Number near Unity under Laminar Flow
Recovery Factor = Prandtl Number^(1/2)

## Mass Flow Rate from Continuity Relation for One Dimensional Flow in Tube Formula

Mass Flow Rate = Density of Fluid*Cross Sectional Area*Mean velocity
= ρFluid*AT*um

## What is Convection?

Convection is the process of heat transfer by the bulk movement of molecules within fluids such as gases and liquids. The initial heat transfer between the object and the fluid takes place through conduction, but the bulk heat transfer happens due to the motion of the fluid. Convection is the process of heat transfer in fluids by the actual motion of matter. It happens in liquids and gases. It may be natural or forced. It involves a bulk transfer of portions of the fluid.

## What are the Types of Convection?

There are two types of convection, and they are:
Natural convection: When convection takes place due to buoyant force as there is a difference in densities caused by the difference in temperatures it is known as natural convection. Examples of natural convection are oceanic winds.

Forced convection: When external sources such as fans and pumps are used for creating induced convection, it is known as forced convection.
Examples of forced convection are using water heaters or geysers for instant heating of water and using a fan on a hot summer day.

## How to Calculate Mass Flow Rate from Continuity Relation for One Dimensional Flow in Tube?

Mass Flow Rate from Continuity Relation for One Dimensional Flow in Tube calculator uses Mass Flow Rate = Density of Fluid*Cross Sectional Area*Mean velocity to calculate the Mass Flow Rate, The Mass Flow Rate from Continuity Relation for One Dimensional Flow in Tube formula is defined as the product of density, mean velocity and the area. Consider the flow in a tube. A boundary layer develops at the entrance, Eventually the boundary layer fills the entire tube, and the flow is said to be fully developed. If the flow is laminar, a parabolic velocity profile is experienced. When the flow is turbulent, a somewhat blunter profile is observed. In a tube, the Reynolds number is again used as a criterion for laminar and turbulent flow. Mass Flow Rate is denoted by symbol.

How to calculate Mass Flow Rate from Continuity Relation for One Dimensional Flow in Tube using this online calculator? To use this online calculator for Mass Flow Rate from Continuity Relation for One Dimensional Flow in Tube, enter Density of Fluid Fluid), Cross Sectional Area (AT) & Mean velocity (um) and hit the calculate button. Here is how the Mass Flow Rate from Continuity Relation for One Dimensional Flow in Tube calculation can be explained with given input values -> 133.7455 = 1.225*10.3*10.6.

### FAQ

What is Mass Flow Rate from Continuity Relation for One Dimensional Flow in Tube?
The Mass Flow Rate from Continuity Relation for One Dimensional Flow in Tube formula is defined as the product of density, mean velocity and the area. Consider the flow in a tube. A boundary layer develops at the entrance, Eventually the boundary layer fills the entire tube, and the flow is said to be fully developed. If the flow is laminar, a parabolic velocity profile is experienced. When the flow is turbulent, a somewhat blunter profile is observed. In a tube, the Reynolds number is again used as a criterion for laminar and turbulent flow and is represented as = ρFluid*AT*um or Mass Flow Rate = Density of Fluid*Cross Sectional Area*Mean velocity. Density of Fluid is defined as the mass of fluid per unit volume of the said fluid, Cross sectional area is the area of a two-dimensional shape that is obtained when a three dimensional shape is sliced perpendicular to some specified axis at a point & Mean velocity is defined as the average velocity of a fluid at a point and over an arbitrary time T.
How to calculate Mass Flow Rate from Continuity Relation for One Dimensional Flow in Tube?
The Mass Flow Rate from Continuity Relation for One Dimensional Flow in Tube formula is defined as the product of density, mean velocity and the area. Consider the flow in a tube. A boundary layer develops at the entrance, Eventually the boundary layer fills the entire tube, and the flow is said to be fully developed. If the flow is laminar, a parabolic velocity profile is experienced. When the flow is turbulent, a somewhat blunter profile is observed. In a tube, the Reynolds number is again used as a criterion for laminar and turbulent flow is calculated using Mass Flow Rate = Density of Fluid*Cross Sectional Area*Mean velocity. To calculate Mass Flow Rate from Continuity Relation for One Dimensional Flow in Tube, you need Density of Fluid Fluid), Cross Sectional Area (AT) & Mean velocity (um). With our tool, you need to enter the respective value for Density of Fluid, Cross Sectional Area & Mean velocity and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
How many ways are there to calculate Mass Flow Rate?
In this formula, Mass Flow Rate uses Density of Fluid, Cross Sectional Area & Mean velocity. We can use 1 other way(s) to calculate the same, which is/are as follows -
• Mass Flow Rate = Mass Velocity*Cross Sectional Area Let Others Know