CN106323607A - Engine cylinder cap heat machine fatigue testing device and method - Google Patents
Engine cylinder cap heat machine fatigue testing device and method Download PDFInfo
- Publication number
- CN106323607A CN106323607A CN201610628068.3A CN201610628068A CN106323607A CN 106323607 A CN106323607 A CN 106323607A CN 201610628068 A CN201610628068 A CN 201610628068A CN 106323607 A CN106323607 A CN 106323607A
- Authority
- CN
- China
- Prior art keywords
- cylinder cap
- test
- tin
- heat
- lead alloy
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Testing Of Engines (AREA)
Abstract
The invention provides an engine cylinder cap heat machine fatigue testing method comprising the following steps: a control system is used for controlling an induction wire coil to heat a tin-lead alloy to reach a molten condition, heat of the tin-lead alloy is uniformly transmitted onto a thermal power face of a test cylinder cap to conduct a heat load test, a hydraulic servo system is used for transmitting oil liquid pressure onto the tin-lead alloy in the molten condition via a touch piston, the oil liquid pressure is further uploaded onto the thermal power face of the test cylinder cap, and explosion pressure inside a cylinder can be simulated in different working conditions. According to the engine cylinder cap heat machine fatigue testing method, a tin-lead alloy heating mode is adopted for heating the tin-lead alloy to reach the molten condition via the induction wire coil, the heat of the tin-lead alloy can be uniformly transmitted to the thermal power face of the cylinder cap, temperature of the induction wire coil can be controlled via the control system, the hydraulic servo system is used for an uploading purpose, the oil liquid pressure is transmitted onto the tin-lead alloy in the molten condition via the touch piston, a thermal load and a mechanical load can be enabled to jointly applied to the thermal power face of the cylinder cap, and a stress state of the cylinder cap in actual conditions can be reflected in a real way.
Description
Technical field
The invention belongs to send out thing parts experimental technique field, especially relate to a kind of engine cylinder cap heat engine fatigue examination
Test method and device.
Background technology
Cylinder head is one of kernel component of electromotor, its work quality be directly connected to electromotor overall performance and
Functional reliability, therefore increasing research worker is devoted to design and the improvement of cylinder head.Cylinder head is subjected to spiral shell
The Static behaviors such as bolt pretightning force, also suffer from the periodicity Under Dynamic Load of thermal stress and mechanical stress simultaneously, and cylinder cap is at stress collection
Middle place is easily generated fatigue crack.And the fatigue rupture brought by heat engine fatigue is often the main cause of its operational failure.Cylinder
Lid fire power face and cylinder sleeve, piston-top surface collectively constitute combustor, and cylinder cap is at work due to thermal stress with mechanical stress repeatedly
Effect often can form fatigue crack in fire power face, in order to assessment cylinder cap heat engine fatigue strength accurately, it is necessary to it
Carry out heat engine fatigue test.
The fatigue test of present stage cylinder cap is broadly divided into thermal fatigue test and mechanical fatigue test two kinds.Cylinder cap heat exhaustion is tried
Testing platform, the mode of heating of employing is broadly divided into: (I) LASER HEATING: this kind of mode of heating utilizes and turn mating plate to cylinder cap fire power face
Heating, heating cycle is short, and heat energy is big, but is excited the leading of light beam translational speed, power density, spot size and material
The impact of the factors such as hot property, and experimentation cost is high, maintenance of equipment difficulty is bigger；(II) Electromagnetic Heating: though this kind of mode of heating
The advantage so with fast response time, but have that inertia is big, disturb shortcoming strong, nonlinear, and cast iron class part can only be added
Heat, the most inapplicable to aluminium alloy class part.(III) flame heating: this kind of mode of heating with fuel gas (such as liquefied gas, sky
So gas etc.) it is combustion medium, equipment is simple, easy to use, but there is potential safety hazard, the heat distribution caused because of gas leakage
Control difficult, that the fuel stage of replacement is short etc. is many constant.Existing cylinder head height week, mechanical fatigue test device substantially watched with hydraulic pressure
It is main for taking fatigue test system, and cylinder head testpieces is fastened by bolts on false body, cylinder head, valve, head gasket and vacation
Body collectively forms a sealed volume space, and this volume is connected with Hydrauservo System oil circuit, changing by hydraulic fluid pressure
Become the active force carrying out Simulated gas muscle power to cylinder cap.
