DE904255C - Combustion chamber for jet engines - Google Patents
Combustion chamber for jet enginesInfo
- Publication number
- DE904255C DE904255C DED6815D DED0006815D DE904255C DE 904255 C DE904255 C DE 904255C DE D6815 D DED6815 D DE D6815D DE D0006815 D DED0006815 D DE D0006815D DE 904255 C DE904255 C DE 904255C
- Authority
- DE
- Germany
- Prior art keywords
- combustion chamber
- air inlet
- jet engines
- air
- inlet openings
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
- F23R3/00—Continuous combustion chambers using liquid or gaseous fuel
- F23R3/02—Continuous combustion chambers using liquid or gaseous fuel characterised by the air-flow or gas-flow configuration
- F23R3/04—Air inlet arrangements
- F23R3/06—Arrangement of apertures along the flame tube
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
- F23R2900/00—Special features of, or arrangements for continuous combustion chambers; Combustion processes therefor
- F23R2900/03042—Film cooled combustion chamber walls or domes
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combustion Methods Of Internal-Combustion Engines (AREA)
Description
Die Erfindung bezieht sich auf Brennkammern von Strahltriebwerken, insbesondere zum Antrieb von Flugzeugen. Bei solchen Triebwerken ist die Brennkammer dasjenige Organ, das zur Erlangung der Mindestmaße für die Stirnwiderstände, Baugewicht und Abmessungen besonders hinderlich ist. Zweck der Erfindung ist, in dieser Hinsicht Vorteile zu schaffen und insbesondere eine rasche Verbrennung und kleine Abmessungen zu erzielen.The invention relates to combustion chambers of jet engines, especially for propulsion of airplanes. In such engines, the combustion chamber is the organ that is required to obtain the minimum dimensions for the frontal resistances, structural weight and dimensions is particularly cumbersome. The purpose of the invention is in this regard To create advantages, and in particular, rapid combustion and small dimensions to achieve.
Es ist bekannt, zu diesem Zweck die Verbrennungsluft tangential in die Brennkammer einzuführen, was eine Drehbewegung des Kammerinhaltes zur Folge hat. Diese Drehbewegung verursacht eine gute Mischung von Luft und Brennstoff. Außerdem wird dadurch ein gutes und gleichmäßiges Temperaturfeld über den ganzen Brennkammerquerschnitt angestrebt.It is known that the combustion air tangentially in for this purpose introduce the combustion chamber, which results in a rotary movement of the chamber contents Has. This rotation creates a good mixture of air and fuel. aside from that this creates a good and uniform temperature field over the entire cross-section of the combustion chamber aimed at.
Erfindungsgemäß wird vorgeschlagen, die Luft tangential in entgegengesetzten Richtungen einströmen zu lassen. Zu diesem Zweck sind die tangentialen Einströmöffnungen entweder reihenweise oder gruppenweise oder evtl. auch einzeln einander entgegengerichtet. Dadurch wird die Vermischung von Luft und Brennstoff und die Ausbildung eines gleichmäßigen Temperaturfeldes begünstigt, da zusätzlich zu der Drehbewegung noch eine radiale Aufrichtung der Luft- bzw. Gemischströme erfolgt.According to the invention it is proposed that the air tangentially in opposite directions To let directions flow in. The tangential inflow openings are for this purpose either in rows or in groups or possibly also individually directed opposite each other. This ensures the mixing of air and fuel and the formation of a uniform Favored temperature field, since in addition to the rotary movement there is also a radial movement The air or mixture flows are straightened out.
Zum Kleinhalten von Strömungsverlusten und zur besseren Richtungsgebung können die Lufteintrittsquerschnitte düsenartig gestaltet sein und unter einem bestimmten Anstellwinkel zur Brennkammerachse liegen.For keeping flow losses small and for better directionalization the air inlet cross-sections can be designed like a nozzle and under a certain Angle of incidence to the combustion chamber axis.
Vorteilhaft ist ferner, alle Zonen der Brennkammer sich dadurch gleichmäßig am Mischvorgang beteiligen zu lassen, daß die Lufteintrittsöffnungen einen verschieden großen Durchlaßquerschnitt haben und entsprechend gestaffelt sind.It is also advantageous that all zones of the combustion chamber are thereby uniform to let participate in the mixing process that the air inlet openings one different have a large passage cross-section and are staggered accordingly.
