CALCULATORS / THERMAL
Heat transfer and temperature
Lumped or low-dimensional thermal models with explicit properties.
Steady conduction calculator
material conductivity, geometry, temperature difference → heat flow, thermal resistance
Open the calculator ↗LIVE / CALCULATORConvective heat transfer calculator
area, temperature difference, stated heat-transfer coefficient → heat flow, coefficient sensitivity
Open the calculator ↗LIVE / CALCULATORRadiative heat transfer calculator
surface temperatures, emissivity, area, view-factor assumption → net radiative power
Open the calculator ↗LIVE / CALCULATORThermal-resistance network calculator
thermal resistances, heat sources, boundary temperatures → node temperatures, heat flows
Open the calculator ↗LIVE / ESTIMATORHeat-sink thermal budget calculator
device losses, ambient, junction limit, interface resistances → required sink resistance, margin
Open the calculator ↗LIVE / CALCULATORHeating time and energy calculator
mass, heat capacity, start/end temperature, heater losses → energy, heat-up time
Open the calculator ↗LIVE / CALCULATORLumped cooling time calculator
thermal mass, conductance, ambient, initial temperature → cool-down curve, target time
Open the calculator ↗LIVE / ESTIMATORHeat-exchanger screening calculator
flow rates, heat capacities, temperatures, UA or effectiveness → duty, outlet temperatures
Open the calculator ↗LIVE / CALCULATORInsulation thickness tradeoff calculator
conductivities, areas, boundary temperatures, target heat loss → heat leak, thickness sensitivity
Open the calculator ↗LIVE / CALCULATORThermal gap and assembly clearance calculator
material expansions, lengths, temperature range → gap range, interference screening
Open the calculator ↗LIVE / CALCULATORMelting and latent-heat storage calculator
mass, latent heat, temperature path, power → stored energy, transition time
Open the calculator ↗LIVE / CALCULATORAirflow for electronic cooling calculator
heat load, allowed air rise, air properties → airflow requirement, idealized temperature rise
Open the calculator ↗LIVE / ESTIMATORThermoelectric hot-side heat rejection calculator
load, temperature lift, calibrated device curves, sink resistance → power demand, achievable temperature range
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