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Topic: Henri Pitot


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In the News (Wed 23 Dec 09)

  
  Henri Pitot - Plagiarism on Wikipedia
Henri Pitot (May 3, 1695 – December 27, 1771) was an
Beginning his career as a mathematician and astronomer, Pitot won election to the Academy of Sciences in 1724.
He became interested in the problem of flow of water in rivers and canals and discovered that much contemporary theory was erroneous — for example, the idea that the velocity of flowing water increases with depth.
www.wikipedia-watch.org /plagiarism/1366.html   (219 words)

  
  Henri Pitot - Wikipedia, the free encyclopedia
Henri Pitot (May 3, 1695 – December 27, 1771) was a French hydraulic engineer and the inventor of the Pitot tube, which measures flow velocity.
Beginning his career as a mathematician and astronomer, Pitot won election to the Academy of Sciences in 1724.
He became interested in the problem of flow of water in rivers and canals and discovered that much contemporary theory was erroneous— for example, the idea that the velocity of flowing water increases with depth.
en.wikipedia.org /wiki/Henri_Pitot   (204 words)

  
 No. 2213: Henri Pitot
It was invented by Henri Pitot, born of well-to-do parents in Southern France in 1695.
Pitot had no taste for education until one day he found a geometry text in a bookstore.
Pitot recognized an important fact: Bring moving water to a halt, and it'll drive a column of water up to exactly the height from which water would flow to gain that velocity.
www.uh.edu /engines/epi2213.htm   (564 words)

  
 Pitot tube - TheBestLinks.com - Fluid, Manometer, Measuring instrument, Bernoulli's equation, ...
A Pitot tube, invented by Henri Pitot and modified to its modern form by Henry Darcy, is a measuring instrument used to measure fluid flow.
Pitot tubes are commonly found on aircraft and are used to measure the speed of the aircraft through the air.
A pressure transducer contrasts the pressure from the pitot tube with the static pressure (which is input through a small hole that is usually on the side of the aircraft and facing perpendicular to the wind) to compute the relative air speed of the aircraft.
www.thebestlinks.com /Pitot_tube-bp-printable-v-yes-ep-.html   (228 words)

  
 Reference.com/Encyclopedia/Pitot tube
A Pitot tube is a measuring instrument used to measure fluid flow.
The Pitot tube is named after its inventor, Henri Pitot, and was modified to its modern form by Henry Darcy.The basic instrument consists of two coaxial tubes: the interior tube is open to the flow (i.e.
Pitot tubes are used on aircraft to measure the craft's airspeed.
www.reference.com /browse/wiki/Pitot_Tube   (289 words)

  
 Pitot tube - Wikipedia, the free encyclopedia
A Pitot tube is a measuring instrument used to measure fluid flow, and more specifically, used to determine airspeed on aircraft.
The Pitot tube is named after its inventor, Henri Pitot, and was modified to its modern form by Henry Darcy.
The basic instrument consists of two coaxial tubes: the interior tube is open to the flow (i.e.
en.wikipedia.org /wiki/Pitot   (238 words)

  
 HENRI PITOT TUBE SPEED MEASURING INSTRUMENT | DANIEL BERNOULLI'S LAW FLUID FLOW AIRFOIL LIFT
A Pitot tube is a measuring instrument used to measure fluid flow, and more specifically, used to determine airspeed on aircraft.
The Pitot tube is named after its inventor, Henri Pitot, and was modified to its modern form by Henry Darcy.
He became interested in the problem of flow of water in rivers and canals and discovered that much contemporary theory was erroneous— for example, the idea that the velocity of flowing water increases with depth.
www.speedace.info /pitot_tube.htm   (1803 words)

  
 Differential Pressure Flowmeters
Pitot tubes were invented by Henri Pitot in 1732 to measure the flowing velocity of fluids.
Pitot tubes are generally used for flow measurements of secondary importance, where cost is a major concern, and/or when the pipe or duct diameter is large (up to 72 inches or more).
Pitot tubes should be used only if the minimum Reynolds number exceeds 20,000 and if either a straight run of about 25 diameters can be provided upstream to the pitot tube or if straightening vanes can be installed.
www.omega.com /literature/transactions/volume4/T9904-07-DIFF.html   (8957 words)

