## Heat Flux in Fully Developed Boiling State for Pressure upto 0.7 Megapascal Solution

STEP 0: Pre-Calculation Summary
Formula Used
Rate of Heat Transfer = 2.253*Area*((Excess Temperature)^(3.96))
qrate = 2.253*A*((ΔTx)^(3.96))
This formula uses 3 Variables
Variables Used
Rate of Heat Transfer - (Measured in Joule per Second) - Rate of Heat Transfer is defined as the amount of heat transferred per unit time in the material.
Area - (Measured in Square Meter) - The area is the amount of two-dimensional space taken up by an object.
Excess Temperature - (Measured in Kelvin) - Excess Temperature is defined as the temperature difference between heat source and saturation temperature of the fluid.
STEP 1: Convert Input(s) to Base Unit
Area: 5 Square Meter --> 5 Square Meter No Conversion Required
Excess Temperature: 2.25 Degree Celsius --> 2.25 Kelvin (Check conversion here)
STEP 2: Evaluate Formula
Substituting Input Values in Formula
qrate = 2.253*A*((ΔTx)^(3.96)) --> 2.253*5*((2.25)^(3.96))
Evaluating ... ...
qrate = 279.494951578441
STEP 3: Convert Result to Output's Unit
279.494951578441 Joule per Second -->279.494951578441 Watt (Check conversion here)
FINAL ANSWER
279.494951578441 279.495 Watt <-- Rate of Heat Transfer
(Calculation completed in 00.004 seconds)
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University School of Chemical Technology-USCT (GGSIPU), New Delhi
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## < 16 Important Formulas of Condensation Number, Average Heat Transfer Coefficient and Heat Flux Calculators

Average Heat Transfer Coefficient for Condensation Inside Horizontal Tubes for Low Vapor Velocity
Average Heat Transfer Coefficient = 0.555*((Density of Liquid Film* (Density of Liquid Film-Density of Vapor)*[g]*Corrected Latent Heat of Vaporization* (Thermal Conductivity of Film Condensate^3))/(Length of Plate*Diameter of Tube* (Saturation Temperature-Plate Surface Temperature)))^(0.25)
Average Heat Transfer Coefficient for Laminar Film Condensation on Outside of Sphere
Average Heat Transfer Coefficient = 0.815*((Density of Liquid Film* (Density of Liquid Film-Density of Vapor)*[g]*Latent Heat of Vaporization* (Thermal Conductivity of Film Condensate^3))/(Diameter of Sphere*Viscosity of Film* (Saturation Temperature-Plate Surface Temperature)))^(0.25)
Average Heat Transfer Coefficient for Laminar Film Condensation of Tube
Average Heat Transfer Coefficient = 0.725*((Density of Liquid Film* (Density of Liquid Film-Density of Vapor)*[g]*Latent Heat of Vaporization* (Thermal Conductivity of Film Condensate^3))/(Diameter of Tube*Viscosity of Film* (Saturation Temperature-Plate Surface Temperature)))^(0.25)
Average Heat Transfer Coefficient for Vapor Condensing on Plate
Average Heat Transfer Coefficient = 0.943*((Density of Liquid Film* (Density of Liquid Film-Density of Vapor)*[g]*Latent Heat of Vaporization* (Thermal Conductivity of Film Condensate^3))/(Length of Plate*Viscosity of Film* (Saturation Temperature-Plate Surface Temperature)))^(0.25)
Average Heat Transfer Coefficient for Film Condensation on Plate for Wavy Laminar Flow
Average Heat Transfer Coefficient = 1.13*((Density of Liquid Film* (Density of Liquid Film-Density of Vapor)*[g]*Latent Heat of Vaporization* (Thermal Conductivity of Film Condensate^3))/(Length of Plate*Viscosity of Film* (Saturation Temperature-Plate Surface Temperature)))^(0.25)
Condensation Number given Reynolds Number
Condensation Number = ((Constant for Condensation Number)^(4/3))* (((4*sin(Inclination Angle)*((Cross Sectional Area of Flow/Wetted Perimeter)))/(Length of Plate))^(1/3))* ((Reynolds Number of Film)^(-1/3))
Condensation Number
Condensation Number = (Average Heat Transfer Coefficient)* ((((Viscosity of Film)^2)/((Thermal Conductivity^3)*(Density of Liquid Film)*(Density of Liquid Film-Density of Vapor)*[g]))^(1/3))
Critical Heat Flux by Zuber
Critical Heat Flux = ((0.149*Enthalpy of Vaporization of Liquid*Density of Vapor)* (((Surface Tension*[g])*(Density of Liquid-Density of Vapor))/ (Density of Vapor^2))^(1/4))
Average Heat Transfer Coefficient given Reynolds Number and Properties at Film Temperature
Average Heat Transfer Coefficient = (0.026*(Prandtl Number at Film Temperature^(1/3))*(Reynolds Number for Mixing^(0.8))*(Thermal Conductivity at Film Temperature))/Diameter of Tube
Heat Transfer Rate for Condensation of Superheated Vapors
Heat Transfer = Average Heat Transfer Coefficient*Area of Plate*(Saturation Temperature for Superheated Vapor-Plate Surface Temperature)
Correlation for Heat Flux proposed by Mostinski
Heat Transfer Coefficient For Nucleate Boiling = 0.00341*(Critical Pressure^2.3)*(Excess Temperature in Nucleate Boiling^2.33)*(Reduced Pressure^0.566)
Heat Flux in Fully Developed Boiling State for Higher Pressures
Rate of Heat Transfer = 283.2*Area*((Excess Temperature)^(3))*((Pressure)^(4/3))
Heat Flux in Fully Developed Boiling State for Pressure upto 0.7 Megapascal
Rate of Heat Transfer = 2.253*Area*((Excess Temperature)^(3.96))
Condensation Number when Turbulence is Encountered in Film
Condensation Number = 0.0077*((Reynolds Number of Film)^(0.4))
Condensation Number for Horizontal Cylinder
Condensation Number = 1.514*((Reynolds Number of Film)^(-1/3))
Condensation Number for Vertical Plate
Condensation Number = 1.47*((Reynolds Number of Film)^(-1/3))

