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Useful heat gain in liquid storage tank Formula

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Useful heat gain is defined as the rate of heat transfer to the working fluid. Check FAQs

q u = m \cdot C p molar \cdot (T fo - T l)

q_u - Useful heat gain?m - Mass Flow Rate during Charging and Discharging?C_{p molar} - Molar Specific Heat Capacity at Constant Pressure?T_fo - Temperature of Liquid from Collector?T_l - Temperature of Liquid in Tank?

Useful heat gain in liquid storage tank Example

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Here is how the Useful heat gain in liquid storage tank equation looks like with Values.

Here is how the Useful heat gain in liquid storage tank equation looks like with Units.

Here is how the Useful heat gain in liquid storage tank equation looks like.

-91500 = 25 \cdot 122 \cdot (320 - 350)

-91500W = 25kg/s \cdot 122J/K*mol \cdot (320K - 350K)

-91500 = 25 \cdot 122 \cdot (320 - 350)

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Useful heat gain in liquid storage tank Solution

Follow our step by step solution on how to calculate Useful heat gain in liquid storage tank?

FIRST Step Consider the formula

q u = m \cdot C p molar \cdot (T fo - T l)

Next Step Substitute values of Variables

∴

q u = 25kg/s \cdot 122J/K*mol \cdot (320K - 350K)

Next Step Prepare to Evaluate

∴

q u = 25 \cdot 122 \cdot (320 - 350)

LAST Step Evaluate

∴

q u = -91500W

Useful heat gain in liquid storage tank Formula Elements

Variables

Useful heat gain

Useful heat gain is defined as the rate of heat transfer to the working fluid.

Symbol: q_u

Measurement: PowerUnit: W

Note: Value can be positive or negative.

Formulas to find Useful heat gain

Mass Flow Rate during Charging and Discharging

Mass Flow Rate during Charging and Discharging is defined as the amount of transfer fluid flowing through the storage device per unit time.

Symbol: m

Measurement: Mass Flow RateUnit: kg/s

Note: Value should be greater than 0.

Formulas to find Mass Flow Rate during Charging and Discharging

Molar Specific Heat Capacity at Constant Pressure

Molar Specific Heat Capacity at Constant Pressure, (of a gas) is the amount of heat required to raise the temperature of 1 mol of the gas by 1 °C at the constant pressure.

Symbol: C_{p molar}

Measurement: Molar Specific Heat Capacity at Constant PressureUnit: J/K*mol

Note: Value should be greater than 0.

Formulas to find Molar Specific Heat Capacity at Constant Pressure

Temperature of Liquid from Collector

Temperature of liquid from collector is the temperature increase in the fluid after absorbing incident radiation from sun.

Symbol: T_fo

Measurement: TemperatureUnit: K

Note: Value should be greater than 0.

Formulas to find Temperature of Liquid from Collector

Temperature of Liquid in Tank

Temperature of liquid in tank is the uniform temperature of the well-mixed liquid which only varies with time.

Symbol: T_l

Measurement: TemperatureUnit: K

Note: Value should be greater than 0.

Formulas to find Temperature of Liquid in Tank

Other formulas in Thermal Energy Storage category

Go Liquid Temperature given Useful Heat Gain

T l = T fo - (\frac{q u}{m \cdot C p molar})

Go Energy Discharge Rate to Load

q load = m load \cdot C p molar \cdot (T l - T i)

Go Liquid Temperature given Energy Discharge Rate

T l = (\frac{q load}{m load \cdot C pk}) + T i

Go Make up Liquid Temperature given Energy Discharge Rate

T i = T l - (\frac{q load}{m load \cdot C pk})

How to Evaluate Useful heat gain in liquid storage tank?

Useful heat gain in liquid storage tank evaluator uses Useful heat gain = Mass Flow Rate during Charging and Discharging*Molar Specific Heat Capacity at Constant Pressure*(Temperature of Liquid from Collector-Temperature of Liquid in Tank) to evaluate the Useful heat gain, The Useful heat gain in liquid storage tank formula is defined as the amount of heat absorbed from the incident radiation from the sun which has further applications. Useful heat gain is denoted by q_u symbol.

How to evaluate Useful heat gain in liquid storage tank using this online evaluator? To use this online evaluator for Useful heat gain in liquid storage tank, enter Mass Flow Rate during Charging and Discharging (m), Molar Specific Heat Capacity at Constant Pressure (C_{p molar}), Temperature of Liquid from Collector (T_fo) & Temperature of Liquid in Tank (T_l) and hit the calculate button.

FAQs on Useful heat gain in liquid storage tank

What is the formula to find Useful heat gain in liquid storage tank?

The formula of Useful heat gain in liquid storage tank is expressed as Useful heat gain = Mass Flow Rate during Charging and Discharging*Molar Specific Heat Capacity at Constant Pressure*(Temperature of Liquid from Collector-Temperature of Liquid in Tank). Here is an example- -91500 = 25*122*(320-350).

How to calculate Useful heat gain in liquid storage tank?

With Mass Flow Rate during Charging and Discharging (m), Molar Specific Heat Capacity at Constant Pressure (C_{p molar}), Temperature of Liquid from Collector (T_fo) & Temperature of Liquid in Tank (T_l) we can find Useful heat gain in liquid storage tank using the formula - Useful heat gain = Mass Flow Rate during Charging and Discharging*Molar Specific Heat Capacity at Constant Pressure*(Temperature of Liquid from Collector-Temperature of Liquid in Tank).

Can the Useful heat gain in liquid storage tank be negative?

Yes, the Useful heat gain in liquid storage tank, measured in Power can be negative.

Which unit is used to measure Useful heat gain in liquid storage tank?

Useful heat gain in liquid storage tank is usually measured using the Watt[W] for Power. Kilowatt[W], Milliwatt[W], Microwatt[W] are the few other units in which Useful heat gain in liquid storage tank can be measured.

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Useful heat gain in liquid storage tank Formula

Useful heat gain in liquid storage tank Example

Useful heat gain in liquid storage tank Solution

Useful heat gain in liquid storage tank Formula Elements

Other formulas in Thermal Energy Storage category

How to Evaluate Useful heat gain in liquid storage tank?

FAQs on Useful heat gain in liquid storage tank

Variable Name