But present stage also lack heat engine fatigue experimental device that thermal force and mechanical load act on cylinder cap jointly and
Method, (current this list) does the test method of heat exhaustion or mechanical fatigue and certainly will cause (the stress simulation) of cylinder cap can not
The real complete machine duty reflecting engine cylinder cap, result of the test tends not to directly tired strong to the heat engine of cylinder head
Degree is estimated.
Summary of the invention
In view of this, it is contemplated that propose a kind of engine cylinder cap heat engine fatigue test method, it is possible to by thermal force
Jointly act in cylinder cap fire power face with mechanical load, the most truly reflection cylinder cap force-bearing situation under virtual condition.
For reaching above-mentioned purpose, the technical scheme is that and be achieved in that:
A kind of engine cylinder cap heat engine fatigue test method, including following content:
Use control system to control induction coil and leypewter is heated to molten condition, by the transmission test of its even heat
Thermal load test is realized in the fire power face of cylinder cap；
Use Hydrauservo System to be delivered on the leypewter under molten condition by touching piston by oil liquid pressure, enter
One step is loaded in the fire power face of test cylinder cap, explosion pressure in cylinder under the different operating mode of simulation；
Use chiller that the cooling water in the cooling water cavity of test cylinder cap is cooled down, and by flow control valve control
System flows through the flow of cooling water cavity.
Relative to prior art, the method for the invention has the advantage that
(1) mode that the present invention uses tin-lead leypewter to heat is heated to molten by induction coil terne metal
State, passes to cylinder cap fire power face by its even heat, can answer coil temperature by control system Perceived control, such that it is able to simulation is not
With the thermic load of cylinder cap under operating mode；Meanwhile, use Hydrauservo System to load, be delivered to melt by touching piston by oil liquid pressure
Melt on the leypewter under state, be loaded into further in cylinder cap fire power face, explosion pressure in cylinder can be simulated under different operating mode；
Jointly can act in cylinder cap fire power face by thermal force and mechanical load, reflection cylinder cap is under virtual condition the most truly
Force-bearing situation.
(2) present invention is additionally provided with cooling system, cooling water is injected Cooling of Cylinder Head water cavity, thus simulates complete machine duty
Cooling in lower cylinder cap.
Another object of the present invention is to propose a kind of engine cylinder cap heat engine fatigue experimental device, it is possible to by thermal force
Jointly act in cylinder cap fire power face with mechanical load, the most truly reflection cylinder cap force-bearing situation under virtual condition.
For reaching above-mentioned purpose, the technical scheme is that and be achieved in that:
A kind of engine cylinder cap heat engine fatigue experimental device, including mechanical load system, hot loading system and cooling system
System,
Described hot loading system includes temperature control equipment, induction coil, leypewter medium and thermocouple, described sensing
Coil and thermocouple are assemblied in leypewter medium inner chamber, and described induction coil is wired to one end of thermocouple
On temperature control equipment；
Described mechanical load system includes touching piston, nonstandard body, graphite grazing pad, pressure transducer, equipped with described
The piston that touches of graphite grazing pad is assembled in the inner chamber of nonstandard body, and the upper surface of described nonstandard body is used for passing through head gasket
Assembling test cylinder cap, and fixed by cylinder bolt；Described leypewter Filled Dielectrics is touching the nonstandard body of top land
Inner chamber in, described nonstandard body lower end is provided with the hydraulic pressure oilhole being connected with external hydraulic servosystem, described shake-up piston 4
Bottom be provided with pressure transducer 7；
Described cooling system mainly chiller 12 and flow control valve 13 by being connected by pipeline is formed.
Further, described shake-up piston 4 is cylindric, and its material is steel.
Described device is identical relative to prior art have the advantage that with said method, does not repeats them here.
Accompanying drawing explanation
The accompanying drawing of the part constituting the present invention is used for providing a further understanding of the present invention, and the present invention's is schematic real
Execute example and illustrate for explaining the present invention, being not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of engine cylinder cap heat engine fatigue experimental device described in the embodiment of the present invention.
