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29 relations: Affinity laws, Back-of-the-envelope calculation, Blast wave, Buckingham (disambiguation), Centimetre–gram–second system of units, Darcy's law for multiphase flow, Debye–Hückel equation, Dimensional analysis, Dimensionless momentum-depth relationship in open-channel flow, Dimensionless quantity, Drag equation, Dynamic scraped surface heat exchanger, Edgar Buckingham, G. I. Taylor, Glossary of engineering, Grashof number, Index of physics articles (B), List of mathematical proofs, List of theorems, Monin–Obukhov similarity theory, Nondimensionalization, Nuclear weapon yield, Pi (letter), Rayleigh's method of dimensional analysis, Scientific phenomena named after people, Similitude (model), Wilhelm Nusselt, Wind-turbine aerodynamics, 1914 in science.
Affinity laws
The affinity laws (Also known as the "Fan Laws" or "Pump Laws") for pumps/fans are used in hydraulics, hydronics and/or HVAC to express the relationship between variables involved in pump or fan performance (such as head, volumetric flow rate, shaft speed) and power.
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Back-of-the-envelope calculation
A back-of-the-envelope calculation is a rough calculation, typically jotted down on any available scrap of paper such as an envelope.
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Blast wave
In fluid dynamics, a blast wave is the increased pressure and flow resulting from the deposition of a large amount of energy in a small, very localised volume.
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Buckingham (disambiguation)
Buckingham is a town in Buckinghamshire, England.
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Centimetre–gram–second system of units
The centimetre–gram–second system of units (abbreviated CGS or cgs) is a variant of the metric system based on the centimetre as the unit of length, the gram as the unit of mass, and the second as the unit of time.
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Darcy's law for multiphase flow
Morris Muskat et al.
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Debye–Hückel equation
The chemists Peter Debye and Erich Hückel noticed that solutions that contain ionic solutes do not behave ideally even at very low concentrations.
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Dimensional analysis
In engineering and science, dimensional analysis is the analysis of the relationships between different physical quantities by identifying their base quantities (such as length, mass, time, and electric charge) and units of measure (such as miles vs. kilometers, or pounds vs. kilograms) and tracking these dimensions as calculations or comparisons are performed.
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Dimensionless momentum-depth relationship in open-channel flow
Momentum for one-dimensional flow in a channel can be given by the expression: |where.
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Dimensionless quantity
In dimensional analysis, a dimensionless quantity is a quantity to which no physical dimension is assigned.
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Drag equation
In fluid dynamics, the drag equation is a formula used to calculate the force of drag experienced by an object due to movement through a fully enclosing fluid.
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Dynamic scraped surface heat exchanger
The dynamic scraped surface heat exchanger (DSSHE) was designed to face some problems found in other types of heat exchangers.
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Edgar Buckingham
Edgar Buckingham (July 8, 1867 in Philadelphia, Pennsylvania – April 29, 1940 in Washington DC) was an American physicist.
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G. I. Taylor
Sir Geoffrey Ingram Taylor OM (7 March 1886 – 27 June 1975) was a British physicist and mathematician, and a major figure in fluid dynamics and wave theory.
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Glossary of engineering
Most of the terms listed in Wikipedia glossaries are already defined and explained within Wikipedia itself.
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Grashof number
The Grashof number (Gr) is a dimensionless number in fluid dynamics and heat transfer which approximates the ratio of the buoyancy to viscous force acting on a fluid.
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Index of physics articles (B)
The index of physics articles is split into multiple pages due to its size.
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List of mathematical proofs
A list of articles with mathematical proofs.
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List of theorems
This is a list of theorems, by Wikipedia page.
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Monin–Obukhov similarity theory
Monin–Obukhov (M–O) similarity theory describes non-dimensionalized mean flow and mean temperature in the surface layer under non-neutral conditions as a function of the dimensionless height parameter, named after Russian scientists A. S. Monin and A. M. Obukhov.
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Nondimensionalization
Nondimensionalization is the partial or full removal of units from an equation involving physical quantities by a suitable substitution of variables.
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Nuclear weapon yield
The explosive yield of a nuclear weapon is the amount of energy released when that particular nuclear weapon is detonated, usually expressed as a TNT equivalent (the standardized equivalent mass of trinitrotoluene which, if detonated, would produce the same energy discharge), either in kilotons (kt—thousands of tons of TNT), in megatons (Mt—millions of tons of TNT), or sometimes in terajoules (TJ).
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Pi (letter)
Pi (uppercase Π, lowercase π; πι) is the sixteenth letter of the Greek alphabet, representing the sound.
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Rayleigh's method of dimensional analysis
Rayleigh's method of dimensional analysis is a conceptual tool used in physics, chemistry, and engineering.
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Scientific phenomena named after people
This is a list of scientific phenomena and concepts named after people (eponymous phenomena).
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Similitude (model)
Similitude is a concept applicable to the testing of engineering models.
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Wilhelm Nusselt
Ernst Kraft Wilhelm Nußelt (Nusselt in English; born November 25, 1882 in Nuremberg – died September 1, 1957 in München) was a German engineer.
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Wind-turbine aerodynamics
The primary application of wind turbines is to generate energy using the wind.
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1914 in science
The year 1914 in science and technology involved some significant events, listed below.
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References
[1] https://en.wikipedia.org/wiki/Buckingham_π_theorem