In der Zeichnung ist die Erfindung an Ausführungsbeispielen dargestellt, und zwar zeigt durchweg schematisch Abb. i eine Brennkammer für Turbinenantriebswerke im Längsschnitt, Abb. 2 und 3 eine einzelne Lufteintrittsöffnung nach dem Ausführungsbeispiel von Abb. i im Längsschnitt und Querschnitt, Abb. 4., 5 und 6 Querschnitte durch die Brennkammer nach den Linien IV-IV, V-V und VI-VI von Abb. i, Abb. 7 die weitere Ausführungsform einer Brennkammer im Längsschnitt, Abb. 8 und 9 Querschnitte durch die Brennkammer nach den Linien VIII-VIII und IX-IX von Abb. 7.In the drawing, the invention is shown in exemplary embodiments, Fig. i shows a combustion chamber for turbine engines throughout in longitudinal section, Fig. 2 and 3, a single air inlet opening according to the embodiment of Fig. i in longitudinal section and cross-section, Fig. 4., 5 and 6 cross-sections through the combustion chamber according to lines IV-IV, V-V and VI-VI of Fig. i, Fig. 7 the other Embodiment of a combustion chamber in longitudinal section, Fig. 8 and 9 cross sections through the combustion chamber along lines VIII-VIII and IX-IX of Fig. 7.
Die Brennkammeranordnung nach Abb. i besteht aus einem konisch sich verjüngenden Mantelrohr i, in welchem die eigentliche Brennkammer 2 angeordnet ist.The combustion chamber arrangement according to Fig. I consists of a conical itself tapering jacket tube i, in which the actual combustion chamber 2 is arranged.
Diese wird begrenzt durch ein konisches Rohrstück 3, an welchem durch Einschnitte und Ausprägungen tangentiale Eintrittsschlitze q. geschaffen sind, wie Abb. 2 und 3 im Längs- und Querschnitt zeigen. Die Hauptluft tritt durch den Brennkammerquerschnitt 5 bei der Brennstoffeinspritzdüse 6 ein.This is limited by a conical pipe section 3, on which through Incisions and impressions tangential entry slots q. are created like Fig. 2 and 3 show in longitudinal and cross-section. The main air passes through the cross section of the combustion chamber 5 at fuel injector 6.
Infolge der einander entgegengerichteten Tangentialströme ergibt sich dort, wo zwei Tangentialströme miteinander in Berührung gelangen, eine radiale Aufrichtung der Strömung, wie sie in _@bb. 6 veranschaulicht ist.As a result of the opposing tangential currents where two tangential currents come into contact with each other, a radial erection of the flow, as it is shown in _ @ bb. 6 is illustrated.
Auf diese Weise entsteht zwischen jeder Schlitzreihe eine Aufrichtströmung. `Nährend bei dem bisher beschriebenen Ausführungsbeispiel die Eintrittsmündungen die Brennkammerachse senkrecht kreuzen, liegen die Eintrittsschlitze 7 beim Ausführungsbeispiel nach Abb. 7 schräg zu dieser. Dadurch ergeben sich geringere Strömungsverluste, weil die eintretende Spülluft bereits angenähert in der Richtung des durch die Brennkammer hindurchtretenden Hauptluftstromes einmündet.In this way, an upright flow is created between each row of slots. `In the case of the embodiment described so far, the inlet mouths intersect the combustion chamber axis perpendicularly, the inlet slots 7 are in the embodiment according to Fig. 7 obliquely to this. This results in lower flow losses, because the incoming purge air is already approximated in the direction of the through the combustion chamber passing through the main air flow opens.
Die obenerwähnte Luftzuführung ist auch nicht nur, wie beschrieben, für sogenannte Gleichstromkammern, sondern auch für Verpuffungskammern von Vorteil, in denen eine mehr explosionsartige Verbrennung auftritt. In diesem Fall wird der Luftzutritt zweckmäßig durch geeignete Absperrglieder in an sich bekannter Weise gesteuert.The above-mentioned air supply is also not only, as described, for so-called direct current chambers, but also advantageous for deflagration chambers, in which more explosive combustion occurs. In this case the Air admission expediently through suitable shut-off elements in a manner known per se controlled.
