IL42041A - Low drag airfoils and method of designing same - Google Patents

Low drag airfoils and method of designing same

Info

Publication number: IL42041A
Authority: IL; Israel
Prior art keywords: velocity; acceleration; distribution; airfoil; velocity distribution
Prior art date: 1972-05-04

Application number

IL42041A

Other languages

English (en)

Other versions

IL42041A0 (en

Original Assignee

Mc Donnell Douglas Corp

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1972-05-04

Filing date

1973-04-16

Publication date

1977-05-31

1973-04-16 Application filed by Mc Donnell Douglas Corp filed Critical Mc Donnell Douglas Corp

1973-07-30 Publication of IL42041A0 publication Critical patent/IL42041A0/xx

1977-05-31 Publication of IL42041A publication Critical patent/IL42041A/en

Links

238000000034 method Methods 0.000 title claims description 58
238000009826 distribution Methods 0.000 claims description 200
238000013461 design Methods 0.000 claims description 50
230000001133 acceleration Effects 0.000 claims description 43
230000007704 transition Effects 0.000 claims description 12
230000007423 decrease Effects 0.000 claims description 2
230000003247 decreasing effect Effects 0.000 claims 3
230000001172 regenerating effect Effects 0.000 claims 2
238000006467 substitution reaction Methods 0.000 claims 2
230000037237 body shape Effects 0.000 claims 1
238000011084 recovery Methods 0.000 description 27
238000000926 separation method Methods 0.000 description 21
239000000243 solution Substances 0.000 description 16
230000000694 effects Effects 0.000 description 8
238000012986 modification Methods 0.000 description 6
230000004048 modification Effects 0.000 description 6
238000013459 approach Methods 0.000 description 5
238000012360 testing method Methods 0.000 description 5
238000009472 formulation Methods 0.000 description 4
238000012804 iterative process Methods 0.000 description 4
239000000203 mixture Substances 0.000 description 4
230000009466 transformation Effects 0.000 description 4
230000008859 change Effects 0.000 description 3
238000012937 correction Methods 0.000 description 2
230000002349 favourable effect Effects 0.000 description 2
238000005457 optimization Methods 0.000 description 2
230000002028 premature Effects 0.000 description 2
230000003068 static effect Effects 0.000 description 2
230000002411 adverse Effects 0.000 description 1
150000001768 cations Chemical class 0.000 description 1
230000009194 climbing Effects 0.000 description 1
239000013256 coordination polymer Substances 0.000 description 1
230000001419 dependent effect Effects 0.000 description 1
238000011161 development Methods 0.000 description 1
230000010354 integration Effects 0.000 description 1
238000010008 shearing Methods 0.000 description 1
230000001131 transforming effect Effects 0.000 description 1

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C3/00—Wings
- B64C3/10—Shape of wings
- B64C3/14—Aerofoil profile
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/10—Drag reduction

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Aviation & Aerospace Engineering (AREA)
Turbine Rotor Nozzle Sealing (AREA)

IL42041A 1972-05-04 1973-04-16 Low drag airfoils and method of designing same IL42041A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US25041872A	1972-05-04	1972-05-04

Publications (2)

Publication Number	Publication Date
IL42041A0 IL42041A0 (en)	1973-07-30
IL42041A true IL42041A (en)	1977-05-31

Family

ID=22947656

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IL42041A IL42041A (en)	1972-05-04	1973-04-16	Low drag airfoils and method of designing same

Country Status (5)

Country	Link
JP (1)	JPS4948099A (it)
CA (1)	CA968772A (it)
DE (1)	DE2322654A1 (it)
IL (1)	IL42041A (it)
IT (1)	IT984915B (it)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN104149968A (zh) *	2014-08-07	2014-11-19	西北工业大学	一种极低雷诺数高效高空螺旋桨及高空无人机

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
AU555526B2 (en) *	1982-10-29	1986-09-25	General Electric Company	Aircraft engine nacelle
GB2246398A (en) *	1990-07-26	1992-01-29	Howden Wind Turbines Limited	Wind turbine blade and rotor incorporating same
CN102072080B (zh) *	2011-01-18	2012-12-12	华北电力大学	一种风力机高性能叶片
CN104118556B (zh) *	2014-08-07	2015-03-18	西北工业大学	一种极低雷诺数高升阻比低速特殊勺型翼型

1973
- 1973-04-16 IL IL42041A patent/IL42041A/en unknown
- 1973-04-26 JP JP48047530A patent/JPS4948099A/ja active Pending
- 1973-05-03 DE DE2322654A patent/DE2322654A1/de active Pending
- 1973-05-03 CA CA170,318A patent/CA968772A/en not_active Expired
- 1973-05-04 IT IT49789/73A patent/IT984915B/it active

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN104149968A (zh) *	2014-08-07	2014-11-19	西北工业大学	一种极低雷诺数高效高空螺旋桨及高空无人机

Also Published As

Publication number	Publication date
IL42041A0 (en)	1973-07-30
JPS4948099A (it)	1974-05-09
IT984915B (it)	1974-11-20
DE2322654A1 (de)	1973-11-08
CA968772A (en)	1975-06-03

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