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Specific heat of air during humidification Formula

GoSpecific heat of air given gas constant Formula

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Specific heat of air is the heat required to raise the temperature of a air by one degree to that required to raise the temperature of an equal mass of water one degree. Check FAQs

cp = (Yw - Y∞) \cdot \frac{hfg}{(T - T∞) \cdot {L e}^{0.67}}

cp - Specific Heat of Air?Yw - Absolute Humidity of Air(tw)?Y∞ - Absolute Humidity of Air(atm)?hfg - Enthalpy of Evaporation?T - Temperature?T∞ - Air Temperature?L_e - Lewis Number?

Specific heat of air during humidification Example

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Here is how the Specific heat of air during humidification equation looks like with Values.

Here is how the Specific heat of air during humidification equation looks like with Units.

Here is how the Specific heat of air during humidification equation looks like.

-3.9425 = (6 - 12) \cdot \frac{90}{(85 - 35) \cdot {4.5}^{0.67}}

-3.9425J/(kg*K) = (6 - 12) \cdot \frac{90J/kg*K}{(85K - 35) \cdot {4.5}^{0.67}}

-3.9425 = (6 - 12) \cdot \frac{90}{(85 - 35) \cdot {4.5}^{0.67}}

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Specific heat of air during humidification Solution

Follow our step by step solution on how to calculate Specific heat of air during humidification?

FIRST Step Consider the formula

cp = (Yw - Y∞) \cdot \frac{hfg}{(T - T∞) \cdot {L e}^{0.67}}

Next Step Substitute values of Variables

∴

cp = (6 - 12) \cdot \frac{90J/kg*K}{(85K - 35) \cdot {4.5}^{0.67}}

Next Step Prepare to Evaluate

∴

cp = (6 - 12) \cdot \frac{90}{(85 - 35) \cdot {4.5}^{0.67}}

Next Step Evaluate

∴

cp = -3.94249699753119J/(kg*K)

LAST Step Rounding Answer

∴

cp = -3.9425J/(kg*K)

Specific heat of air during humidification Formula Elements

Variables

Specific Heat of Air

Specific heat of air is the heat required to raise the temperature of a air by one degree to that required to raise the temperature of an equal mass of water one degree.

Symbol: cp

Measurement: Specific Heat CapacityUnit: J/(kg*K)

Note: Value can be positive or negative.

Formulas to find Specific Heat of Air

Absolute Humidity of Air(tw)

Absolute Humidity of Air(tw) is the amount of water contained in a parcel of air at wet bulb temperature.

Symbol: Yw

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Absolute Humidity of Air(tw)

Absolute Humidity of Air(atm)

Absolute humidity of air(atm) is the amount of water contained in a parcel of air at atmospheric temperature.

Symbol: Y∞

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Absolute Humidity of Air(atm)

Enthalpy of Evaporation

Enthalpy of evaporation is the amount of energy (enthalpy) that must be added to a liquid substance to transform a quantity of that substance into a gas.

Symbol: hfg

Measurement: Specific EntropyUnit: J/kg*K

Note: Value can be positive or negative.

Formulas to find Enthalpy of Evaporation

Temperature

Temperature is the degree or intensity of heat present in a substance or object.

Symbol: T

Measurement: TemperatureUnit: K

Note: Value can be positive or negative.

Formulas to find Temperature

Air Temperature

Air temperature is the temperature of the air surrounding an individual and is typically measured in degrees Celsius (°C) or in Kelvin.

Symbol: T∞

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Air Temperature

Lewis Number

The Lewis Number is a dimensionless number defined as the ratio of thermal diffusivity to mass diffusivity.

Symbol: L_e

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Lewis Number

Other Formulas to find Specific Heat of Air

Go Specific heat of air given gas constant

cp = ((\frac{hfg \cdot (Pw - P∞)}{Rw \cdot ρ \cdot (T∞ - T w) \cdot Tf \cdot ({L e}^{0.67})}))

Other formulas in Humidification category

Go Enthalpy of evaporation for water in humidification

hfg = \frac{h Conv \cdot (T∞ - T w)}{k L \cdot (Pw - P∞)}

Go Convective mass transfer coefficient in humidification

k L = \frac{h Conv \cdot (T∞ - T w)}{hfg \cdot (Pw - P∞)}

How to Evaluate Specific heat of air during humidification?

Specific heat of air during humidification evaluator uses Specific Heat of Air = (Absolute Humidity of Air(tw)-Absolute Humidity of Air(atm))*Enthalpy of Evaporation/((Temperature-Air Temperature)*Lewis Number^0.67) to evaluate the Specific Heat of Air, The Specific heat of air during humidification formula is defined as the heat required to increase the temperature of air by one degree for humidification. Specific Heat of Air is denoted by cp symbol.

How to evaluate Specific heat of air during humidification using this online evaluator? To use this online evaluator for Specific heat of air during humidification, enter Absolute Humidity of Air(tw) (Yw), Absolute Humidity of Air(atm) (Y∞), Enthalpy of Evaporation (hfg), Temperature (T), Air Temperature (T∞) & Lewis Number (L_e) and hit the calculate button.

FAQs on Specific heat of air during humidification

What is the formula to find Specific heat of air during humidification?

The formula of Specific heat of air during humidification is expressed as Specific Heat of Air = (Absolute Humidity of Air(tw)-Absolute Humidity of Air(atm))*Enthalpy of Evaporation/((Temperature-Air Temperature)*Lewis Number^0.67). Here is an example- -3.504442 = (6-12)*90/((85-35)*4.5^0.67).

How to calculate Specific heat of air during humidification?

With Absolute Humidity of Air(tw) (Yw), Absolute Humidity of Air(atm) (Y∞), Enthalpy of Evaporation (hfg), Temperature (T), Air Temperature (T∞) & Lewis Number (L_e) we can find Specific heat of air during humidification using the formula - Specific Heat of Air = (Absolute Humidity of Air(tw)-Absolute Humidity of Air(atm))*Enthalpy of Evaporation/((Temperature-Air Temperature)*Lewis Number^0.67).

What are the other ways to Calculate Specific Heat of Air?

Here are the different ways to Calculate Specific Heat of Air-

Specific Heat of Air=(((Enthalpy of Evaporation*(Partial Pressure-Partial Pressure in air))/(Gas constant*Density*(Air Temperature-Wet Bulb Temperature)*Mean Temperature*(Lewis Number^0.67))))

Can the Specific heat of air during humidification be negative?

Yes, the Specific heat of air during humidification, measured in Specific Heat Capacity can be negative.

Which unit is used to measure Specific heat of air during humidification?

Specific heat of air during humidification is usually measured using the Joule per Kilogram per K[J/(kg*K)] for Specific Heat Capacity. Joule per Kilogram per Celcius[J/(kg*K)], Kilojoule per Kilogram per K[J/(kg*K)], Kilojoule per Kilogram per Celcius[J/(kg*K)] are the few other units in which Specific heat of air during humidification can be measured.

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Specific heat of air during humidification Formula

​GoSpecific heat of air given gas constant Formula

Specific heat of air during humidification Example

Specific heat of air during humidification Solution

Specific heat of air during humidification Formula Elements

Other Formulas to find Specific Heat of Air

Other formulas in Humidification category

How to Evaluate Specific heat of air during humidification?

FAQs on Specific heat of air during humidification

Variable Name

GoSpecific heat of air given gas constant Formula