  
 Flow Meters | Make the most of averaging Pitot tubes | Chemical Processing
Often, the multi-port averaging Pitot tube is an appropriate and economic choice as the primary element for measuring liquids, gases or steam.
The Pitot tube is a “square root device,” meaning the square root of the DP is proportional to the flow rate.
Among the reasons for this are percent blockage of the probe in the pipe and shedding vortices that cause a suctioning effect at the downstream static pressure ports, producing a larger measured DP than the theoretically predicted value.
www.chemicalprocessing.com /articles/2005/505.html   (1493 words)

  
 Howstuffworks "How does a speedometer in an airplane work?"
The pitot (pronounced pee-toe) static tube system is an ingenious device used by airplanes and boats for measuring forward speed.
The open end of the pitot tube, usually mounted on a wing, faces toward the flow of air or water.
Pitot tube devices and manometers are also used in commercial heating and air conditioning systems for duct air flow measurements.
travel.howstuffworks.com /question597.htm   (406 words)

  
 Pitot Tube: Henry Darcy and His Law   (Site not responding. Last check: 2007-10-26)
I wrote a short paper and presented a poster at the 2001 ASCE National Convention held in Houston, Texas on Darcy's improvements to the Pitot tube and expanded on it for the 2003 Darcy Symposium.
Although Henri Pitot had invented the device in 1732, theoretical and design weaknesses had kept it little more than a scientific toy.
Brown, G. Henry Darcy's perfection of the Pitot tube, in Henry P. Darcy and Other Pioneers in Hydraulics: Contributions in Celebration of the 200th Birthday of Henry Philibert Gaspard Darcy, G.O. Brown, J.D. Garbrecht, and W.H. Hager (eds), ASCE, Reston, VA. pg.
biosystems.okstate.edu /darcy/PitotTube.htm   (241 words)

  
 Henry Darcy’s Perfection of the Pitot Tube   (Site not responding. Last check: 2007-10-26)
The Pitot tube is perhaps the most fundamental instrument use in fluid mechanics.
While Henri Pitot is usually given appropriate credit for its invention in 1732, few realize that it was Henry Darcy who perfected the apparatus in the 1850s.
The history of the Pitot tube is reviewed and hydraulic testing of a replica of Darcy’s instrument with three different tip configurations is presented.
www.pubs.asce.org /WWWdisplay.cgi?0301402   (96 words)

  
 eFunda: Theory of Pitot Static Tubes
The Pitot tube (named after Henri Pitot in 1732) measures a fluid velocity by converting the kinetic energy of the flow into potential energy.
Converting the resulting differential pressure measurement into a fluid velocity depends on the particular fluid flow regime the Pitot tube is measuring.
When a Pitot tube is exposed to a subsonic compressible flow (0.3 < M < 1), fluid traveling along the streamline that ends on the Pitot tube's stagnation point is continuously compressed.
efunda.com /designstandards/sensors/pitot_tubes/pitot_tubes_theory.cfm   (401 words)

  
 Aerospace - Applications
But pressure sensors can also be used for velocity measurement, like in Pitot tubes for example.
The Pitot tube (named after Henri Pitot in 1732) measures a fluid velocity by measuring the pressure difference between two points: One that is perpendicular to the flow and another one parallel to the flow.
A device like the MS5201D is ideal for that kind of application since its nozzle ease connection of pressure source.
www.intersema.com /site/applic_aerospace.php   (212 words)

