WSCycle Water Steam Caclulator

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Everyone
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Content rating
Everyone
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About this app

WSCycle — Water Steam Cycle Calculator — calculates a simple water-steam cycle based on the Clausius–Rankine process. Steam properties use the same IAPWS-IF97 model as STuC. Built for engineering estimates, teaching, and quick “what if” checks on the go.

HOW IT WORKS
• The cycle schematic is the interface — tap a value on boiler, turbine, condenser or pump
• Adjust parameters with sliders (free version: sliders only, no direct numeric entry)
• After Apply the full cycle recalculates immediately
• Mass flow is a global cycle quantity above the schematic
• Results: net power, thermal efficiency, boiler and condenser heat rates
• Wet steam at turbine exhaust is highlighted with steam quality x
• h–s diagram with process path and a coarse grid
• Copy results for notes or email

DESIGNED FOR ENGINEERS
• Free, ad-free, fully offline — no account, no telemetry
• German and English interface
• The same thermodynamic truth as STuC (IAPWS-IF97)
• Extended efficiencies: isentropic turbine/pump, mechanical, generator, pump motor, boiler
• Direct numeric entry will follow later in WSCycle PRO

UNITS
• Pressure: bar absolute (condenser up to 0.9 bar a)
• Temperature: °C
• Mass flow: kg/s
• Power / heat: kW
• Efficiencies: %
• Enthalpy: kJ/kg · Entropy: kJ/(kg·K)

IMPORTANT
This app is provided in good faith but without warranty of correctness or completeness. Always verify critical calculations with your own methods and professional judgment.

By MyEngineeringTools
Feedback: myengineering@posteo.de
Clausius–Rankine with IAPWS: boiler, turbine, condenser, pump — via sliders.
Updated on
Sep 6, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • No data collected
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What’s new

Initial release.

• Simple water-steam cycle (Clausius–Rankine)
• Steam properties as in STuC (IAPWS-IF97)
• Slider-based input (free)
• h–s diagram and copy results
Content rating
Everyone
Learn more

App support

Phone number
+4915226212576
About the developer
Christian Kaiser
myengineering@posteo.de
Zum Wildenstein 25 42579 Heiligenhaus Germany
+49 1522 6212576

More by Christian Peter Kaiser