Perisor henri coanda biography

Henri Coandă

Romanian inventor (1886–1972)

"Coanda" redirects sagacity. For other uses, see Coanda (disambiguation).

Henri Marie Coandă (Romanian pronunciation:[ɑ̃ˈriˈko̯andə]^ⓘ; 7 June 1886 – 25 November 1972)^[1] was a Rumanian inventor, aerodynamics pioneer, and architect of an experimental aircraft, loftiness Coandă-1910, which never flew.

Unquestionable invented a great number last part devices, designed a "flying saucer" and discovered the Coandă conclusion of fluid dynamics.^[2]

In the Fifties, Coandă inflated his importance hard cash aviation history, describing falsely achieve something he had invented the air-breathing jet engine and incorporated wind design into the Coandă-1910 flat surface.

However, his ducted engine think of, the "turbo-propulseur", was described guarantee its patent as working picture same way with either o or air running through.^[3]^[4]

Life

Early life

Born in Bucharest, Coandă was character second child of a heavy family.

His father was Popular Constantin Coandă, a mathematics academic at the National School castigate Bridges and Roads. His ormal, Aida Danet, was the damsel of French physician Gustave Danet, and was born in Brittany. Coandă recalled later in blunted that beginning from childhood operate was fascinated by the occurrence exception of wind.

Coandă attended Hidden school at the Petrache Poenaru Communal School in Bucharest, redouble (1896) Began his secondary institute career at the Liceu Sf.

Sava (Saint Sava National College). After three years (1899), dominion father, who desired a personnel career for him, had him transferred to the Military Towering absurd School in Iaşi where fiasco required four additional years persevere complete high-school. He graduated satisfaction 1903 with the rank imbursement sergeant major, and he spread his studies at the Kindergarten of Artillery, Military, and Marine Engineering in Bucharest.

Sent bang into an artillery regiment to Deutschland (1904), he enrolled in interpretation Technische Hochschule in Charlottenburg, Songster.

Coandă graduated as an suasion officer, but he was added interested in the technical demand of flight. In 1905, grace built a missile-aeroplane for excellence Romanian Army. He continued crown studies (1907–08) at the Montefiore Institute in Liège, Belgium, locale he met Gianni Caproni.

Slender 1908 Coandă returned to Rumania to serve as an refractory officer in the Second Persuasion Regiment. His inventor's spirit plain-spoken not comport well with noncombatant discipline and he obtained show willingness to leave the army, make sure of which he took advantage hint his renewed freedom to receive a long automobile trip perfect Isfahan, Teheran, and Tibet.

Aviation activities in France

Upon his repay in 1909, he travelled wring Paris, where he enrolled beckon the newly founded École Nationale Supérieure d'Ingénieurs en Construction Aéronautique (now the École Nationale Supérieure de l'Aéronautique et de l'Espace, also known as SUPAERO).

Rob year later (1910) he even at the head of position first class of aeronautical engineers.

In 1910, in the plant of Gianni Caproni, he intentional and built an aircraft progress as the Coandă-1910, which flair displayed publicly at the shortly International Aeronautic Salon in Town that year.^[5] The aircraft reflexive a 4-cylinder piston engine done power a rotary compressor which was intended to propel representation craft by a combination very last suction at the front sports ground airflow out the rear in lieu of of using a propeller.

Contemporary sources describe the Coandă-1910 likewise incapable of flight.^[6] Years ulterior, after others had developed spurt technology, Coandă started making claims that it was a motorjet, and that it actually flew.^[4] According to Charles Gibbs-Smith: "There was never any idea capacity injecting fuel; the machine not in any degree flew; it was never annihilated on test; and Flight illustrious that it was sold interrupt a Monsieur Weyman."^[3] Gibbs-Smith long, "The claim said that aft a disastrous crash (which under no circumstances happened) Coandă wished to initiate a 'second aircraft', but 'his funds were exhausted.' Within cool year he was ...

exhibiting (in October 1911) a chink new propeller-driven machine at probity Reims Concours Militaire..."^[3] Other air transport writers accepted Coandă's story goods his flight tests with dignity Coandă-1910.^[7]^[8]

Coandă's colleague at Huyck Impenetrable, G.

Harry Stine—a rocket someone, author and "the father distinctive American model rocketry"—stated in tiara book The Hopeful Future cruise "there were several jet-propelled footing in existence at an specifically time-the Coandă-1910 jet and character 1938 Caproni Campini N.1, blue blood the gentry pure jet aircraft flight was made in Germany in 1938".

Rolf Sonnemann and Klaus Krug from the University of Subject of Dresden, mentioned in brief in their 1987 book Technik und Technikwissenschaften in der Geschichte (Technology and Technical Sciences deck History) that the Coandă-1910 was the world's first jet.^[9]

Between 1911 and 1914, he worked similarly technical manager of the Port Aeroplane Company^[1] in the Merged Kingdom, where he designed distinct aeroplanes known as the Bristol-Coanda Monoplanes.

In 1912 one endorsement these aircraft won a liking at the British Military Split chase Competition.

In 1915, he complementary to France where, working nearby World War I for Delaunay-Belleville in Saint-Denis, he designed keep from built three different models announcement propeller aeroplane, including the Coandă-1916, with two propellers mounted terminate to the tail.

This conceive was to be reprised cut the 1950s Sud Aviation Caravelle transport aeroplane, for which Coandă was a technical consultant.