  
 The Pitot tube (from navigation) --  Britannica Student Encyclopedia   (Site not responding. Last check: 2007-10-26)
In the mid-18th century the French hydraulic engineer Henri Pitot, studying the flow of water in rivers and canals, invented a device—now called the Pitot tube—for measuring the speed of the flow past a given point.
The founder of the Portuguese empire, Prince Henry of Portugal was a patron of explorers, and he was one of the earliest geographers.
First published serially in 1857–59 and as one volume in 1859, it is a sequel to Henry Esmond that follows the life of the family and descendants of Henry Esmond of Castlewood, Virginia.
www.britannica.com /ebi/article-235221   (823 words)

  
 Henri PITOT : astrology, horoscope, planets, Map of the Heavens, Interactive Chart
Depending of the fact that the time of birth is known or not, 6 or 11 planets distributions and planets dominants have been computed for the natal chart of Henri PITOT.
Only 6 diagrams out of 11 are displayed, and precision of these computations is of course not of the same level than those for the case of the known time of the event.
Texts are not translated, so if you wish to read interpretations associated with theses computations, you need to go to the full astrological Portrait of Henri PITOT and to use this Automatic Free Website Translator.
www.astrotheme.fr /en/portraits/vjQB783mK9Rm.htm   (495 words)

  
 Fans and Wind Power
Flow velocity in air or water is often measured with a Pitot Tube, as shown in the figure at the left.
In practice, the pitot tube must be traversed to measure the velocity in annular areas of equal volume of a circular duct.
Henri Pitot immersed a bent glass tube in the Seine to determine the velocity of its water in 1730.
www.du.edu /~jcalvert/tech/fluids/fan.htm   (6513 words)

  
 Fisici celebri in ordine cronologico: Tutte le informazioni su Fisici celebri in ordine cronologico su Encyclopedia.it   (Site not responding. Last check: 2007-10-26)
Henri Pitot (Aramon, Francia 3 maggio 1695 - † 27 Dicembre 1771)
Antoine Henri Becquerel (Parigi, Francia 1852 - Nobel 1903 - Le Croisic, Francia 1908)
William Henry Bragg (sir) (Inghilterra 1862 - Nobel 1915 - 1942)
www.encyclopedia.it /f/fi/fisici_celebri_in_ordine.html   (1133 words)

  
 PITOT TUBE   (Site not responding. Last check: 2007-10-26)
The pitot tube is the easy bit; just use any old pipe pointing forward.
On the back of the ASI should be two pipe unions, hopefully they are marked pitot and static, but even if not you will soon find out which is which.
Maybe when you tried it in the car, you were pressurising both pitot and static ports.
www.hovercraft.org.uk Forums - !http: //www.hovercraft.org.uk/forums/Forum1/messages/11211.shtml   (503 words)

  
 Re: "I'll spend as much of YOUR money as I want!" - Bu$h's Sunday Presid
A pitot tube is not the same > as a pitot port, such as you are describing.
The whole purpose > >> >of a pitot tube is to measure both static and dynamic pressure at the > >same point.
Henri pitot invented the > pitot tube and his definition is still true.
www.usenet.com /newsgroups/rec.aviation.military/msg03060.html   (880 words)

  
 Pitot Tube: Industrial Supply   (Site not responding. Last check: 2007-10-26)
Pitot tubes are used on aircraft as speedometers.
Bernoulli for pitot tube, pipe leak, dam, sluice gate, pipe expansion, contraction.
A Pitot tube connected to a U-tube manometer.
www.seagullbeach.net /Gauges/Pitot_Tube.html   (118 words)

  
 INSTRUCTOR'S CORNER - Steve's Web Page
The pressure measured is then the difference between the pressure in the Pitot tube generated by the airplane's forward speed, and the static pressure.
In the interest of accuracy, the Pitot tubes are located in a position on the airplane so that the air coming off of the airplane does not effect the pressure they sense.
The Pitot heat on these airplanes is on all the time while in flight and the tubes turn a bluish-brown color.
www.anav8r.com /page04.htm   (3826 words)

