Reduced Temperature Calculator

✖Temperature is the degree or intensity of heat present in a substance or object.ⓘ Temperature [T]			+10% -10%
✖Critical Temperature is the highest temperature at which the substance can exist as a liquid. At this phase boundaries vanish, and the substance can exist both as a liquid and vapor.ⓘ Critical Temperature [T_c]			+10% -10%

✖Reduced Temperature is the ratio of the actual temperature of the fluid to its critical temperature. It is dimensionless.ⓘ Reduced Temperature [T_r]

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Formula

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Reduced Temperature

Formula

`"T"_{"r"} = "T"/"T"_{"c"}`

Example

`"0.695518"="450K"/"647K"`

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Reduced Temperature Solution

STEP 0: Pre-Calculation Summary

Formula Used

Reduced Temperature = Temperature/Critical Temperature
T_r = T/T_c
This formula uses 3 Variables

Variables Used

Reduced Temperature - Reduced Temperature is the ratio of the actual temperature of the fluid to its critical temperature. It is dimensionless.
Temperature - (Measured in Kelvin) - Temperature is the degree or intensity of heat present in a substance or object.
Critical Temperature - (Measured in Kelvin) - Critical Temperature is the highest temperature at which the substance can exist as a liquid. At this phase boundaries vanish, and the substance can exist both as a liquid and vapor.

STEP 1: Convert Input(s) to Base Unit

Temperature: 450 Kelvin --> 450 Kelvin No Conversion Required
Critical Temperature: 647 Kelvin --> 647 Kelvin No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

T_r = T/T_c --> 450/647

Evaluating ... ...

T_r = 0.695517774343122

STEP 3: Convert Result to Output's Unit

0.695517774343122 --> No Conversion Required

FINAL ANSWER

0.695517774343122 ≈ 0.695518 <-- Reduced Temperature

(Calculation completed in 00.004 seconds)

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Home » Engineering » Chemical Engineering » Thermodynamics » Volumetric Properties of Pure Fluids » Equation of States » Reduced Temperature

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Created by Suman Ray Pramanik

Indian Institute of Technology (IIT), Kanpur

Suman Ray Pramanik has created this Calculator and 50+ more calculators!

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< 21 Equation of States Calculators

Compressibility Factor using B(0) and B(1) of Pitzer Correlations for Second Virial Coefficient

Go Compressibility Factor = 1+((Pitzer Correlations Coefficient B(0)*Reduced Pressure)/Reduced Temperature)+((Acentric Factor*Pitzer Correlations Coefficient B(1)*Reduced Pressure)/Reduced Temperature)

B(0) given Z(0) using Pitzer Correlations for Second Virial Coefficient

Go Pitzer Correlations Coefficient B(0) = modulus(((Pitzer Correlations Coefficient Z(0)-1)*Reduced Temperature)/Reduced Pressure)

Reduced Second Virial Coefficient using Second Virial Coefficient

Go Reduced Second Virial Coefficient = (Second Virial Coefficient*Critical Pressure)/([R]*Critical Temperature)

Second Virial Coefficient using Reduced Second Virial Coefficient

Go Second Virial Coefficient = (Reduced Second Virial Coefficient*[R]*Critical Temperature)/Critical Pressure

Acentric Factor using B(0) and B(1) of Pitzer Correlations for Second Virial Coefficient

Go Acentric Factor = (Reduced Second Virial Coefficient-Pitzer Correlations Coefficient B(0))/Pitzer Correlations Coefficient B(1)

Reduced Second Virial Coefficient using B(0) and B(1)

Go Reduced Second Virial Coefficient = Pitzer Correlations Coefficient B(0)+Acentric Factor*Pitzer Correlations Coefficient B(1)

Z(0) given B(0) using Pitzer Correlations for Second Virial Coefficient

Go Pitzer Correlations Coefficient Z(0) = 1+((Pitzer Correlations Coefficient B(0)*Reduced Pressure)/Reduced Temperature)

Acentric Factor using Pitzer Correlations for Compressibility Factor

Go Acentric Factor = (Compressibility Factor-Pitzer Correlations Coefficient Z(0))/Pitzer Correlations Coefficient Z(1)

Compressibility Factor using Second Virial Coefficient

Go Compressibility Factor = 1+((Second Virial Coefficient*Pressure)/([R]*Temperature))

Compressibility Factor using Pitzer Correlations for Compressibility Factor

Go Compressibility Factor = Pitzer Correlations Coefficient Z(0)+Acentric Factor*Pitzer Correlations Coefficient Z(1)

Z(1) given B(1) using Pitzer Correlations for Second Virial Coefficient

Go Pitzer Correlations Coefficient Z(1) = (Pitzer Correlations Coefficient B(1)*Reduced Pressure)/Reduced Temperature