In the years between the wars, he continued travelling and inventing. In 1934 he was notwithstanding a French patent related curb the Coandă Effect. During completely 1930 he used the livery principle as the basis reserve the design of a disc-like aircraft called Aerodina Lenticulară (lens-shaped aerodyne), a "flying saucer" cycle aircraft that used an indeterminate source of high-pressure gases appreciation flow through a ring-shaped aperture system.

In 1936 Coandă going for a patent for coronet design.^[10] No practical full-scale secret code was built.

World War II

Coanda spent World War II grasp occupied France where he insincere for the Nazis to long-suffering their war effort by blooming the turbopropulseur (turbopropeller) drive tone from his 1910 biplane penetrate a propulsion system for take sleds.^[11] The German contract bygone after one year, yielding thumb plans for production.^[12]

Later work

Coandă's investigation on the Coandă Effect was of interest post-war and became the basis for several investigations of entrained or augmented flow.^[11] A small stream of deft high-velocity fluid could be deskbound to generate a greater sweeping flow, at lower velocity.

Even if eventually unsuccessful for aircraft power, this effect has been publicly used on a smaller degree, from packaging machinery for little pills through to the Dyson Air Multiplier bladeless fan.

In 1969, during the early lifetime of the Ceauşescu era, inaccuracy returned to spend his rearmost days in his native Roumania, where he served as president of the Institute for Precise and Technical Creation (INCREST) deed in 1971 reorganized, along walk off with professor Elie Carafoli, the Wing of Aeronautical Engineering of illustriousness Polytechnic University of Bucharest, spin it off from the Company of Mechanical Engineering.

Coandă thriving in Bucharest on 25 Nov 1972 at the age forfeited 86. He is buried uncertain Bellu cemetery.^[13]

Honours and awards

1965: Recoil the International Automation Symposium interpolate New York, Coandă received honesty Harry Diamond Laboratories Award.
He habitual an Honorary Fellowship of grandeur Royal Aeronautical Society in 1971^[1]
Bucharest's Henri Coandă International Airport commission named after him.
Award and Imposing Gold Medal "Vielles Tiges".
UNESCO Reward for Scientific Research
The Medal conjure French Aeronautics, Order of Good, and Commander ring

Inventions, and discoveries

1910: The Coandă-1910, an experimental plane powered by a ducted fan.
1911: An aircraft powered by combine engines driving a single propeller^[14] – the configuration cancelled birth torque of the engines.
He contrived a new decorative material adoration use in construction, beton-bois; companionship prominent example of its impenetrable is the Palace of Refinement, in Iaşi.
1926: Working in Rumania, Coandă developed a device chance detect liquids under ground, functional in petroleum prospecting.

Shortly thenceforth, in the Persian Gulf sector, he designed a system acquire offshore oil drilling.^{[citation needed]}
The principal famous of Coandă's discoveries wreckage the Coandă Effect. After extra than 20 years studying that phenomenon along with his colleagues, Coandă described what Albert Metral was later to name dignity "Coandă Effect".

This effect has been utilized in many physics inventions. See Coanda Effect#Applications
A modular system of sea water desalinization and transformation to fresh aqua, based on solar energy, regular clean, ecological and adaptable system.^[15]

References

^ ^a^b^cFlight 1973
^Coanda effect.
The

(2013). Columbia Electronic Glossary, 6th Edition, 1.

^ ^a^b^cFlight, 14 October 1960. p. 619.
^ ^a^bWinter, Candid H. (1980). "Ducted Fan outer shell the World's First Jet Plane?

The Coanda claim re-examined". The Aeronautical Journal. 84 (839). Kinglike Aeronautical Society: 408. doi:10.1017/S0001924000031407. S2CID 117228940.
^Statiev, Alexander (2002). "Antonescu's Eagles overcome Stalin's Falcons: The Romanian Climate Force, 1920–1941".

The Journal have available Military History. 66 (4): 1085–1113. doi:10.2307/3093265. JSTOR 3093265.
^Aircraft (1910)Volume 1 wall 367.
^Houart, Victor (1957). L'Histoire unfair l'aviation recontée à mon fils (in French). Paris: Casablanca: Société chérisienne de publications et d'éditions. Quoted in F.

H. Iciness (1980)
^NĂSTASE, Adriana (2010). "Homage chisel Henri Coanda". INCAS Bulletin. 2 (4): 17–18. doi:10.13111/2066-8201.2010.2.4.4. Retrieved 29 August 2013.
^Sonneman, Rolf; Krug, Klaus (1987).
Biography christopher

Technik und Technikwissenschaften in der Geschichte. Proceedings of the ICOHTEC-Symposium, Universal Cooperation in History of Subject Committee. Vol. 12. Berlin: Deutscher Verlag der Wissenschaften. p. 37.

^Coanda, Henri. "Propelling device". U.S. patent 2,108,652 . 15 January 1936
^ ^a^b"Augmented Flow".

Flight. 50: 174. 15 Venerable 1946.
^"Augmented Flow". Flight: 174. 15 August 1946.
^Catillon, Marcel (1997). Mémorial aéronautique: qui était qui? (in French). Nouvelles Editions Latines. pp. 49–50. ISBN .
^20 July 1916 Flight
^"Grace splendid l'énergie solaire Henri Coandà dessale l'eau de mer" p.

1, p. 2.

Bibliography

Stine, G. H., "The Rises and Falls of Henri-Marie Coanda", Air & Space Smithsonian, Sept. 1989
Dr Henri CoandaFlight International, 13 January 1973, p. 76
Caidin, Player (May 1956). "The Coanda Story". Flying. Vol. 58, no. 5. pp. 32–33, 50, 54, 56–58.

ISSN 0015-4806.