uncleflo

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Some cool dude. Higher order of decision making. Absolute.

Registered since September 28th, 2017

Has a total of 3739 bookmarks.

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Lessons mechanical fluid loss software aeraulic hydraulic load aerodynamics hydrodynamics

https://www.mecaflux.com/en/

Saved by uncleflo on December 28th, 2019.

Calculation of profiles lift and drag. (flux externes) Forces in aerodynamics and hydrodynamics Major head loss and pressure drop. (internal flows) The friction and turbulence in pipes Sizing pump or turbine in a fluids networks of aeraulic or hydraulic. power of a pump or a turbine The purpose of this site is to initiate providing software and tools ludic reflection, fast and applied to specific projects. By navigating through links with curiosity, you will develop a basic understanding of fluid mechanics that will serve you every day for your projects. As support, a software tool developed in a spirit of pedagogical simplification, brings together the basic tools to handle projects of fluid mechanics. This site provides support online software fluid mechanics:

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Geothermal pile foundations - Designing Buildings Wiki

https://www.designingbuildings.co.uk/wiki/Geothermal_pile_foundations

Saved by uncleflo on December 18th, 2019.

Geothermal energy is the second most abundant source of heat on earth, after solar energy. It is the natural heat energy stored in the earth. This energy is contained in about 260 billion cubic metres of rocks and metallic alloys, just below the outer surface of the earth, that are at or near their melting points (Lanterman & Lee, 2007). Calculations show that the Earth, originating from a completely molten state, would have cooled and become completely solid if the only energy input was that of the Sun, so it is believed that the ultimate source of geothermal energy is the decay of naturally radioactive isotopes (Dincer et al., 2007). The thermal energy from the earth continuously flows outwards. This heat transfer from the core to the surrounding mantle is principally via conduction. When the temperature and pressure of the system becomes high enough, some of the rocks that make up the mantle melt and form magma. As the liquid magma is less dense than surrounding rocks, it slowly rises, convecting thermal heat towards the earth’s crust (Lanterman & Lee, 2007).

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Displacement-Length Ratio of a Yacht: Skipper's Basics – no-frills-sailing.com

http://no-frills-sailing.com/displacement-length-ratio-sailing-yacht-dl-r-ratio/

Saved by uncleflo on February 24th, 2019.

When sailors are talking about their boats they often refer to ratios and numbers. That´s a tendency in human behaviour to try to generalize things to make them comparable. Of course, everybody knows that you cannot really describe apple to pears and so it´s worthless to describe a let´s say Seventies IOR-era King´s Cruiser 33 like mine to a modern day cruising yacht but we nevertheless tend to do so. The Displacement-Length-Ratio in general is a non-dimensional number. It sets into relation the displacement of a boat (expressed in pounds) to the length of her waterline (in feet). So, in general, this ratio is looking for the relation between the (heavy?) volume of water being pushed aside by a boat´s hull and the length (and therefore speed potential see for my article Hull speed vs. Froude number here) of her hull. Sounds fair enough?

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Google’s Quantum Dream Machine

https://www.technologyreview.com/s/544421/googles-quantum-dream-machine/

Saved by uncleflo on September 8th, 2016.

Physicist John Martinis could deliver one of the holy grails of computing to Google—a machine that dramatically speeds up today’s applications and makes new ones possible.

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Thick Walled Cylinders

http://www.roymech.co.uk/Useful_Tables/Mechanics/Cylinders.html

Saved by uncleflo on April 4th, 2015.

These notes relate to the stresses and strains existing in thick walled cylinders when subject to internal and external pressures. The notes include the analysis of two or more cylindrical parts, assembled by press fitting or shrinking, resulting in an interference fit between the parts. The equations resulting enable estimates of the forces need to assemble and separate the parts and the maximum torque which can be transmitted by the assembly. Members of excelcalcs.com can upload a spreadsheet including all of the derived equations below at ExcelCalcs.com calculation Thick cylinders

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Objectives_template

http://nptel.ac.in/courses/101104010/lecture12/12_4.htm

Saved by uncleflo on April 4th, 2015.

