Enthalpy of evaporation given critical heat flux Calculator

✖Critical Heat Flux is the heat transfer rate per unit area normal to the direction of heat flow. It is denoted by the letter "q".ⓘ Critical Heat Flux [Q_c]			+10% -10%
✖The Density of Vapour is the mass of a unit volume of a material substance.ⓘ Density of Vapour [ρ_v]			+10% -10%
✖Surface Tension is the surface of a liquid that allows it to resist an external force, due to the cohesive nature of its molecules.ⓘ Surface Tension [Y]			+10% -10%
✖Density of Liquid is mass of a unit volume of a material substance.ⓘ Density of Liquid [ρ_l]			+10% -10%

✖Change in Enthalpy of Vaporization is the amount of energy (enthalpy) that must be added to a liquid substance to transform a quantity of that substance into a gas.ⓘ Enthalpy of evaporation given critical heat flux [∆H]

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Enthalpy of evaporation given critical heat flux Solution

STEP 0: Pre-Calculation Summary

Formula Used

Change in Enthalpy of Vaporization = Critical Heat Flux/(0.18*Density of Vapour*((Surface Tension*[g]*(Density of Liquid-Density of Vapour))/(Density of Vapour^2))^0.25)
∆H = Q_c/(0.18*ρ_v*((Y*[g]*(ρ_l-ρ_v))/(ρ_v^2))^0.25)
This formula uses 1 Constants, 5 Variables

Constants Used

[g] - Gravitational acceleration on Earth Value Taken As 9.80665

Variables Used

Change in Enthalpy of Vaporization - (Measured in Joule Per Mole) - Change in Enthalpy of Vaporization is the amount of energy (enthalpy) that must be added to a liquid substance to transform a quantity of that substance into a gas.
Critical Heat Flux - (Measured in Watt per Square Meter) - Critical Heat Flux is the heat transfer rate per unit area normal to the direction of heat flow. It is denoted by the letter "q".
Density of Vapour - (Measured in Kilogram per Cubic Meter) - The Density of Vapour is the mass of a unit volume of a material substance.
Surface Tension - (Measured in Newton per Meter) - Surface Tension is the surface of a liquid that allows it to resist an external force, due to the cohesive nature of its molecules.
Density of Liquid - (Measured in Kilogram per Cubic Meter) - Density of Liquid is mass of a unit volume of a material substance.

STEP 1: Convert Input(s) to Base Unit

Critical Heat Flux: 332.842530370989 Watt per Square Meter --> 332.842530370989 Watt per Square Meter No Conversion Required
Density of Vapour: 0.5 Kilogram per Cubic Meter --> 0.5 Kilogram per Cubic Meter No Conversion Required
Surface Tension: 21.8 Newton per Meter --> 21.8 Newton per Meter No Conversion Required
Density of Liquid: 4 Kilogram per Cubic Meter --> 4 Kilogram per Cubic Meter No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

∆H = Q_c/(0.18*ρ_v*((Y*[g]*(ρ_l-ρ_v))/(ρ_v^2))^0.25) --> 332.842530370989/(0.18*0.5*((21.8*[g]*(4-0.5))/(0.5^2))^0.25)

Evaluating ... ...

∆H = 500.000000000001

STEP 3: Convert Result to Output's Unit

500.000000000001 Joule Per Mole --> No Conversion Required

FINAL ANSWER

500.000000000001 ≈ 500 Joule Per Mole <-- Change in Enthalpy of Vaporization

(Calculation completed in 00.004 seconds)

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< Boiling Calculators

Heat flux to nucleate pool boiling

LaTeX Go Heat Flux = Dynamic Viscosity of Fluid*Change in Enthalpy of Vaporization*(([g]*(Density of Liquid-Density of Vapour))/(Surface Tension))^0.5*((Specific Heat of Liquid*Excess Temperature)/(Constant in Nucleate Boiling*Change in Enthalpy of Vaporization*(Prandtl Number)^1.7))^3.0

Enthalpy of evaporation to nucleate pool boiling

LaTeX Go Change in Enthalpy of Vaporization = ((1/Heat Flux)*Dynamic Viscosity of Fluid*(([g]*(Density of Liquid-Density of Vapour))/(Surface Tension))^0.5*((Specific Heat of Liquid*Excess Temperature)/(Constant in Nucleate Boiling*(Prandtl Number)^1.7))^3)^0.5

