CN103808515B - Blade segregation apparatus and electromotor including experiment device - Google Patents
Blade segregation apparatus and electromotor including experiment device Download PDFInfo
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- CN103808515B CN103808515B CN201210448993.XA CN201210448993A CN103808515B CN 103808515 B CN103808515 B CN 103808515B CN 201210448993 A CN201210448993 A CN 201210448993A CN 103808515 B CN103808515 B CN 103808515B
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Abstract
The invention discloses a kind of blade segregation apparatus and electromotor including experiment device, relate to aero engine technology field.Solve the technical problem that prior art exists at the bottom of success of the test rate, takes time and effort.The blade segregation apparatus that the present invention provides, including explosive, storage chamber and control device, wherein: storage chamber is arranged on the tongue-and-groove inwall of blade tenon outer wall or wheel disc, and explosive is embedded in storage chamber；Control device and be used for detonation of explosives, make explosive that blade to be separated into by the way of blast at least two parts.The electromotor including experiment device that the present invention provides, the blade segregation apparatus provided including the arbitrary technical scheme of the present invention.The present invention is for improving the success rate of including experiment.
Description
Technical field
The present invention relates to aero engine technology field, be specifically related to a kind of blade segregation apparatus and the electromotor including experiment device of this blade segregation apparatus is set.
Background technology
Blade of aviation engine including experiment is one of engine model sizing or the important tests that must carry out during Airworthiness Certification, and this test is in order to judge whether aero-engine meets the requirement of pardon after leaf abscission.Pardon refers to the containment properties of the engine structure fragment to being formed after blade generation.The performance that fragment penetration power resisted by the electromotor that pardon is excellent is the most powerful.
When implementing blade containment test, need to meet certain experimental condition, experimental condition includes:
1. blade is in the most dangerous position fracture, can select at blade outermost layer tongue-and-groove, or rupture at the 80% of Blisk individual blade；The tongue-and-groove of the wheel disc (being called for short: wheel disc) of blade tenon (abbreviation tenon) 41, blade is the attachment structure that aero-engine Leaf is common with wheel disc as shown in Figure 1, wherein: blade 40 one of blade tenon 41 and blade, tongue-and-groove and wheel disc one.
2. blade ruptures under maximum permissible speed, for the sake of conservative, can select red line rotating speed.The blade meeting design will not rupture rapidly under red line rotating speed in short-term, it is more difficult to ensures to rupture at " blade danger position ", therefore in actual blade containment process of the test, typically blade can be carried out prefabricated process.Current modal processing method is: cut on blade tenon 41 as shown in Figure 1, cuts out otch 44 to reduce this position and bears the ability of centrifugal force load.
Above-mentioned on the tenon 41 of blade as shown in Figure 1 the method for cut 44 there is following obvious defect technically:
1. prepared recess 44 should how cutting and cut much being difficult to and accurately determine；
If 2. otch 44 is cut too much, just rupturing time " maximum (top) speed " that blade not up to sets, the blade come off is not up to predetermined kinetic energy, it is impossible to examination electromotor contains ability, and test failure, so success of the test rate is low；
3. it is the situation preventing the test failure described in defect 2, otch 44 is typically cut less, operate under " maximum (top) speed " and do not rupture, now can only take off blade and cut once again and install the most again, but equally exist to cut and too much rupture in advance or cut to obtain the too small situation that cannot rupture.Obviously, this processing mode takes time and effort, it is difficult to accurately control.
Summary of the invention
The purpose of the present invention is to propose to a kind of blade segregation apparatus and the electromotor including experiment device of this blade segregation apparatus is set, solving the technical problem that prior art exists at the bottom of success of the test rate, takes time and effort.It addition, optimal technical scheme of the present invention also solves prior art there is the technical problem being difficult to accurately control.
For achieving the above object, the invention provides techniques below scheme:
The blade segregation apparatus that the embodiment of the present invention provides, including explosive, storage chamber and control device, wherein:
Described storage chamber is arranged on the tongue-and-groove inwall of blade tenon outer wall or wheel disc, and described explosive is embedded in described storage chamber；
Described control device is used for igniting described explosive, makes described explosive, by the way of blast, described blade are separated at least two parts.
