Engineering
Friction Factor for Flow in Coils and Curved Pipe @ Neutrium.net
December 5, 2012In order to determine the pressure drop in a pipe or coil the friction factor must first be calculated. This article presents the equations which may be used to determine the friction factor in coils and curved pipe.
A Robust Monte Carlo Based ray-tracing Approach for the Calculation of View Factors in Arbitrary Three-dimensional Geometries
November 29, 2012Computational Thermal Sciences: An International Journal, Volume 4, Issue 5, 2012, Pages 425-442
Basics Of Affine Transformation @ Neutrium.net
November 9, 2012Affine transformations are a class of transformations fundamental to modelling objects in three dimensions. This article presents the transformation and inverse transformation matrices for translating, scaling and rotating.
Thermal Resistance @ Neutrium.net
November 6, 2012The concept of thermal resistance can be utilised to solve steady state heat transfer problems that involve series, parallel or combined series-parallel components. This article demonstrates how to calculate the total thermal resistance for such systems and how to calculate the thermal resistance for practical geometries such as a pipe wall.
Pressure Loss from Fittings - 3K Method @ Neutrium.net
October 25, 2012Fittings such as elbows, tees, valves and reducers represent a significant component of the pressure loss in most pipe systems. This article details the calculation of pressure losses through pipe fittings and some minor equipment using the 3K method.
Pressure Loss from Fittings - 2K Method @ Neutrium.net
October 17, 2012Fittings such as elbows, tees, valves and reducers represent a significant component of the pressure loss in most pipe systems. This article details the calculation of pressure losses through pipe fittings and some minor equipment using the 2K method.
Velocity Head @ Neutrium.net
September 27, 2012This article describes the method of calculating the velocity head of flowing fluid. The velocity head uses units of length as a measure of the kinetic energy of the flowing fluid.
Conversion Between Head and Pressure @ Neutrium.net
September 19, 2012This article presents the method to convert between pressure and head for several common unit sets. Head relates the pressure of a fluid to the height of a column of that fluid which would produce an equivalent static pressure at its base. It is particularly useful for the specification of pumps as it provides a measure of pressure as it is independent of fluid density.
Blackbody Radiation @ Neutrium.net
September 11, 2012A blackbody is an idealized volume which emits and absorbs the maximum possible amount of radiation at a given temperature in all directions over a wide range of wavelengths. Blackbodies are perfect emitters and absorbers of radiation and therefore useful as a standard when studying radiative heat transfer systems where the amount of radiation emitted and absorbed is a also a function of material properties. This article describes the basics of a black body and presents equations to describe its emissive characteristics.
Concentration Conversions @ Neutrium.net
September 8, 2012This article details the most common methods to quantify the concentration of a component in a mixture, and details how to convert between these concentrations. Concentration is commonly expressed in moles per volume, mass per volume, mass percentage, volume percentage, mole percentage and parts per million. Using density and/or molecular weight properties it is possible to convert between any of the above measures.