B(1) given Z(1) using Pitzer Correlations for Second Virial Coefficient

Go Pitzer Correlations Coefficient B(1) = (Pitzer Correlations Coefficient Z(1)*Reduced Temperature)/Reduced Pressure

Second Virial Coefficient using Compressibility Factor

Go Second Virial Coefficient = ((Compressibility Factor-1)*[R]*Temperature)/Pressure

Compressibility Factor using Reduced Second Virial Coefficient

Go Compressibility Factor = 1+((Reduced Second Virial Coefficient*Reduced Pressure)/Reduced Temperature)

Reduced Second Virial Coefficient using Compressibility Factor

Go Reduced Second Virial Coefficient = ((Compressibility Factor-1)*Reduced Temperature)/Reduced Pressure

Saturated Reduced Pressure at Reduced Temperature 0.7 using Acentric Factor

Go Saturated Reduced Pressure at Reduced Temp 0.7 = exp(-1-Acentric Factor)

Acentric Factor using Saturated Reduced Pressure given at Reduced Temperature 0.7

Go Acentric Factor = -1-ln(Saturated Reduced Pressure at Reduced Temp 0.7)

Reduced Temperature

Go Reduced Temperature = Temperature/Critical Temperature

B(0) using Abbott Equations

Go Pitzer Correlations Coefficient B(0) = 0.083-0.422/(Reduced Temperature^1.6)

B(1) using Abbott Equations

Go Pitzer Correlations Coefficient B(1) = 0.139-0.172/(Reduced Temperature^4.2)

Reduced Pressure

Go Reduced Pressure = Pressure/Critical Pressure

< 11 Temperature Calculators

Temperature after given Time

Go Temperature = Surrounding Temperature+(Surrounding Temperature-Initial Temperature)*e^(-Temperature constant*Time)

Bypass Factor

Go By Pass Factor = (Intermediate Temperature-Final Temperature)/(Intermediate Temperature-Initial Temperature)

Temperature of Gas given Average Speed of Gas

Go Temperature of Gas = (Average Speed of Gas^2)*pi*Molar Mass/(8*[R])

Equipartition Energy for Molecule having n Degrees of Freedom

Go Equipartition Energy = (Degree of Freedom*[BoltZ]*Temperature of Gas)/2

Temperature of Gas using Equipartition Energy for Molecule

Go Temperature of Gas = 2*Equipartition Energy/(Degree of Freedom*[BoltZ])

Temperature of Gas given RMS Velocity of Gas

Go Temperature of Gas = Root Mean Square Velocity^2*Molar Mass/(3*[R])

Absolute Temperature

Go Absolute Temperature = Heat from Low Temperature Reservoir/Heat from High Temperature Reservoir

Temperature of Gas given Most Probable Speed of Gas

Go Temperature of Gas = Most Probable Speed^2*Molar Mass/(2*[R])

Equipartition Energy

Go Equipartition Energy = ([BoltZ]*Temperature of Gas)/2

Reduced Temperature

Go Reduced Temperature = Temperature/Critical Temperature

Temperature of Gas given Equipartition energy

Go Temperature of Gas = Equipartition Energy*2/[BoltZ]

Reduced Temperature Formula

Reduced Temperature = Temperature/Critical Temperature
T_r = T/T_c

What is Reduced Temperature?

Reduced Temperature is the ratio of the temperature of the fluid to its critical temperature. Its value is always greater than 0 and less than or equal to 1.

How to Calculate Reduced Temperature?

Reduced Temperature calculator uses Reduced Temperature = Temperature/Critical Temperature to calculate the Reduced Temperature, Reduced Temperature is the ratio of the temperature of the fluid to its critical temperature. This is often used in thermodynamic formulas. It is often used for thermodynamic calculations. Reduced Temperature is denoted by T_r symbol.

How to calculate Reduced Temperature using this online calculator? To use this online calculator for Reduced Temperature, enter Temperature (T) & Critical Temperature (T_c) and hit the calculate button. Here is how the Reduced Temperature calculation can be explained with given input values -> 0.695518 = 450/647.

FAQ

What is Reduced Temperature?

Reduced Temperature is the ratio of the temperature of the fluid to its critical temperature. This is often used in thermodynamic formulas. It is often used for thermodynamic calculations and is represented as T_r = T/T_c or Reduced Temperature = Temperature/Critical Temperature. Temperature is the degree or intensity of heat present in a substance or object & Critical Temperature is the highest temperature at which the substance can exist as a liquid. At this phase boundaries vanish, and the substance can exist both as a liquid and vapor.

How to calculate Reduced Temperature?

Reduced Temperature is the ratio of the temperature of the fluid to its critical temperature. This is often used in thermodynamic formulas. It is often used for thermodynamic calculations is calculated using Reduced Temperature = Temperature/Critical Temperature. To calculate Reduced Temperature, you need Temperature (T) & Critical Temperature (T_c). With our tool, you need to enter the respective value for Temperature & Critical Temperature and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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