In one embodiment, described explosive is explosive, and described control device includes controller and is embedded in the fuse in described explosive, and described controller ignites described explosive for driving described fuse by the way of described fuse is launched wireless signal.
In one embodiment, described wireless signal include infrared signal, electromagnetic wave signal and acoustic signals at least one.
In one embodiment, described blade segregation apparatus also includes bursting diaphragm, and described bursting diaphragm is between the tongue-and-groove inwall of described explosive and described wheel disc.
In one embodiment, described storage chamber is arranged on the outer wall of relative both sides, described blade tenon position.
In one embodiment, the length direction of described storage chamber is paralleled with the length direction of the tongue-and-groove of described wheel disc.
In one embodiment, in the two sides that described bursting diaphragm position is relative, wherein the tongue-and-groove inwall of one side and described wheel disc abuts against, and wherein another side abuts against with described explosive, described blade tenon.
In one embodiment, it is additionally provided with stopper slot around described storage chamber opening, the edge portions of described bursting diaphragm is embedded in described stopper slot, and described bursting diaphragm deviates between the described blade tenon outer wall around the one side of described explosive and described stopper slot in smoothing junction.
In one embodiment, described blade segregation apparatus also includes that elastomeric pad, described elastomeric pad are embedded between the tongue-and-groove inwall of described wheel disc and described blade tenon.
The electromotor including experiment device that the embodiment of the present invention provides, the blade segregation apparatus provided including the arbitrary technical scheme of the embodiment of the present invention.
Based on technique scheme, the embodiment of the present invention at least can produce following technique effect:
Owing to the control device in the blade segregation apparatus that the embodiment of the present invention provides can pass through detonation of explosives, make explosive that blade to be separated into by the way of blast at least two parts, and the opportunity (such as: when rotating speed reaches predetermined value) controlling device ignition can be determined according to the needs of test by staff completely, so staff can suitable opportunity direct detonation of explosives thus blade is separated into multiple fragment to ensure including experiment success, carry out smoothly, success of the test rate is higher, because without arranging otch, so the most there is not taking time and effort of arranging that otch caused, otch is difficult to many technological deficiencies such as accurate control, exist at the bottom of success of the test rate so solving prior art, the technical problem taken time and effort.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, and the schematic description and description of the present invention is used for explaining the present invention, is not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram of the structure of the blade being provided with otch in prior art；
The schematic diagram of the assembling process of the blade of the blade segregation apparatus that Fig. 2 is provided by being provided with the embodiment of the present invention；
The schematic diagram of the stereochemical structure of the blade of the blade segregation apparatus that Fig. 3 is provided by being provided with the embodiment of the present invention；
Fig. 4 is the partial schematic sectional view of the structure at blade intra vane segregation apparatus shown in Fig. 3；
Fig. 5 is to control the schematic diagram of control planning between device and explosive in blade intra vane segregation apparatus shown in Fig. 3；
Labelling in figure: 1, explosive；2, storage chamber；3, device is controlled；31, controller；32, fuse；40, blade；41, blade tenon；42, wheel disc；43, tongue-and-groove；44, otch；5, bursting diaphragm；6, stopper slot；7, elastomeric pad；81, arrow one；82, arrow two.
Detailed description of the invention
Below by accompanying drawing Fig. 2～Fig. 5 and the mode of some alternative embodiments enumerating the present invention, technical scheme (including optimal technical scheme) is described in further detail.It should be understood that any technical characteristic in the present embodiment, any technical scheme is all one or more in the technical characteristic of plurality of optional or optional technical scheme, cannot all alternative technical characteristic of the exhaustive present invention and alternative technical scheme in order to describe succinct need in presents, also the embodiment being not easy to each technical characteristic all emphasizes that it is one of optional numerous embodiments, so those skilled in the art should know: any technical characteristic and any technical scheme in the present embodiment are all not intended to protection scope of the present invention, protection scope of the present invention should include that those skilled in the art do not pay the thinkable any alternate embodiments of creative work.
Embodiments provide that a kind of including experiment success rate is high, time saving and energy saving and the blade segregation apparatus that controls and arrange the electromotor including experiment device of this blade segregation apparatus of being more convenient for.
