Thermodynamic properties and cycles with CoolProp: fluid states, refrigeration, Rankine, Brayton.
Scored across 3 tools
fluid_state and solve_worksheet have some overlap because both can return thermodynamic state information, but the descriptions clarify that fluid_state is for a single state and solve_worksheet is for scripts covering processes and cycles. language_reference is clearly distinct as documentation for the worksheet language.
All names use consistent snake_case, which is readable and predictable. The only minor deviation is that fluid_state and language_reference are noun phrases while solve_worksheet is verb_noun.
Three tools is well-scoped for this domain: one for quick single-state calculations, one for full process/cycle worksheets, and one reference manual for the scripting language. Each tool has a clear role and no tool feels redundant.
The surface covers single-state property lookup, process/cycle solving, error reporting, and script-language documentation, which is strong lifecycle coverage for thermodynamic calculations. Minor gaps include no dedicated tool for discovering fluids/properties or unit conversion outside the worksheet language, though these are largely handled by descriptions and the script itself.
A fluid's state from two properties, with CoolProp: T, P, h, s, x, v, and "properties" (D density, u, cp, cv, mu viscosity, k conductivity, Pr, Z, a speed of sound, g). state: "T = 25 °C, P = 1 bar", "P = 1 MPa, sat vapor". Processes and cycles: solve_worksheet.
Inputs: fluid (required), state (required), units, reference, +1 more.
The script language's whole manual, for what solve_worksheet's cheat sheet leaves out.
Inputs: no named parameters.
Solves processes and whole cycles with CoolProp, written as a Thermoprops Worksheet script. Answers a table of the states, the printed results, errors by line, and a link that opens it solved with diagrams: give it to the user.
One statement per line, # comments: fluid R134a units celsius # or kelvin, imperial reference ASHRAE # zero of h, s: DEF, ASHRAE (textbook refrigerant tables), IIR, NBP 1: T = -10 °C, sat vapor # two properties; sat liquid is x = 0 2: from 1, compressed to P = 1.2 MPa, eta = 80% 3: P = P2, sat liquid 4: from 3, throttled to P = P1 COP = (h1 - h4) / (h2 - h1) print COP, T2 in °F, cp2 Processes: isentropic, compressed/expanded (eta), throttled, isobaric, isothermal, isochoric, isenthalpic, polytropic (n). Properties: T P h s x D v u cp cv mu k Pr Z a g; states show T P h s x v, print others. Fluids: Air, Ammonia, Argon, CarbonDioxide, CarbonMonoxide, Ethanol, Helium, Hydrogen, IsoButane, Isopentane, Methane, n-Butane, n-Pentane, n-Propane, Nitrogen, Oxygen, R1234yf, R1234ze(E), R125, R134a, R143a, R152A, R22, R245fa, R32, R404A, R410A, R507A, Toluene, Water. More syntax: language_reference.
Inputs: script (required).
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coolprop — thermophysical fluid properties (PropsSI-style: give two independent state variables…
NIST Chemistry WebBook — Thermophysical Properties of Fluid Systems.
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