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DED6815D DE904255C (en) | 1944-07-12 | 1944-07-12 | Combustion chamber for jet engines |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DED6815D DE904255C (en) | 1944-07-12 | 1944-07-12 | Combustion chamber for jet engines |
Publications (1)
Publication Number | Publication Date |
---|---|
DE904255C true DE904255C (en) | 1954-02-15 |
Family
ID=7031903
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DED6815D Expired DE904255C (en) | 1944-07-12 | 1944-07-12 | Combustion chamber for jet engines |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE904255C (en) |
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE959580C (en) * | 1951-01-27 | 1957-03-07 | Steinmueller Gmbh L & C | Combustion chamber with pulsating combustion |
DE966644C (en) * | 1956-07-02 | 1957-08-29 | Basf Ag | Process for operating hot gas turbines |
DE1029196B (en) * | 1955-10-01 | 1958-04-30 | Messerschmitt Boelkow Blohm | Annular combustion chamber for internal combustion turbines, especially aircraft internal combustion turbines |
DE1059719B (en) * | 1955-06-16 | 1959-06-18 | Jan Jerie Dr Ing | Cooled wall of a combustion chamber, especially for gas turbines |
DE1123163B (en) * | 1958-05-23 | 1962-02-01 | Gen Electric | Recoil engine with afterburners |
DE1164751B (en) * | 1958-09-29 | 1964-03-05 | Garrett Corp | Combustion device |
DE1179663B (en) * | 1957-12-31 | 1964-10-15 | Rudolf O Bracke Dipl Ing | Oil burner |
DE1246325B (en) * | 1953-06-27 | 1967-08-03 | Snecma | Incinerator |
EP0236625A2 (en) * | 1986-03-10 | 1987-09-16 | Sol-3 Resources, Inc. | A variable residence time vortex combustor |
DE4012923A1 (en) * | 1990-04-23 | 1991-10-24 | Skoog Kurt | DEVICE FOR BURNING FLUID, IN PARTICULAR LIQUID FUELS, LIKE OIL OR THE LIKE. |
WO1993018832A1 (en) * | 1992-03-20 | 1993-09-30 | Schneider-Sanchez Ges.M.B.H. | Small gas turbine |
EP0676590A1 (en) * | 1994-04-08 | 1995-10-11 | ROLLS-ROYCE plc | Gas turbine engine combustion apparatus |
EP1195559A3 (en) * | 2000-10-03 | 2002-05-15 | General Electric Company | Combustor liner having cooling holes with different orientations |
FR2920221A1 (en) * | 2007-08-24 | 2009-02-27 | Snecma | Combustion chamber for turbine engine, has deflector extending annular wall towards interior of chamber and downstream, and diverting air from exterior towards interior and downstream of chamber |
JP2013253767A (en) * | 2012-06-05 | 2013-12-19 | General Electric Co <Ge> | Combustor with brief severe quench zone |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2110209A (en) * | 1934-10-13 | 1938-03-08 | Baker Perkins Co Inc | Furnace |
CH199869A (en) * | 1937-08-20 | 1938-09-15 | Sulzer Ag | Two-stroke internal combustion engine. |
CH200570A (en) * | 1936-09-30 | 1938-10-15 | Messerschmitt Boelkow Blohm | Cylinders for internal combustion engines with piston-controlled inlet openings. |
US2174266A (en) * | 1937-06-15 | 1939-09-26 | Jackson Thomas | Internal combustion turbine |
CH213792A (en) * | 1939-09-29 | 1941-03-15 | Bbc Brown Boveri & Cie | Combustion chamber made of metal for the generation of heating and propellant gases of moderate temperature. |
CH214837A (en) * | 1959-10-08 | 1941-05-15 | Sulzer Ag | Gas turbine plant. |
CH218822A (en) * | 1939-07-04 | 1941-12-31 | Sulzer Ag | Gas turbine plant. |
CH219484A (en) * | 1941-02-03 | 1942-02-15 | Bbc Brown Boveri & Cie | Equipment on gas turbine system with constant pressure combustion and air cooling for starting the same and for idling operation. |
CH226308A (en) * | 1955-01-27 | 1943-03-31 | Bbc Brown Boveri & Cie | Combustion turbine system with constant pressure combustion and air cooling. |
CH229027A (en) * | 1942-09-21 | 1943-09-30 | Sulzer Ag | Device for mixing two gases at different temperatures. |
