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Velocities ventilation ducts

Reference data et engineering information about velocities ventilation ducts pour hvac systems applications.

velocitiesventilationducts

Overview

Engineering reference data for Velocities Ventilation Ducts in HVAC systems.

Key Formulas

Sensible Heat

Q=m˙cpΔTQ = \dot{m} c_p \Delta T

Heat causing temperature change.

Latent Heat

Q=m˙hfgΔωQ = \dot{m} h_{fg} \Delta\omega

Heat causing moisture change.

COP (Cooling)

COP=Qc/WCOP = Q_c / W

Coefficient of performance.

Variables

SymbolDescriptionUnit
QQHeat transferW
m˙\dot{m}Mass flow ratekg/s
cpc_pSpecific heat of airJ/(kg·K)
ΔT\Delta TTemperature differenceK

References