The technical scheme provided the present invention below in conjunction with Fig. 2～Fig. 5 illustrates in more detail, and the technical scheme arbitrary technological means that the present invention provides being replaced or two or more technological means that the present invention provides being combined mutually and obtain all should be within protection scope of the present invention.
As shown in Fig. 2～Fig. 5, the blade segregation apparatus that the embodiment of the present invention is provided, including explosive 1 as shown in Figure 4 and Figure 5, storage chamber 2 as shown in Figure 2 and control device 3, wherein: storage chamber 2 is arranged at blade tenon 41 outer wall as shown in Figure 2, explosive 1 is embedded in storage chamber 2.Control device 3 and be used for detonation of explosives 1, make explosive 1 that blade to be separated into by the way of blast at least two parts.Blade after separation forms multiple fragment, the most just can be configured the including experiment of the electromotor of this blade.Fig. 2 also illustrates the blade 40 of blade.
The opportunity (such as: when rotating speed reaches predetermined value) ignited owing to controlling device 3 in the present invention can be determined according to the needs of test by staff, so staff can be at direct detonation of explosives 1 on suitable opportunity, thus blade is separated into multiple fragment to ensure including experiment success, to carry out smoothly, success of the test rate is higher
Certainly, storage chamber 2 as shown in Figure 2 is arranged on tongue-and-groove 43 inwall of wheel disc 42, has not only been arranged on blade tenon 41 outer wall but also has been arranged on tongue-and-groove 43 inwall or be arranged on blade the technical scheme of other positions also within protection scope of the present invention.
In the present embodiment, explosive 1 is preferably explosive as shown in Figure 5, controls device 3 and includes controller 31 and the fuse 32 being embedded in explosive, and controller 31 is for driving fuse 32 with ignition charge by the way of fuse 32 is launched wireless signal.
The circuit of the electronic installation transmitting detonator signal by the way of launching wireless signal is easily built, and controller 31 can realize remotely controlling, and in process of the test, safety is more preferable.
Certainly, use other explosives such as detonator to replace the connected mode of wireless signal also within protection scope of the present invention in the way of replacing the technical scheme of explosive or using electric wire or the connection of other conductors.
In the present embodiment wireless signal include infrared signal, electromagnetic wave signal and acoustic signals at least one, wireless signal is preferably infrared signal.Above wireless signal has that instruction transmission speed is fast, circuit is easy to the advantage built.
Certainly, use the mode of other wireless signals to replace the technical scheme of above-mentioned wireless signal also within protection scope of the present invention.
The present embodiment Leaf segregation apparatus also includes that bursting diaphragm 5 as shown in figures 2 or 4, bursting diaphragm 5 are preferably steel plate, and bursting diaphragm 5 is between tongue-and-groove 43 inwall of explosive 1 and wheel disc 42.The explosive force of explosive 1 release can be played certain defence, guide effect by bursting diaphragm 5, thus ensures that explosive force mainly acts on blade tenon 41.
Certainly, the structure of bursting diaphragm 5 is set to other shapes or the technical scheme that is modified the position of bursting diaphragm 5 also within protection scope of the present invention.
In the present embodiment, storage chamber 2 is arranged on the outer wall of relative both sides, blade tenon 41 position.This structure can ensure that the application point of the explosive force that explosive 1 discharges more is concentrated, and thus can accelerate the speed that blade separates.
In the present embodiment, the length direction of storage chamber 2 is paralleled with the length direction of the tongue-and-groove 43 of wheel disc 42.This structure can make full use of the space on wheel disc 42, divides at the same time it can also be accommodate more explosive 1 ensureing blade to be enough to because of explosive force.
In the two sides that in the present embodiment, bursting diaphragm 5 position is relative, wherein tongue-and-groove 43 inwall of one side and wheel disc 42 abuts against, and wherein another side abuts against with explosive 1, blade tenon 41.
Bursting diaphragm 5 covers explosive 1 and is possible not only to ensure that the explosive force of explosive 1 release mainly acts on blade tenon 41, and then speeding-up blade separates, and wheel disc 42 is caused damage by the explosive force that explosive 1 can be avoided to discharge, thus extend service life and the safety of whole test of wheel disc 42.