Enthalpy of evaporation given critical heat flux

LaTeX Go Change in Enthalpy of Vaporization = Critical Heat Flux/(0.18*Density of Vapour*((Surface Tension*[g]*(Density of Liquid-Density of Vapour))/(Density of Vapour^2))^0.25)

Critical heat flux to nucleate pool boiling

LaTeX Go Critical Heat Flux = 0.18*Change in Enthalpy of Vaporization*Density of Vapour*((Surface Tension*[g]*(Density of Liquid-Density of Vapour))/(Density of Vapour^2))^0.25

Enthalpy of evaporation given critical heat flux Formula

LaTeX Go

What is boiling?

Boiling is the rapid vaporization of a liquid, which occurs when a liquid is heated to its boiling point, the temperature at which the vapour pressure of the liquid is equal to the pressure exerted on the liquid by the surrounding atmosphere.

How to Calculate Enthalpy of evaporation given critical heat flux?

Enthalpy of evaporation given critical heat flux calculator uses Change in Enthalpy of Vaporization = Critical Heat Flux/(0.18*Density of Vapour*((Surface Tension*[g]*(Density of Liquid-Density of Vapour))/(Density of Vapour^2))^0.25) to calculate the Change in Enthalpy of Vaporization, The Enthalpy of evaporation given critical heat flux formula is defined as amount of energy (enthalpy) that must be added to a liquid substance, to transform a quantity of that substance into a gas. Change in Enthalpy of Vaporization is denoted by ∆H symbol.

How to calculate Enthalpy of evaporation given critical heat flux using this online calculator? To use this online calculator for Enthalpy of evaporation given critical heat flux, enter Critical Heat Flux (Q_c), Density of Vapour (ρ_v), Surface Tension (Y) & Density of Liquid (ρ_l) and hit the calculate button. Here is how the Enthalpy of evaporation given critical heat flux calculation can be explained with given input values -> 500 = 332.842530370989/(0.18*0.5*((21.8*[g]*(4-0.5))/(0.5^2))^0.25).

FAQ

What is Enthalpy of evaporation given critical heat flux?

The Enthalpy of evaporation given critical heat flux formula is defined as amount of energy (enthalpy) that must be added to a liquid substance, to transform a quantity of that substance into a gas and is represented as ∆H = Q_c/(0.18*ρ_v*((Y*[g]*(ρ_l-ρ_v))/(ρ_v^2))^0.25) or Change in Enthalpy of Vaporization = Critical Heat Flux/(0.18*Density of Vapour*((Surface Tension*[g]*(Density of Liquid-Density of Vapour))/(Density of Vapour^2))^0.25). Critical Heat Flux is the heat transfer rate per unit area normal to the direction of heat flow. It is denoted by the letter "q", The Density of Vapour is the mass of a unit volume of a material substance, Surface Tension is the surface of a liquid that allows it to resist an external force, due to the cohesive nature of its molecules & Density of Liquid is mass of a unit volume of a material substance.

How to calculate Enthalpy of evaporation given critical heat flux?

The Enthalpy of evaporation given critical heat flux formula is defined as amount of energy (enthalpy) that must be added to a liquid substance, to transform a quantity of that substance into a gas is calculated using Change in Enthalpy of Vaporization = Critical Heat Flux/(0.18*Density of Vapour*((Surface Tension*[g]*(Density of Liquid-Density of Vapour))/(Density of Vapour^2))^0.25). To calculate Enthalpy of evaporation given critical heat flux, you need Critical Heat Flux (Q_c), Density of Vapour (ρ_v), Surface Tension (Y) & Density of Liquid (ρ_l). With our tool, you need to enter the respective value for Critical Heat Flux, Density of Vapour, Surface Tension & Density of Liquid 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 Change in Enthalpy of Vaporization?

In this formula, Change in Enthalpy of Vaporization uses Critical Heat Flux, Density of Vapour, Surface Tension & Density of Liquid. We can use 1 other way(s) to calculate the same, which is/are as follows -

Change in Enthalpy of Vaporization = ((1/Heat Flux)*Dynamic Viscosity of Fluid*(([g]*(Density of Liquid-Density of Vapour))/(Surface Tension))^0.5*((Specific Heat of Liquid*Excess Temperature)/(Constant in Nucleate Boiling*(Prandtl Number)^1.7))^3)^0.5

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