Fig. 2 is the structure principle chart of hot loading system described in the embodiment of the present invention；
Fig. 3 is engine cylinder cap heat engine fatigue experimental device fundamental diagram described in the embodiment of the present invention.
Description of reference numerals:
1-tests cylinder cap；2-cylinder bolt；3-head gasket；4-touches piston；The nonstandard body of 5-；6-graphite grazing pad；7-
Pressure transducer；8-temperature control equipment；9-induction coil；10-leypewter medium；11-thermocouple；12-chiller；
13-flow control valve.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in the present invention and the feature in embodiment can phases
Combination mutually.
Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
Inventive engine cylinder head heat engine fatigue test method, including following content:
Use control system to control induction coil and leypewter is heated to molten condition, by the transmission test of its even heat
Thermal load test is realized in the fire power face of cylinder cap；
Use Hydrauservo System to be delivered on the leypewter under molten condition by touching piston by oil liquid pressure, enter
One step is loaded in the fire power face of test cylinder cap, explosion pressure in cylinder under the different operating mode of simulation；
Use chiller that the cooling water in the cooling water cavity of test cylinder cap is cooled down, and by flow control valve control
System flows through the flow of cooling water cavity.
Inventive engine cylinder head heat engine fatigue experimental device, as it is shown in figure 1, include that mechanical load system, heat load
System and cooling system,
As in figure 2 it is shown, described hot loading system includes temperature control equipment 8, induction coil 9, leypewter medium 10 and
Thermocouple 11, described leypewter medium 10 is hollow-core construction, and described induction coil 9 and thermocouple 11 are assemblied in leypewter and are situated between
In matter 10 inner chamber, as in figure 2 it is shown, one end of described induction coil 9 and thermocouple 11 is wired to leypewter medium
On temperature control equipment 8 outside 10；
Described mechanical load system includes touching piston 4, nonstandard body 5, graphite grazing pad 6, pressure transducer 7, equipped with
The piston 4 that touches of described graphite grazing pad 6 is assembled in the inner chamber of nonstandard body 5, and the upper surface of described nonstandard body 5 passes through gas
Cylinder pad 3 assembling test cylinder cap 1, and fixed by cylinder bolt 2；Described leypewter medium 10 is filled in test cylinder cap 1, touches
In the cavity that piston 4 and nonstandard body 5 collectively constitute, the hydraulic pressure oilhole of described nonstandard body 5 lower end and external hydraulic servo system
System is connected；The bottom of described shake-up piston 4 arranges pressure transducer 7, can understand shake-up in real time by pressure transducer 7 and live
The oil liquid pressure size of the external hydraulic servosystem that plug 4 is subject to.
Described cooling system mainly chiller 12 and flow control valve 13 by being connected by pipeline is formed, described cooling
The other end of device 12 and flow control valve 13 respectively by cooling water pipe be connected in series to test cylinder cap 1 cooling water cavity entrance with
Outlet, forms closed-loop path.
Described shake-up piston 4 is cylindric, and its material is steel.
Described chiller 12 is cooler.
As it is shown on figure 3, cylinder cap heat engine fatigue experimental device work process of the present invention is as follows:
First, test cylinder cap 1 and head gasket are filled by cylinder bolt according to the pretightning force of complete machine state with nonstandard body
Fit over together.
During test, first pass through temperature control equipment 8 and control the temperature of induction coil 9 leypewter medium 10 is heated also
Regulation temperature, temperature control equipment 8 gathers the temperature of induction coil 9 by thermocouple 11, makes the fire power face of test cylinder cap 1 reach
Predetermined temperature, now heat will be delivered evenly to the fire power face of test cylinder cap 1 by leypewter medium 10 under molten condition；
After temperature reaches to stablize, start Hydrauservo System and oil pressure is passed through according to default amplitude the oil of nonstandard body 5
Hole is loaded into the bottom touching piston 4, and such oil liquid pressure will be transmitted by shake-up piston 4 and leypewter medium 10 further
Fire power face to test cylinder cap 1；Start cooling system simultaneously, make cooling water be entered by chiller 12 and flow control valve 13
Realizing testing the circulating cooling of cylinder cap 1 to testing the water cavity import of cylinder cap 1, user can be by controlling flow control valve 13
Control cooling water flow.Process of the test can be carried out monitoring test state by observing pressure and displacement waveform and judge to test cylinder cap
Whether 1 reach fatigue limit.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Within god and principle, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (3)
1. an engine cylinder cap heat engine fatigue test method, it is characterised in that include following content:
Use control system to control induction coil and leypewter is heated to molten condition, by its even heat transmission test cylinder cap
Fire power face on realize thermal load test；
Hydrauservo System is used to be delivered on the leypewter under molten condition, further by touching piston by oil liquid pressure
It is loaded in the fire power face of test cylinder cap, explosion pressure in cylinder under the different operating mode of simulation；
Use chiller that the cooling water in the cooling water cavity of test cylinder cap is cooled down, and control stream by flow control valve
The flow of cooled water cavity.
