Class HeatTransfer

java.lang.Object

org.episteme.natural.engineering.thermal.HeatTransfer

public class HeatTransfer
extends Object

Fundamental heat transfer calculations. Modernized to use high-precision Real and typed Quantities.

Since:

1.0

Author:

Silvere Martin-Michiellot, Gemini AI (Google DeepMind)

Method Summary

Modifier and Type	Method	Description
static Quantity<Power>	conduction(Real thermalConductivity, Quantity<Area> area, Quantity<Temperature> temperatureDifference, Quantity<Length> thickness)	Fourier's Law for heat conduction.
static Quantity<Power>	convection(Real convectionCoefficient, Quantity<Area> area, Quantity<Temperature> temperatureDifference)	Newton's Law of Cooling for convection.
static Quantity<Power>	radiation(Real emissivity, Quantity<Area> area, Quantity<Temperature> surfaceTemp, Quantity<Temperature> surroundingTemp)	Stefan-Boltzmann Law for radiation.
static Real	thermalResistance(Quantity<Length> thickness, Real thermalConductivity, Quantity<Area> area)	Thermal resistance for conduction.

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

conduction

public static Quantity<Power> conduction(Real thermalConductivity,
 Quantity<Area> area,
 Quantity<Temperature> temperatureDifference,
 Quantity<Length> thickness)

Fourier's Law for heat conduction. Q = k * A * ΔT / d

Parameters:

thermalConductivity - k (W/(m·K))

area - Cross-sectional area

temperatureDifference - ΔT

thickness - d

Returns:

Heat transfer rate

convection

public static Quantity<Power> convection(Real convectionCoefficient,
 Quantity<Area> area,
 Quantity<Temperature> temperatureDifference)

Newton's Law of Cooling for convection. Q = h * A * ΔT

Parameters:

convectionCoefficient - h (W/(m²·K))

area - Surface area

temperatureDifference - ΔT

Returns:

Heat transfer rate

radiation

public static Quantity<Power> radiation(Real emissivity,
 Quantity<Area> area,
 Quantity<Temperature> surfaceTemp,
 Quantity<Temperature> surroundingTemp)

Stefan-Boltzmann Law for radiation. Q = ε * σ * A * (T⁴ - T_surr⁴)

Parameters:

emissivity - ε (0-1)

area - Surface area

surfaceTemp - T

surroundingTemp - T_surr

Returns:

Heat transfer rate

thermalResistance

public static Real thermalResistance(Quantity<Length> thickness,
 Real thermalConductivity,
 Quantity<Area> area)

Thermal resistance for conduction. R = d / (k * A)

Returns:

Thermal resistance (K/W)