The present embodiment is additionally provided with around storage chamber 2 opening stopper slot 6 (as shown in heavy black line bar in Fig. 2), stopper slot 6 is referred to as installing limit, the edge portions of bursting diaphragm 5 is embedded in stopper slot 6, and bursting diaphragm 5 deviates between blade tenon 41 outer wall around the one side of explosive 1 and stopper slot 6 in smoothing junction.
The advantage that this structure not only has compact conformation, is easily installed, and bursting diaphragm 5 can be played preferable position-limiting action by stopper slot 6, meanwhile, explosive 1 (such as explosive) can be avoided to reveal between the tongue-and-groove 43 of bursting diaphragm 5 and wheel disc 42.
The present embodiment Leaf segregation apparatus also includes that elastomeric pad 7, elastomeric pad 7 are embedded between tongue-and-groove 43 inwall of wheel disc 42 and blade tenon 41.Elastomeric pad 7 can avoid blade tenon 41 to get loose in the tongue-and-groove 43 of wheel disc 42.Arrow 1 shown in Fig. 3 represents that between tongue-and-groove 43 inwall and blade tenon 41 of wheel disc 42 after embedding elastomeric pad 7, elastomeric pad 7 abuts the direction of power to blade applying.
Certainly, use other structural members to replace elastomeric pad 7 or to be not provided with the technical scheme of elastomeric pad 7 also within protection scope of the present invention.
As shown in Fig. 2～Fig. 5, setting and the process of use of the blade segregation apparatus that the present invention provides are as follows:
1, blade tenon 41 side is carried out precut process, form a kind of storage chamber 2 integrated for depositing explosive and for placing the cavity of the stopper slot 6 of bursting diaphragm 5.
2, in the storage chamber 2 of cutting, explosive 1 and fuse 32 are filled out.Using wireless fuse in the present invention, this system can be accurately and easily in the lower ignition that imposes a condition.Explosive 1 selects to use explosive herein, owing to explosive is originally as prior art, so the present invention does not directly give explosive concrete technology requirement, but selection standard is: energy is big, efficiency is high, good stability, that is: require that less explosive can be successfully by fried for blade de-, and stability of explosive is higher, will not explode in transport, installation process, can only be ignited by wireless fuse.
3, sealing with a bursting diaphragm 5 respectively and fill in the storage chamber 2 of explosive and fuse 32, storage chamber 2 and bursting diaphragm 5 medial surface form an explosion chamber sealed, after bursting diaphragm 5 is shaped such that bursting diaphragm 5 is installed, it is ensured that blade tenon 41 and the original assembly relation of tongue-and-groove 43.
5, the blade tenon 41 of band demolition set assembles with tongue-and-groove 43: first by blade tenon 41 from the section insertion groove of tongue-and-groove 43, blade tenon 41 is made to contact with tongue-and-groove 43 by a radial tightening power, elastomeric pad 7 (the tenon cushion block of elastomeric pad 7 preferably band shell fragment) is inserted again, it is achieved blade tenon 41 and the assembling of tongue-and-groove 43 from the end face of tongue-and-groove 43.
4, completing follow-on test to install, including rotating back-up ring ring, trim screw etc., such operation is consistent with existing test method, and the present invention does not elaborates.
5, during test, rotor is accelerated to desired speed, after stabilization of speed, operating control device 3 waits wireless signal mode ignition charge by infrared, the explosive force of explosive release forms the direction of extruding force as shown in arrow 2 82 in Fig. 4 to blade tenon 41, can realize leaf abscission under the effect of this extruding force.
As shown in Fig. 2～Fig. 5, the electromotor including experiment device that the embodiment of the present invention provides, the blade segregation apparatus provided including the arbitrary technical scheme of the present invention.
The electromotor including experiment device provided due to the present invention includes the blade segregation apparatus that the arbitrary technical scheme of the present invention is provided, so the technique effect identical with the blade segregation apparatus that the present invention provides at least can be produced, at least can solve identical technical problem, this point repeats no more herein.
It should be understood that the technical scheme being applied to by the blade segregation apparatus that arbitrary for present invention technical scheme is provided on other devices outside electromotor including experiment device is also within protection scope of the present invention.
