RU94037889A - Thermoacoustic resonator of gas-dynamic igniter - Google Patents

Thermoacoustic resonator of gas-dynamic igniter

Info

Publication number
RU94037889A
RU94037889A RU94037889/06A RU94037889A RU94037889A RU 94037889 A RU94037889 A RU 94037889A RU 94037889/06 A RU94037889/06 A RU 94037889/06A RU 94037889 A RU94037889 A RU 94037889A RU 94037889 A RU94037889 A RU 94037889A
Authority
RU
Russia
Prior art keywords
resonator
casing
rod
manufacture
fuel
Prior art date
Application number
RU94037889/06A
Other languages
Russian (ru)
Other versions
RU2062404C1 (en
Inventor
К.В. Лысенко
Original Assignee
К.В. Лысенко
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.)
Filing date
Publication date
Application filed by К.В. Лысенко filed Critical К.В. Лысенко
Priority to RU94037889A priority Critical patent/RU2062404C1/en
Application granted granted Critical
Publication of RU2062404C1 publication Critical patent/RU2062404C1/en
Publication of RU94037889A publication Critical patent/RU94037889A/en

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  • Combustion Methods Of Internal-Combustion Engines (AREA)
  • Gas Burners (AREA)

Abstract

FIELD: heat-power engineering; firing-up of industrial boiler units. SUBSTANCE: thermoacoustic resonator 5 is made in form of thin-walled cylindrical casing with blanked-off outlet end 6 to which taper rod 7 is secured. Rod 7 is arranged axis-symmetrically inside casing and its pointed end is directed towards inlet end of resonator 5. Resonator 5 is mounted in prechamber 1 of gas-dynamic igniter; fuel coaxial supply branch pipe 4 and oxidizer coaxial supply branch pipe 3 are located opposite it. Fuel mixture from nozzle of branch pipe 3 is fed to prechamber 1 and then to resonator 5 where resonance acoustic vibrations are generated causing propagation of shock waves inside resonator 5. As a result fuel energy is liberated heating blanked-off section of resonator 5 and casing ignition of fuel mixture. Manufacture is considerably facilitated due to cylindrical form of resonator 5 and taper form of rod 7 since it is easier to make outer cone than inner one, especially in manufacture of small-sized igniters. EFFECT: facilitated manufacture.

Claims (1)

Изобретение относится к теплотехнике, в частности к газодинамическим воспламенителям, и может быть использовано для розжига промышленных котлоагрегатов. Достигаемый изобретением технический результат заключается в повышении технологичности и упрощении изготовления резонатора с малыми габаритами (небольшим расходом рабочей среды). Термоакустический резонатор 5 представляет собой тонкостенный цилиндрический кожух с заглушенным выходным торцом 6. К торцу 6 прикреплен основанием конический стержень 7 из сплошного материала, размещенный осесимметрично внутри кожуха и острием направленный в сторону входного торца резонатора 5. Резонатор 5 установлен в форкамере 1 газодинамического воспламенителя, напротив которого размещены коаксиально подводящие патрубки топлива 4 и окислителя 3. Перемешанная топливная смесь из сопла патрубка 3 поступает в форкамеру 1, а из нее в резонатор 5. В резонаторе возникают резонансные акустические колебания, что вызывает распространение внутри резонатора 5 ударных волн. При этом выделяется топливная энергия, нагревающие заглушенный участок резонатора 5 и вызывая воспламенение топливной смеси. Выполнение кожуха резонатора 5 цилиндрический и стержня 7 коническим для образования сужающего канала значительно повышает технологичность изготовлений, т.к. выполнить наружный конус легче, чем внутренний особенно при изготовлении резонаторов для воспламенителей о небольшим расход дом рабочей среды, т.е. для небольших габаритов.
Figure 00000001
The invention relates to heat engineering, in particular to gas-dynamic igniters, and can be used to ignite industrial boilers. The technical result achieved by the invention consists in increasing manufacturability and simplifying the manufacture of a resonator with small dimensions (low flow rate of the working medium). The thermoacoustic resonator 5 is a thin-walled cylindrical casing with a muffled outlet end 6. A conical rod 7 of solid material is attached to the end 6, axisymmetrically placed inside the casing and pointed with a tip towards the inlet end of the resonator 5. The resonator 5 is mounted in the pre-chamber 1 of the gas-dynamic igniter, opposite which is placed coaxial inlet fuel pipes 4 and oxidizer 3. The mixed fuel mixture from the nozzle of the pipe 3 enters the prechamber 1, and from it into the cavity ator 5. Resonant acoustic vibrations occur in the resonator, which causes 5 shock waves to propagate inside the resonator. In this case, fuel energy is released, heating the muffled section of the resonator 5 and causing ignition of the fuel mixture. The execution of the casing of the resonator 5 is cylindrical and the rod 7 is conical for the formation of a narrowing channel significantly increases the manufacturability, because It is easier to make the outer cone than the inner one, especially when manufacturing resonators for igniters with a low consumption of the working medium, i.e. for small dimensions.
Figure 00000001
RU94037889A 1994-09-06 1994-09-06 Thermoacoustical resonator of gas dynamic ignitor RU2062404C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU94037889A RU2062404C1 (en) 1994-09-06 1994-09-06 Thermoacoustical resonator of gas dynamic ignitor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU94037889A RU2062404C1 (en) 1994-09-06 1994-09-06 Thermoacoustical resonator of gas dynamic ignitor

Publications (2)

Publication Number Publication Date
RU2062404C1 RU2062404C1 (en) 1996-06-20
RU94037889A true RU94037889A (en) 1996-08-20

Family

ID=20161485

Family Applications (1)

Application Number Title Priority Date Filing Date
RU94037889A RU2062404C1 (en) 1994-09-06 1994-09-06 Thermoacoustical resonator of gas dynamic ignitor

Country Status (1)

Country Link
RU (1) RU2062404C1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2485402C1 (en) * 2011-11-25 2013-06-20 Федеральное государственное унитарное предприятие "Центральный институт авиационного моторостроения имени П.И. Баранова" Gas dynamic igniter

Also Published As

Publication number Publication date
RU2062404C1 (en) 1996-06-20

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