โก Thermodynamics Calculators
Analyze gas properties, power cycles, and refrigeration systems with Fortran-powered precision tools.
๐จ Gas Properties
Ideal Gas Law
Solve for P, V, T, or n with 7 gas presets. Includes process calculations and P-V diagram visualization.
Steam Tables
NBS/NRC steam property lookup: saturated, subcooled, superheated, and supercritical water/steam properties.
Steam Tables Advanced (IAPWS)
Calculate high-precision steam properties using the international industrial IAPWS-IF97 formulation, supporting multiple input combinations.
Real Gas Equations of State
Evaluate compressibility factor Z, molar volume, and departure functions using van der Waals, RK, and PR models.
Isentropic & Polytropic Processes
Analyze ideal gas expansion and compression processes, computing work, heat, and final state properties.
Joule-Thomson Throttling
Analyze isenthalpic expansion and throttling of real gases. Compute temperature changes and inversion curves.
Adiabatic Flame Temperature
Calculate flame temperatures for fuel combustion under constant pressure or constant volume conditions.
Entropy & Exergy Analysis
Evaluate entropy generation, exergy destruction, and second-law efficiencies for control volumes.
๐ญ Power Cycles
Rankine Cycle
Steam power plant analysis: simple and reheat configurations with T-s diagram and efficiency calculations.
Brayton Cycle
Gas turbine power plant analysis: simple, regeneration, intercooling, and reheat configurations.
Otto & Diesel Cycles
Internal combustion engine analysis: Otto and Diesel cycles with compression ratio, efficiencies, and P-v diagram.
Combined Cycle
Model gas turbine topping and steam bottoming cycles with HRSG pinch point analysis.
Regenerative Rankine Cycle
Analyze steam power cycles with open or closed feedwater heaters. Compute extraction fractions and efficiency gains.
Organic Rankine Cycle (ORC)
Evaluate low-temperature geothermal or waste heat recovery power cycles using organic working fluids.
Stirling & Ericsson Cycles
Model Stirling and Ericsson engines with perfect regeneration. Generate P-V and T-s cycle diagrams.
Fuel Cell Thermodynamics
Analyze thermodynamic limits, Nernst potential, and efficiencies of PEM and Solid Oxide fuel cells (SOFC).
โ๏ธ Refrigeration & HVAC
Refrigeration Cycle
Vapor compression cycle analysis with 4 refrigerant options. COP, cooling capacity in kW/BTU/tons.
Psychrometrics
Moist air properties, wet-bulb temperature, humidity ratio, specific volume, enthalpy, and psychrometric chart.
Absorption Refrigeration
Model NHโ-HโO and LiBr-HโO absorption refrigeration systems. Compute COP, circulation ratio, and heat duties.
Linde-Hampson Gas Liquefaction
Model cryogenics gas liquefaction cycles. Compute liquid fraction yield and compressor work requirements.
Carnot Heat Pump & Refrigerator
Analyze limits of theoretical heating and cooling cycles. Compute Carnot COP and thermodynamic performance.
Psychrometric Processes
Analyze air conditioning processes: heating, cooling, mixing, and humidification on moisture-air sweeps.