## < 14 Boiling Calculators

Radius of Vapour Bubble in Mechanical Equilibrium in Superheated Liquid
Radius of Vapor Bubble = (2*Surface Tension*[R]*(Saturation Temperature^2))/(Pressure of Superheated Liquid*Enthalpy of Vaporization of Liquid*(Temperature of Superheated Liquid-Saturation Temperature))
Critical Heat Flux by Zuber
Critical Heat Flux = ((0.149*Enthalpy of Vaporization of Liquid*Density of Vapor)* (((Surface Tension*[g])*(Density of Liquid-Density of Vapor))/ (Density of Vapor^2))^(1/4))
Radiation Heat Transfer Coefficient
Radiation Heat Transfer Coefficient = (([Stefan-BoltZ]*Emissivity*(((Plate Surface Temperature)^4)-((Saturation Temperature)^4)))/(Plate Surface Temperature-Saturation Temperature))
Total Heat Transfer Coefficient
Total Heat Transfer Coefficient = Heat Transfer Coefficient in Film Boiling Region* ((Heat Transfer Coefficient in Film Boiling Region/Heat Transfer Coefficient)^(1/3))+Radiation Heat Transfer Coefficient
Modified Heat of Vaporization
Modified Heat of Vaporization = (Latent Heat of Vaporization+(Specific Heat of Water Vapor)*((Plate Surface Temperature-Saturation Temperature)/2))
Modified Heat Transfer Coefficient under Influence of Pressure
Heat Transfer Coefficient at Some Pressure P = (Heat Transfer Coefficient at Atmospheric Pressure)*((System Pressure/Standard Atmospheric Pressure)^(0.4))
Correlation for Heat Flux proposed by Mostinski
Heat Transfer Coefficient For Nucleate Boiling = 0.00341*(Critical Pressure^2.3)*(Excess Temperature in Nucleate Boiling^2.33)*(Reduced Pressure^0.566)
Heat Transfer Coefficient for Forced Convection Local Boiling Inside Vertical Tubes
Heat Transfer Coefficient for Forced Convection = (2.54*((Excess Temperature)^3)*exp((System Pressure in Vertical Tubes)/1.551))
Heat Flux in Fully Developed Boiling State for Higher Pressures
Rate of Heat Transfer = 283.2*Area*((Excess Temperature)^(3))*((Pressure)^(4/3))
Heat Transfer Coefficient given Biot Number
Heat Transfer Coefficient = (Biot Number*Thermal Conductivity)/Thickness of Wall
Saturated Temperature given Excess Temperature
Saturation Temperature = Surface Temperature-Excess Temperature in Heat Transfer
Surface Temperature given Excess Temperature
Surface Temperature = Saturation Temperature+Excess Temperature in Heat Transfer
Excess Temperature in Boiling
Excess Temperature in Heat Transfer = Surface Temperature-Saturation Temperature
Heat Flux in Fully Developed Boiling State for Pressure upto 0.7 Megapascal
Rate of Heat Transfer = 2.253*Area*((Excess Temperature)^(3.96))

