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1. www.engineeringtoolbox.com › cooling-heating-equations-d_747Cooling and Heating Equations - The Engineering ToolBox

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   25 lis 2010 · Latent Heat. Latent heat due to the moisture in air can be calculated in SI-units as: h l = ρ h we q dw kg (2) where . h l = latent heat (kW) ρ = density of air (1.202 kg/m 3) q = air volume flow (m 3 /s) h we = latent heat evaporization water ( 2454 kJ/kg - in air at atmospheric pressure and 20 o C) dw kg = humidity ratio difference (kg ...

2. www.eng-tips.com › threads › latent-load-calcLatent Load Calc. - HVAC/R engineering | Eng-Tips

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   2 paź 2003 · To Calculate the latent heat load, the energy equation starts: QL=Mw*change in enthalpy=Ma*change in humidity ratio*latent heat of vaporization. Mw=mass flow rate of water

3. hvacdesigntools.net › hvac_equationsHVAC Tools and Calculators

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   Sensible Heat Formula. BTU/HR = 1.08 * CFM * ΔT. Total Heat Formula. BTU/HR = 4.5 * CFM * ΔH. Latent Heat Formula. BTU/HR = 0.69 * CFM * Δgr. GPM Formula. GPM = BTU/HR(Airside) / (water ΔT x 500) Air Change Rate Formula. ACH = (CFM * 60) / Volume. Coefficient of Performance (COP) COP = BTU Output / BTU Input = EER / 3.413. Energy Efficiency ...

4. mepacademy.com › how-to-calculate-sensible-and-latent-heat-transfer-for-airHow to Calculate Sensible and Latent Heat Transfer for Air

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   25 kwi 2022 · Learn how to calculate the sensible and latent heat transfer for air using this simple formula for Btu's, CFM and Delta Enthalpy.

5. hvac-talk.com › vbb › attachmentLatent and Sensible Heat Formulae and Derivations - HVAC-Talk

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   Latent heat transfers are indicated on the right hand side of the psychrometric chart on the “grains per pound of dry air” and “pounds of moisture per pound of dry air” scales.

6. www.engineeringtoolbox.com › latent-sensible-cooling-load-d_245Cooling Load - Latent and Sensible Heat - The Engineering ToolBox

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   25 lis 2010 · Latent heat is the heat when supplied to or removed from air results in a change in moisture content - the temperature of the air is not changed. The ratio Sensible Heat (or Cooling) Load to the Total Heat (or Cooling) Load. Calculate steam heated air systems. Search is the most efficient way to navigate the Engineering ToolBox.

7. www.omnicalculator.com › physics › latent-heatLatent Heat Calculator

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   5 cze 2024 · To calculate latent heat, you need to multiply two numbers: Specific latent heat, the energy absorbed or released during a phase transition per kilogram of substance; and; The mass of the substance. latent heat = specific latent heat × mass