Now, let us assume that we have measured all the engineering constants of an orthotropic material along principal directions. With these engineering constants we know the relation between the strain and stress components as given in Equation (3.42) and Equation (3.43). Thus, it is easy to see that we can relate the strain components to stress components through compliance matrix. Let us recall from previous lecture the stiffness matrix for orthotropic material (Equation (3.26)). The inverse of this matrix (compliance) will have the same form as the stiffness matrix. Thus, we write the relationship between strain and stress components using compliance matrix as follows

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Composite Materials and Structures

http://www.ae.iitkgp.ernet.in/ebooks/chapter6.html

Saved by uncleflo on April 4th, 2015.

The heterogeneity in a composite material is introduced due to not only its bi-phase or in some cases multi-phase composition, but also laminations. This leads to a distinctly different stress strain behaviour in the case of laminates. The anisotropy caused due to fibre orientations and the resulting extension-shear and bending-twisting coupling as well as the extension-bending coupling developed due to unsymmetric lamination add to the complexities. A clear understanding of the constitutive equations of a composite laminate is thus desirable before these are used in analysis and design of composite structures. In this chapter, we first introduce to the readers the basic constitutive equations for a general three-dimensional anisotropic material with and without material symmetry, elastic constants and compliances and their relations to engineering constants, as well as transformation laws for elastic constants and compliances for both three and two-dimensional cases.

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(CPCe) Coral Point Count with Excel Extensions Research Software | NSU Oceanographic Center

http://www.nova.edu/ocean/cpce/

Saved by uncleflo on February 8th, 2015.

The CPCe (Coral Point Count with Excel extensions) program is a Windows-based software (PC use only) that provides a tool for the determination of coral cover using transect photographs. A specified number of spatially random points are distributed on a transect image and the features underlying the points are user-identified. Coverage statistics are then calculated and the results sent to Excel spreadsheets automatically.

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The Engineering Toolbox - Area Moment of Inertia

http://www.engineeringtoolbox.com/area-moment-inertia-d_1328.html

Saved by uncleflo on September 2nd, 2014.

Resources, Tools and Basic Information for Engineering and Design of Technical Applications! This great website is a great lookup site for formulas and calculations used in the engineering world. Second Moment of Area or Area Moment of Inertia. Moment of Inertia of an Area, Area Moment of Inertia, also known as Second Moment of Area - I, is a property of shape that is used to predict deflection, bending and stress in beams.

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Pepe's list of Edx.org courses - Index of /

http://pepe.vacau.com/

Saved by uncleflo on September 2nd, 2014.

This is a great list of online calculations for EDX.org courses, run by a single student. The list contains courses such as Hypersonics, Structural Elements, Classical Mechanics, and others.

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[Resources] for 2.01x

https://courses.edx.org/courses/MITx/2.01x/2T2014/discussion/forum/MITx_201x_2T2014_00_General/threads/53b1158486d32974970005df

Saved by uncleflo on September 2nd, 2014.

This is a really good resource! Course given by Simona, lecturer at MIT. Several students have created resources and guides for 2.01x. This thread is intended to be a catch-all for those. If you have any resources that you think would be helpful to your fellow students, post below!

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Compressible Aerodynamics Calculator

http://www.dept.aoe.vt.edu/~devenpor/aoe3114/calc.html

Saved by uncleflo on July 16th, 2014.

This calculator is intended to provide a faster more convenient alternative to printed tables and charts (e.g. NACA Report 1135). The core of the code was written in Javascript by William Devenport at the Aerospace and Ocean Engineering Department, Virginia Tech. Five sets of relations are included; The relations themselves are taken from standard aerodynamics texts. Symbols have their usual meanings. 'Gamma' and 'rho' are substituted for the corresponding greek letters denoting the ratio of specific heats and density. Subscript 'o' is used to refer to stagnation or total conditions, superscript '*' refers to sonic conditions.

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How to get started using your GPU to mine for Bitcoins on Windows

http://www.newslobster.com/random/how-to-get-started-using-your-gpu-to-mine-for-bitcoins-on-windows

Saved by uncleflo on May 8th, 2013.

This post is aimed mostly at people who are already familiar with Bitcoin (Wikipedia page), and would like to get started using their GPU(s) to mine for bitcoins in a Windows environment. Just some quick terminology: miner = program which is external to bitcoin-qt.exe that uses your graphics card to perform calculations; your GPU is much more efficient at the type of calculations bitcoin does than your CPU

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How to Build a Robot Tutorial - Society of Robots#end_effector#end_effector

http://www.societyofrobots.com/robot_arm_tutorial.shtml#end_effector

Saved by uncleflo on May 11th, 2008.

Society of Robots, Robot arm tutorial

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