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Professional-grade tools for heat transfer, thermodynamics, and fluid mechanics. Powered by Fortran computation engines for accuracy engineers demand.
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Comprehensive calculators covering the core disciplines of thermal and fluid engineering.
Heat Transfer 12 calculators55 runs
Compute conduction through walls, cylinders, and spheres. Analyze convection, radiation, fins, and heat exchangers with accurate engineering correlations.
Fluid Mechanics 8 calculators10 runs
Calculate pressure drop, Reynolds number, friction factors, and flow properties. Analyze pipe networks, open channel flow, boundary layers, and compressible flow systems.
Thermodynamics 3 calculators8 runs
Analyze power cycles (Rankine, Brayton, Otto, Diesel), refrigeration systems, steam properties, and energy balances for engineering systems.
Engineering Tools 3 tools6 uses
Quick-access tools: unit converter, dimensionless numbers calculator, material property database, and interactive reference charts.
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In-depth articles, step-by-step tutorials, and practical guides on thermal engineering concepts with worked examples.
Our Engineering Calculators
Fully operational calculators powered by Fortran computation engines. More tools added regularly.
๐ฅ Heat Conduction 7 calculators28 runs
Steady Conduction in Plane Walls
Calculate heat transfer through single and multilayer plane walls with thermal resistance analysis.
Open Calculator โMultilayered Cylinders & Spheres
Analyze heat conduction through multilayered cylindrical and spherical geometries.
Open Calculator โCritical Radius of Insulation
Determine the critical radius at which adding insulation increases heat transfer rate.
Open Calculator โStraight Rectangular Fins
Calculate fin efficiency, effectiveness, and heat dissipation for rectangular fins.
Open Calculator โLumped System Analysis
Transient heat conduction using lumped capacitance method. Biot number, time constant, and cooling curves.
Open Calculator โTransient Conduction 1D (Heisler)
One-term approximation for plane walls, cylinders, and spheres with interactive charts.
Open Calculator โConduction with Heat Generation
Temperature distribution in solids with uniform internal heat generation and safety analysis.
Open Calculator โ๐จ Convection 2 calculators9 runs
Flow Over Flat Plate
Laminar/turbulent boundary layer analysis with local and average Nusselt number correlations.
Open Calculator โInternal Flow in Circular Tubes
Dittus-Boelter and Gnielinski correlations with pressure drop and outlet temperature.
Open Calculator โ๐ Heat Exchangers 3 calculators18 runs
LMTD Method
Parallel and counter flow heat exchanger analysis with temperature profiles and required surface area.
Open Calculator โฮต-NTU Method
Effectiveness-NTU analysis for all configurations: parallel, counter, cross flow, and shell-and-tube.
Open Calculator โDouble-Pipe Design
Complete double-pipe heat exchanger sizing with fouling factors and overall heat transfer coefficient.
Open Calculator โ๐ Fluid Mechanics 6 calculators8 runs
Pipe Flow & Pressure Drop
Darcy-Weisbach with Colebrook-White friction factor, minor losses, and Moody chart.
Open Calculator โDrag Force Calculator
Drag on spheres, cylinders, flat plates with Reynolds-dependent Cd correlations.
Open Calculator โCompressible Flow
Isentropic relations, normal shock, area ratios, and flow property tables.
Open Calculator โPipe Networks (Hardy-Cross)
Series and parallel pipe network analysis with iterative Hardy-Cross method and Colebrook-White friction factors.
Open Calculator โBoundary Layer Analysis
Blasius (laminar) and 1/7 power law (turbulent) with transition detection and skin friction coefficient.
Open Calculator โNozzle Flow (C-D Nozzle)
6 operating regimes, shock location via bisection, interactive back-pressure slider, nozzle pressure distribution.
Open Calculator โ๐ Open Channel Flow 2 calculators2 runs
Manning's Equation
Normal depth, velocity, and discharge for rectangular, trapezoidal, triangular, and circular channels. Froude number and rating curve.
Open Calculator โHydraulic Jump Calculator
Conjugate depth, energy loss, jump classification (undular โ strong), power dissipated, and specific energy diagram.
Open Calculator โโก Thermodynamics 3 calculators8 runs
Ideal Gas Law
Solve for P, V, T, or n with 7 gas presets and P-V diagram visualization.
Open Calculator โRankine Cycle
Steam power plant analysis with T-s diagram and efficiency calculations.
Open Calculator โRefrigeration Cycle
Vapor compression analysis with 4 refrigerants and P-h diagram.
Open Calculator โ๐ Engineering Tools 3 tools6 uses
Built for Engineers, by Engineers
Designed to deliver the accuracy and usability that engineering professionals expect.
Fortran-Powered
Calculations run on compiled Fortran programs โ the gold standard for numerical computation in engineering.
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Results validated against textbook examples and established engineering correlations.
Visual Results
Interactive charts, temperature profiles, and wall diagrams make results intuitive to interpret.
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Explore our growing library of Fortran-powered engineering calculators โ from heat conduction to open channel flow.
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