CH229158A (en) * | 1942-09-21 | 1943-10-15 | Sulzer Ag | Combustion chamber, especially for pressurized firing. |
-
1944
- 1944-07-12 DE DED6815D patent/DE904255C/en not_active Expired
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2110209A (en) * | 1934-10-13 | 1938-03-08 | Baker Perkins Co Inc | Furnace |
CH200570A (en) * | 1936-09-30 | 1938-10-15 | Messerschmitt Boelkow Blohm | Cylinders for internal combustion engines with piston-controlled inlet openings. |
US2174266A (en) * | 1937-06-15 | 1939-09-26 | Jackson Thomas | Internal combustion turbine |
CH199869A (en) * | 1937-08-20 | 1938-09-15 | Sulzer Ag | Two-stroke internal combustion engine. |
CH218822A (en) * | 1939-07-04 | 1941-12-31 | Sulzer Ag | Gas turbine plant. |
CH213792A (en) * | 1939-09-29 | 1941-03-15 | Bbc Brown Boveri & Cie | Combustion chamber made of metal for the generation of heating and propellant gases of moderate temperature. |
CH219484A (en) * | 1941-02-03 | 1942-02-15 | Bbc Brown Boveri & Cie | Equipment on gas turbine system with constant pressure combustion and air cooling for starting the same and for idling operation. |
CH229027A (en) * | 1942-09-21 | 1943-09-30 | Sulzer Ag | Device for mixing two gases at different temperatures. |
CH229158A (en) * | 1942-09-21 | 1943-10-15 | Sulzer Ag | Combustion chamber, especially for pressurized firing. |
CH226308A (en) * | 1955-01-27 | 1943-03-31 | Bbc Brown Boveri & Cie | Combustion turbine system with constant pressure combustion and air cooling. |
CH214837A (en) * | 1959-10-08 | 1941-05-15 | Sulzer Ag | Gas turbine plant. |
Cited By (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE959580C (en) * | 1951-01-27 | 1957-03-07 | Steinmueller Gmbh L & C | Combustion chamber with pulsating combustion |
DE1246325B (en) * | 1953-06-27 | 1967-08-03 | Snecma | Incinerator |
DE1059719B (en) * | 1955-06-16 | 1959-06-18 | Jan Jerie Dr Ing | Cooled wall of a combustion chamber, especially for gas turbines |
DE1029196B (en) * | 1955-10-01 | 1958-04-30 | Messerschmitt Boelkow Blohm | Annular combustion chamber for internal combustion turbines, especially aircraft internal combustion turbines |
DE966644C (en) * | 1956-07-02 | 1957-08-29 | Basf Ag | Process for operating hot gas turbines |
DE1179663B (en) * | 1957-12-31 | 1964-10-15 | Rudolf O Bracke Dipl Ing | Oil burner |
DE1123163B (en) * | 1958-05-23 | 1962-02-01 | Gen Electric | Recoil engine with afterburners |
DE1164751B (en) * | 1958-09-29 | 1964-03-05 | Garrett Corp | Combustion device |
EP0236625A2 (en) * | 1986-03-10 | 1987-09-16 | Sol-3 Resources, Inc. | A variable residence time vortex combustor |
EP0236625A3 (en) * | 1986-03-10 | 1989-03-22 | Sol-3 Resources, Inc. | A variable residence time vortex combustor |
DE4012923A1 (en) * | 1990-04-23 | 1991-10-24 | Skoog Kurt | DEVICE FOR BURNING FLUID, IN PARTICULAR LIQUID FUELS, LIKE OIL OR THE LIKE. |
WO1993018832A1 (en) * | 1992-03-20 | 1993-09-30 | Schneider-Sanchez Ges.M.B.H. | Small gas turbine |
US5528903A (en) * | 1992-03-20 | 1996-06-25 | Schneider-Sanchez Ges.M.B.H. | Small gas turbine |
EP0676590A1 (en) * | 1994-04-08 | 1995-10-11 | ROLLS-ROYCE plc | Gas turbine engine combustion apparatus |
US5590530A (en) * | 1994-04-08 | 1997-01-07 | Rolls-Royce Plc | Fuel and air mixing parts for a turbine combustion chamber |
EP1195559A3 (en) * | 2000-10-03 | 2002-05-15 | General Electric Company | Combustor liner having cooling holes with different orientations |
FR2920221A1 (en) * | 2007-08-24 | 2009-02-27 | Snecma | Combustion chamber for turbine engine, has deflector extending annular wall towards interior of chamber and downstream, and diverting air from exterior towards interior and downstream of chamber |
JP2013253767A (en) * | 2012-06-05 | 2013-12-19 | General Electric Co <Ge> | Combustor with brief severe quench zone |
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