π Engineering Tools & Reference
Quick-access calculators, sizers, and properties databases for everyday thermal, fluid, and process design work.
π General Reference & Math
Unit Converter
Instant conversions for 8 unit categories: temperature, pressure, length, mass, energy, power, flow rate, and viscosity.
Dimensionless Numbers
Calculate Re, Nu, Pr, Gr, Ra, Bi, Fo, Ma, We with real-time results and flow regime interpretations.
Material Property Database
Thermal and physical properties of 65+ metals, structural materials, fluids, gases, and insulation solids. Sortable and searchable.
Reynolds Number & Entry Length
Compute Reynolds number and entry lengths for pipe, plate, annulus, and duct geometries. Classifies flow regimes.
Standard Atmosphere (ISA)
Calculate U.S. Standard Atmosphere (ISA 1976) air properties up to 86 km with dynamic tracking profile charts.
π§ Piping & Flow Design
Standard Pipe Dimensions
ASME B36.10M carbon steel and B36.19M stainless steel schedules. Compute flow area, weight, and volume with dynamic schemas.
Control Valve Sizing (Cv/Kv)
Size control valves for liquid, gas, and steam per ISA-75.01.01. Evaluates cavitation, flashing, and flow regimes.
Orifice Plate Flow (ISO 5167)
Calculate volume/mass flow rates or pressure drop across sharp-edged orifice plates with flange, corner, or D tappings.
Economic Pipe Diameter
Find the optimum pipe diameter that minimizes total annual costs (amortized capital investment + pumping energy costs).
Flange Pressure Ratings
Lookup maximum allowable working pressure (MAWP) for ASME B16.5 pipe flanges by material class and design temperature.
Pipe Thermal Expansion & Loops
Evaluate piping thermal expansion, anchor force reactions, and size loop layouts (U, L, Z loops) for thermal stress relief per ASME B31.3.
Safety / Relief Valve Sizing
Calculate minimum required relief valve orifice area for gas, steam, or liquid service per API 520 / 526 guidelines.
βοΈ Pumps & Turbomachinery
Pump Affinity Laws
Scale centrifugal pump flow rate, head, power, and NPSHr under variable rotation speed or impeller trim diameter overlays.
NPSH & Cavitation Check
Compute Net Positive Suction Head available (NPSHa) and compare against pump NPSHr limits to prevent cavitation risk.
Specific Speed & Cordier Diagram
Compute specific speed Ns and specific diameter Ds for pumps, fans, and turbines. Place operating points on the Cordier diagram.
β‘ Thermodynamics & Combustion
Steam Properties (IAPWS-IF97)
Retrieve saturated, subcooled, superheated, and supercritical water properties using international standard IF97. With T-s chart.
Fluid Properties vs Temp
Lookup and interpolate temperature-dependent thermal properties, density, Cp, viscosity, and Pr for 20+ gases and liquids.
Psychrometric Air Calculator
Calculate moist air thermodynamic properties from any two inputs. Toggles SI/Imperial and dynamic altitude pressure shifts.
Compressibility Factor Z
Evaluate real gas deviation factor Z using Redlich-Kwong, Peng-Robinson, and Pitzer generalized correlations.
Gas Mixture Properties
Compute average molecular weight, specific heat ratio, viscosity, and conductivity for custom multi-species gas mixtures.
Combustion Products Analysis
Calculate wet/dry molar compositions of flue gas products and theoretical AFR for hydrocarbon fuel combustion sweep.
Adiabatic Flame Temperature
Calculate the maximum theoretical temperature (constant P or constant V) for combustion products of fuel mixtures.
Carnot Cycle Limits
Analyze coefficient of performance (COP) and thermodynamic efficiency bounds for refrigerators and heat pumps.
Entropy & Exergy Analysis
Perform second-law analysis. Compute entropy generation and exergy destruction rates to evaluate system irreversibilities.
Joule-Thomson Throttling
Simulate isenthalpic expansion processes. Calculate outlet temperature drop and check for liquid condensation risks.
𧱠Insulation & Heat Exchange
Thermal Insulation Optimizer
Calculate required pipe insulation thickness to meet heatβloss targets, surface limits, or minimize total annual costs.
Fouling Factor & Oversizing
Evaluate clean vs. fouled overall heat transfer coefficients and calculate required heat exchanger area oversizing margins.