Knowledge Archive
Admiralty Coefficient
Description of the Admiralty Coefficient and simple calculators to easily determine the power or speed based on an existing ship design
Read More →Hull Speed
The hull speed equation for a rough estimate of the theoretical maximum ship hull speed. Includes simple calculator.
Read More →Ship Form Coefficients
Ship form coefficients to described the hull shape incl. block coefficient, prismatic coefficient, midship section area etc.
Read More →Buoyancy
Buoyancy of partly or fully immersed object described using Archimedes' principle. Understand the pressures and forces affecting the object.
Read More →Practical Numerical Integration
Practical approach to numerical integration using the Trapezoidal rule and Simpson's rule in a spreadsheet or using Python incl. example.
Read More →Interpolation
Linear, polynomial and spline interpolation. Examples in Excel using linear interpolation and more advanced methods in Python (SciPy).
Read More →Straight line and polynomial equation
Determine the equation for a straight line between two points or a polynomial through more points.
Read More →Heat Transfer
Heat transfer introduction divided into the main parts convection, conduction and thermal radition incl. examples.
Read More →Pipe Friction Loss Calculation
Introduction to pipe friction loss in pipes and fittings using Moody diagram, Colebrook, Darcy-Weisbach, flow coefficient, etc. incl. examples
Read More →Percentage Calculation
Calculate percentage change (increase/decrease), difference in percentage and percentage of the entire value.
Read More →Solve equations by iteration or Goal Seek
Solve equation that is not solvable analytically manually "by hand" or by using a spreadsheet incl. examples solving the Colebrook equation.
Read More →Net positive suction head (NPSH)
Description of net positive suction head (NPSH), learn how to calculate it and ensure that pumps are not damaged by cavitation.
Read More →News
News overview of what has been added to the site and the progress of the various bigger projects.
Read More →Saline Water Property Tables and Graphs
Seawater thermodynamic properties at different salinities and temperatures.
Read More →Pressure
Definition of different types of pressure incl. stagnation, hydrostatic, gauge and absolute pressure incl. examples.
Read More →Temperature Conversion
Temperature conversion factors between Kelvin, Fahrenheit and Celsius including an easy to use calculator.
Read More →Water Property Tables and Graphs
Thermodynamic properties of water at 1atm (1.01325bar(A)) in table and graphs.
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