Arbitrary technical scheme disclosed in the invention described above is unless otherwise stated, if it discloses numerical range, the disclosedest numerical range is preferred numerical range, any it should be appreciated by those skilled in the art: preferably numerical range is only the numerical value that in many enforceable numerical value, technique effect is obvious or representative.Owing to numerical value is more, it is impossible to exhaustive, so the present invention just open component values is to illustrate technical scheme, and, the above-mentioned numerical value enumerated should not constitute the restriction to the invention protection domain.
Simultaneously, if the invention described above discloses or relate to parts or the structural member of connection fastened to each other, so, unless otherwise stated, fixing connection is it is to be understood that connection (such as using bolt or screw to connect) can releasably be fixed, it can be appreciated that: non-removable fixing connection (such as rivets, welds), certainly, connection fastened to each other can also by integral type structure (such as use casting, forge or injection etc. technique is integrally formed manufactures) replaced (except substantially cannot using integrally formed technique).
It addition, applied in arbitrary technical scheme disclosed in the invention described above for represent term its implication unless otherwise stated of position relationship or shape include approximating with it, similar or close state or shape.The either component that the present invention provides both can be to be assembled by multiple single ingredients, it is also possible to the separate part that the technique that is one of the forming manufactures.
Finally should be noted that: above example is only in order to illustrate that technical scheme is not intended to limit；Although being described in detail the present invention with reference to preferred embodiment, those of ordinary skill in the field are it is understood that still can modify to the detailed description of the invention of the present invention or portion of techniques feature is carried out equivalent；Without deviating from the spirit of technical solution of the present invention, it all should be contained in the middle of the technical scheme scope that the present invention is claimed.
Claims (9)
1. a blade segregation apparatus, it is characterised in that include explosive (1), storage chamber (2) and control device (3), wherein:
Described storage chamber (2) is arranged on tongue-and-groove (43) inwall of blade tenon (41) outer wall or wheel disc (42), and described explosive (1) is embedded in described storage chamber (2)；
Described control device (3) is used for igniting described explosive (1), makes described explosive (1), by the way of blast, described blade are separated at least two parts；
Described blade segregation apparatus also includes bursting diaphragm (5), and described bursting diaphragm (5) is between tongue-and-groove (43) inwall of described explosive (1) and described wheel disc (42).
Blade segregation apparatus the most according to claim 1, it is characterized in that, described explosive is explosive, and described control device includes controller and is embedded in the fuse in described explosive, and described controller ignites described explosive for driving described fuse by the way of described fuse is launched wireless signal.
Blade segregation apparatus the most according to claim 2, it is characterised in that described wireless signal include infrared signal, electromagnetic wave signal and acoustic signals at least one.
Blade segregation apparatus the most according to claim 1, it is characterised in that described storage chamber is arranged on the outer wall of relative both sides, described blade tenon position.
Blade segregation apparatus the most according to claim 1, it is characterised in that the length direction of described storage chamber is paralleled with the length direction of the tongue-and-groove of described wheel disc.
Blade segregation apparatus the most according to claim 1, it is characterised in that in the two sides that described bursting diaphragm position is relative, wherein the tongue-and-groove inwall of one side and described wheel disc abuts against, and wherein another side abuts against with described explosive, described blade tenon.
Blade segregation apparatus the most according to claim 1, it is characterized in that, it is additionally provided with stopper slot around described storage chamber opening, the edge portions of described bursting diaphragm is embedded in described stopper slot, and described bursting diaphragm deviates between the described blade tenon outer wall around the one side of described explosive and described stopper slot in smoothing junction.
8. according to the arbitrary described blade segregation apparatus of claim 1-3, it is characterised in that described blade segregation apparatus also includes that elastomeric pad, described elastomeric pad are embedded between the tongue-and-groove inwall of described wheel disc and described blade tenon.