  
 Re: Chuck Yeager-pitot tube
A pitot tube always picks up static and dynamic pressure; that is how Henri Pitot measured the speed of rivers with his invention.
Normally, there's > >>nothing terribly special about a pitot tube, which is an instrument > >>that measures air pressure so that a pilot can find out how fast he's > >>flying.
But according to the plaque it came mounted on, this > >>particular pitot tube had been on the nose of the X-1 on, as it said,.
www.usenet.com /newsgroups/rec.aviation.military/msg06978.html   (364 words)

  
 Compressed air glossary - Letter P
A sensing device used to measure total pressures in a fluid stream.
It was invented by a French physicist, Henri Pitot, in the 1700's (0301)
A filter element whose medium consists of a series of uniform folds and has the geometric form of a cylinder, cone, disc, plate...
www.impactrm.com /html/p.html   (1282 words)

  
 YourArt.com >> Encyclopedia >> 1695   (Site not responding. Last check: 2007-10-26)
May 3 - Henri Pitot, French engineer (d.
January 4 - François Henri de Montmorency-Bouteville, duc de Luxembourg, French general (b.
March 5 - Henry Wharton, English writer (b.
www.yourart.com /research/encyclopedia.cgi?subject=/1695   (420 words)

  
 Introducing Design   (Site not responding. Last check: 2007-10-26)
A Pitot-static Tube is a flow velocity meter which is capable of measuring fluid velocities as a localized point (as opposed to an averaged velocity across a larger section).
A schematic of a Pitot tube is shown below.
The Pitot tube yields a pressure measurement which is typically measured with a differential manometer.
www.ecsel.psu.edu /~rdevon/Design100/Design100P3Velocity.htm   (806 words)

  
 Henri Pitot --  Encyclopædia Britannica   (Site not responding. Last check: 2007-10-26)
French pioneer aviator and airplane manufacturer Henri Farman was born in Paris.
An honored French mathematician, theoretical astronomer, and philosopher of science, Henri Poincaré was also a gifted writer.
French novelist Henri Murger was among the first to depict the precarious lives of poor artists and writers—which he knew from experience.
www.britannica.com /eb/article-9060222   (596 words)

  
 Pitot - Skycovers: Andale Store
The Gretz GA-1000 uses imbedded electronics to provide heat to the pitot in cold By means of a control module (mounted within 18" of the pitot),
Mobile FAR 91.411 and FAR 91.413 Pitot / Static, Altimeter, and Transponder Certification in the Dallas, Texas metro area.
Our Pitot Covers will keep bees and bugs out of your Pitot tubes and lower your maintenance costs.
www.directorytool.com /deot/pitot.htm   (206 words)

  
 Re: "I'll spend as much of YOUR money as I want!" - Bu$h's Sunday Presid
A pitot tube was added for Pressure one Temperature zero engine instrumentation; to run the hydraulic computer known as a fuel controller.
And remember, the tube developed by Henri Pitot was used to measure the flow velocity of fluids.
I notice that you cut the relevant part about the history of the pitot tube, and where the name originated.
www.usenet.com /newsgroups/rec.aviation.military/msg02404.html   (899 words)

  
 Ideal Fluid Flow and Conservation of Energy and Mass
By Bernoulli's equation, the static pressure at the stagnation point is the total pressure (also called the stagnation pressure) since the dynamic pressure reduces to zero when the flow stagnates (comes to rest).
A static tube is similar to a Pitot tube except that now the end facing the flow is closed and a number of holes have been drilled into the tube's side.
It may also be connected to a pressure-measuring readout instrument as before.
www.centennialofflight.gov /essay/Theories_of_Flight/Conservation/TH8.htm   (1210 words)

  
 Pitot Website
Please be advised that effective immediately, Nav-Aids USA Inc. (N/K/A Nav-USA inc.) is no longer authorized to act as distributor of the products of Nav-Aids Ltd of Montreal Quebec.
Please be assured that Nav-Aids Ltd will provide all necessary technical support and back-up with respect to its parts and equipment previously purchased as well as for future purchases.
French hydraulic engineer and inventor of the pitot tube, which measures flow velocity.
www.navaidsltd.net /pitot/hpitot.html   (293 words)

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