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Dimensional analysis et dimensionless numbers

Buckingham pi theorem, dimensional analysis method, et key dimensionless numbers in engineering.

dimensionalanalysis

Overview

Engineering reference data for Dimensional Analysis and Dimensionless Numbers in basics.

Key Formulas

Ohm's Law

V=IRV = IR

Voltage = Current × Resistance.

Newton's Second Law

F=maF = ma

Force = mass × acceleration.

Conservation of Energy

Ein=Eout+ΔEstoredE_{in} = E_{out} + \Delta E_{stored}

Energy balance.

Variables

SymbolDescriptionUnit
VVVoltageV
IICurrentA
RRResistanceΩ
FFForceN
mmMasskg
aaAccelerationm/s²

References