2. an engine cylinder cap heat engine fatigue experimental device, it is characterised in that: include mechanical load system, hot loading system
And cooling system,
Described hot loading system includes temperature control equipment, induction coil, leypewter medium and thermocouple, described induction coil
Being assemblied in leypewter medium inner chamber with thermocouple, described induction coil is wired to temperature with one end of thermocouple
Control on device；
Described mechanical load system includes touching piston, nonstandard body, graphite grazing pad, pressure transducer, equipped with described graphite
The piston that touches of sealing gasket is assembled in the inner chamber of nonstandard body, and the upper surface of described nonstandard body is used for being assembled by head gasket
Test cylinder cap, and fixed by cylinder bolt；Described leypewter Filled Dielectrics is in the nonstandard body touching top land
In chamber, described nonstandard body lower end is provided with the hydraulic pressure oilhole being connected with external hydraulic servosystem, the end of described shake-up piston 4
Portion is provided with pressure transducer 7；
Described cooling system mainly chiller 12 and flow control valve 13 by being connected by pipeline is formed.
Engine cylinder cap heat engine fatigue experimental device the most according to claim 2, it is characterised in that: described shake-up piston
4 is cylindric, and its material is steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610628068.3A CN106323607B (en) | 2016-07-29 | 2016-07-29 | A kind of engine cylinder cap heat engine fatigue experimental device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610628068.3A CN106323607B (en) | 2016-07-29 | 2016-07-29 | A kind of engine cylinder cap heat engine fatigue experimental device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106323607A true CN106323607A (en) | 2017-01-11 |
| CN106323607B CN106323607B (en) | 2019-02-01 |
Family
ID=57739866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610628068.3A Active CN106323607B (en) | 2016-07-29 | 2016-07-29 | A kind of engine cylinder cap heat engine fatigue experimental device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106323607B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106769151A (en) * | 2017-01-05 | 2017-05-31 | 江苏大学 | A kind of engine cylinder head system non-uniform heating experimental provision |
| CN107091734A (en) * | 2017-05-04 | 2017-08-25 | 中国北方发动机研究所(天津) | A kind of cylinder head thermal fatigue test apparatus |
| CN107401534A (en) * | 2017-07-13 | 2017-11-28 | 江西洪都航空工业集团有限责任公司 | With the load combined fatigue experimental device of pressurized strut heat of normal temperature fluid driving |
| CN107560861A (en) * | 2017-10-20 | 2018-01-09 | 安徽工程大学 | A kind of double friction pair composite analogy experimental systems of valve actuating mechanism |
| CN107741326A (en) * | 2017-11-13 | 2018-02-27 | 十堰深思科技有限公司 | Engine cylinder cover thermal fatigue test apparatus |
| CN107860785A (en) * | 2017-12-08 | 2018-03-30 | 广西玉柴机器股份有限公司 | A kind of quick thermal fatigue test method of engine cylinder cap and device |
| CN107941483A (en) * | 2017-09-30 | 2018-04-20 | 中国北方发动机研究所(天津) | A kind of engine intricate casting performance assessing zonings method |
| CN109060578A (en) * | 2018-09-06 | 2018-12-21 | 潍坊思博精工科技有限公司 | A kind of diesel engine cylinder head heat fatigue test device |