## Heat Flux in Fully Developed Boiling State for Pressure upto 0.7 Megapascal Formula

Rate of Heat Transfer = 2.253*Area*((Excess Temperature)^(3.96))
qrate = 2.253*A*((ΔTx)^(3.96))

## What is Heat Transfer?

Heat transfer is a discipline of thermal engineering that concerns the generation, use, conversion, and exchange of thermal energy between physical systems. Heat transfer is classified into various mechanisms, such as thermal conduction, thermal convection, thermal radiation, and transfer of energy by phase changes.

## Define Thermal Conductivity & Factors affecting it?

Thermal conductivity is defined as the ability of a substance to conduct heat. Factors Affecting The Thermal Conductivity are: Moisture, Density of material, Pressure, Temperature & Structure of material.

## How to Calculate Heat Flux in Fully Developed Boiling State for Pressure upto 0.7 Megapascal?

Heat Flux in Fully Developed Boiling State for Pressure upto 0.7 Megapascal calculator uses Rate of Heat Transfer = 2.253*Area*((Excess Temperature)^(3.96)) to calculate the Rate of Heat Transfer, The Heat Flux in Fully Developed Boiling State for Pressure upto 0.7 Megapascal formula is a function of area and excess temperature. Pressure range valid for this correlation is from 0.2 to 0.7MPa. Rate of Heat Transfer is denoted by qrate symbol.

How to calculate Heat Flux in Fully Developed Boiling State for Pressure upto 0.7 Megapascal using this online calculator? To use this online calculator for Heat Flux in Fully Developed Boiling State for Pressure upto 0.7 Megapascal, enter Area (A) & Excess Temperature (ΔTx) and hit the calculate button. Here is how the Heat Flux in Fully Developed Boiling State for Pressure upto 0.7 Megapascal calculation can be explained with given input values -> 279.495 = 2.253*5*((2.25)^(3.96)).

### FAQ

What is Heat Flux in Fully Developed Boiling State for Pressure upto 0.7 Megapascal?
The Heat Flux in Fully Developed Boiling State for Pressure upto 0.7 Megapascal formula is a function of area and excess temperature. Pressure range valid for this correlation is from 0.2 to 0.7MPa and is represented as qrate = 2.253*A*((ΔTx)^(3.96)) or Rate of Heat Transfer = 2.253*Area*((Excess Temperature)^(3.96)). The area is the amount of two-dimensional space taken up by an object & Excess Temperature is defined as the temperature difference between heat source and saturation temperature of the fluid.
How to calculate Heat Flux in Fully Developed Boiling State for Pressure upto 0.7 Megapascal?
The Heat Flux in Fully Developed Boiling State for Pressure upto 0.7 Megapascal formula is a function of area and excess temperature. Pressure range valid for this correlation is from 0.2 to 0.7MPa is calculated using Rate of Heat Transfer = 2.253*Area*((Excess Temperature)^(3.96)). To calculate Heat Flux in Fully Developed Boiling State for Pressure upto 0.7 Megapascal, you need Area (A) & Excess Temperature (ΔTx). With our tool, you need to enter the respective value for Area & Excess Temperature 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 Rate of Heat Transfer?
In this formula, Rate of Heat Transfer uses Area & Excess Temperature. We can use 2 other way(s) to calculate the same, which is/are as follows -
• Rate of Heat Transfer = 283.2*Area*((Excess Temperature)^(3))*((Pressure)^(4/3))
• Rate of Heat Transfer = 283.2*Area*((Excess Temperature)^(3))*((Pressure)^(4/3))
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