9. an electromotor including experiment device, including the arbitrary described blade segregation apparatus of claim 1-8.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210448993.XA CN103808515B (en) | 2012-11-12 | 2012-11-12 | Blade segregation apparatus and electromotor including experiment device |
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| CN201210448993.XA CN103808515B (en) | 2012-11-12 | 2012-11-12 | Blade segregation apparatus and electromotor including experiment device |
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| CN103808515A CN103808515A (en) | 2014-05-21 |
| CN103808515B true CN103808515B (en) | 2016-08-03 |
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| CN109815582B (en) * | 2019-01-21 | 2023-02-28 | 中国航发湖南动力机械研究所 | Analysis method for failure inclusion of centrifugal impeller wheel disc |
| CN110030042B (en) * | 2019-04-19 | 2021-09-03 | 中国航发沈阳发动机研究所 | Blade cutting device and contain test device that is used for aeroengine fan machine casket |
| CN111595546A (en) * | 2020-06-05 | 2020-08-28 | 中国航发沈阳发动机研究所 | Rotor blade fracture structure |
| US11939877B1 (en) | 2022-10-21 | 2024-03-26 | Pratt & Whitney Canada Corp. | Method and integrally bladed rotor for blade off testing |
| CN115950639B (en) * | 2023-03-09 | 2023-06-30 | 中国航发四川燃气涡轮研究院 | Dynamic stress test line switching method for disc separation fan rotor blade |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09195795A (en) * | 1996-01-16 | 1997-07-29 | Hitachi Ltd | Remaining life evaluation method for gas turbine stationary blade and device thereof |
| KR20000033804A (en) * | 1998-11-25 | 2000-06-15 | 토니헬샴 | Engine control simulation device and method thereof |
| EP1367226A1 (en) * | 2002-05-28 | 2003-12-03 | Snecma Moteurs | Method and system for damage detection of an aircraft engine rotor |
| WO2008036136A2 (en) * | 2006-06-01 | 2008-03-27 | Radatec, Inc. | Peak detection and clutter reduction for a microwave sensor |
| CN101526424A (en) * | 2008-03-06 | 2009-09-09 | 通用电气公司 | A system and a method for detecting gas turbine blade or aircraft engine blade problems in real time |
| CN101832296A (en) * | 2009-02-27 | 2010-09-15 | 通用电气公司 | Method, system and/or equipment about turbine blade monitoring |
| CN102112702A (en) * | 2008-08-06 | 2011-06-29 | 斯奈克玛 | Vibration damper device for turbomachine blade attachments, associated turbomachine and associated engines |
-
2012
- 2012-11-12 CN CN201210448993.XA patent/CN103808515B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09195795A (en) * | 1996-01-16 | 1997-07-29 | Hitachi Ltd | Remaining life evaluation method for gas turbine stationary blade and device thereof |
| KR20000033804A (en) * | 1998-11-25 | 2000-06-15 | 토니헬샴 | Engine control simulation device and method thereof |
| EP1367226A1 (en) * | 2002-05-28 | 2003-12-03 | Snecma Moteurs | Method and system for damage detection of an aircraft engine rotor |
| WO2008036136A2 (en) * | 2006-06-01 | 2008-03-27 | Radatec, Inc. | Peak detection and clutter reduction for a microwave sensor |
| CN101526424A (en) * | 2008-03-06 | 2009-09-09 | 通用电气公司 | A system and a method for detecting gas turbine blade or aircraft engine blade problems in real time |
| CN102112702A (en) * | 2008-08-06 | 2011-06-29 | 斯奈克玛 | Vibration damper device for turbomachine blade attachments, associated turbomachine and associated engines |
| CN101832296A (en) * | 2009-02-27 | 2010-09-15 | 通用电气公司 | Method, system and/or equipment about turbine blade monitoring |
Non-Patent Citations (3)
| Title |
|---|
| "美、英航空发动机部分特种地面试验简介";宋双杰 等;《大众科技》;20080131(第1期);第112-114页 * |
| "航空发动机叶片包容性试验技术初探";韩永强 等;《航空发动机》;20090630;第35卷(第3期);第51页第3.3.1节 * |
| "航空发动机涡轮叶片的包容试验和数值仿真";张伯熹;《中国优秀博硕士学位论文全文数据库（硕士） 工程科技Ⅱ辑》;20060915(第9期);第20页第3.4.2节 * |
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Address after: 200241 Minhang District Lianhua Road, Shanghai, No. 3998 Patentee after: China Hangfa commercial aviation engine limited liability company Address before: 201109 Shanghai city Minhang District Hongmei Road No. 5696 Room 101 Patentee before: AVIC Commercial Aircraft Engine Co.,Ltd. |