Author: grishu312@gmail.com

  • Air Conditioning Load Calculator

    Air Conditioning Load Calculator

    Estimates sensible & latent cooling loads. Units SI. Defaults are editable.

    Space & Airflow

    Transmission (U·A)

    Enter each surface as Area (m²) and U (W/m²·K). Add multiple by pressing +Add. Use 0 area to ignore.

    Internal Gains

    Solar through glazing (simplified)

    SHGF depends on orientation/time; user may change it.
  • Refrigeration Cycle COP Calculator

    Refrigeration & Heat Pump COP Calculator

    Temperatures converted to Kelvin automatically
  • Thermodynamic Cycle Efficiency Calculator

    Thermodynamic Cycle Efficiency Calculator

  • Radiation Heat Transfer Calculator

    Radiation Heat Transfer Calculator

  • Radiation Heat Transfer Calculator

    Radiation Heat Transfer Calculator

  • Conduction Heat Transfer Calculator

    Conduction Heat Transfer Calculator

  • Convection Heat Transfer Calculator

    Convection Heat Transfer Calculator

    Choose flow type, enter geometry & fluid properties. Calculates Re, Pr, Nu, h and Q = h·A·ΔT.

    Fluid properties (SI). Edit if preset = Custom

  • Heat Exchanger — LMTD Design Calculator

    Heat Exchanger Design — LMTD Method

    Choose input method and enter temperatures. Cp may be entered as kJ/kg·K (typical) or J/kg·K.

    Hot stream (supply)

    Cold stream (receive)

    Typical water Cp ≈ 4.18 kJ/kg·K

  • Pneumatic Cylinder Force Calculator

    Pneumatic Cylinder Force Calculator

    Enter cylinder geometry, operating pressure and losses. Results: thrust (extend) and pull (retract) forces.

    Default unit: mm
    Same unit as bore. For single-acting you can ignore.