| CN110849600A (en) * | 2019-10-14 | 2020-02-28 | 中国北方发动机研究所(天津) | Device for carrying out piston pin hole thermal engine fatigue test by using high-frequency testing machine |
| CN113790898A (en) * | 2021-09-14 | 2021-12-14 | 潍柴动力股份有限公司 | Detection device and detection method for cooling efficiency of cold oil duct in piston |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR950013301B1 (en) * | 1989-08-29 | 1995-11-02 | 몬투페트 | Mechanical fatigue tesing bench for cylinder heads of engines |
| JP2001208651A (en) * | 2000-01-28 | 2001-08-03 | Toyota Motor Corp | Method and apparatus for conducting thermal fatigue test for single cylinder head |
| CN101793606A (en) * | 2010-03-30 | 2010-08-04 | 山东大学 | Machine-heating load fatigue test device of engine cylinder head |
| CN102866007A (en) * | 2012-09-20 | 2013-01-09 | 潍柴动力股份有限公司 | Cylinder head fatigue test device and method |
| CN202693437U (en) * | 2012-06-19 | 2013-01-23 | 浙江大学 | Cylinder cover heat shock test bed with pre-tightening force being considered |
| CN103792076A (en) * | 2014-01-17 | 2014-05-14 | 昆明理工大学 | Simulator test bed for thermal shock and thermal fatigue of parts affected by heat |
| CN104792632A (en) * | 2015-03-26 | 2015-07-22 | 北京理工大学 | Fatigue test method of cylinder cover simulating test specimen |
-
2016
- 2016-07-29 CN CN201610628068.3A patent/CN106323607B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR950013301B1 (en) * | 1989-08-29 | 1995-11-02 | 몬투페트 | Mechanical fatigue tesing bench for cylinder heads of engines |
| JP2001208651A (en) * | 2000-01-28 | 2001-08-03 | Toyota Motor Corp | Method and apparatus for conducting thermal fatigue test for single cylinder head |
| CN101793606A (en) * | 2010-03-30 | 2010-08-04 | 山东大学 | Machine-heating load fatigue test device of engine cylinder head |
| CN202693437U (en) * | 2012-06-19 | 2013-01-23 | 浙江大学 | Cylinder cover heat shock test bed with pre-tightening force being considered |
| CN102866007A (en) * | 2012-09-20 | 2013-01-09 | 潍柴动力股份有限公司 | Cylinder head fatigue test device and method |
| CN103792076A (en) * | 2014-01-17 | 2014-05-14 | 昆明理工大学 | Simulator test bed for thermal shock and thermal fatigue of parts affected by heat |
| CN104792632A (en) * | 2015-03-26 | 2015-07-22 | 北京理工大学 | Fatigue test method of cylinder cover simulating test specimen |
Non-Patent Citations (4)
| Title |
|---|
| 张帆: "整体汽缸盖疲劳试验研究", 《兵工学报(坦克装甲车与发动机分册)》 * |
| 李洪民 等: "内燃机受热部件热疲劳模拟试验台的研究与开发", 《小型内燃机与摩托车》 * |
| 王福民: "《内燃机零部件试验》", 31 January 1991, 天津科学技术出版社 * |
| 臧权同: "柴油机零部件热疲劳试验台综述", 《内燃机车》 * |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106769151A (en) * | 2017-01-05 | 2017-05-31 | 江苏大学 | A kind of engine cylinder head system non-uniform heating experimental provision |
| CN107091734A (en) * | 2017-05-04 | 2017-08-25 | 中国北方发动机研究所(天津) | A kind of cylinder head thermal fatigue test apparatus |
| CN107401534A (en) * | 2017-07-13 | 2017-11-28 | 江西洪都航空工业集团有限责任公司 | With the load combined fatigue experimental device of pressurized strut heat of normal temperature fluid driving |
| CN107401534B (en) * | 2017-07-13 | 2019-03-01 | 江西洪都航空工业集团有限责任公司 | With the load combined fatigue experimental device of pressurized strut heat of room temperature oil liquid driving |
| CN107941483A (en) * | 2017-09-30 | 2018-04-20 | 中国北方发动机研究所(天津) | A kind of engine intricate casting performance assessing zonings method |
| CN107560861A (en) * | 2017-10-20 | 2018-01-09 | 安徽工程大学 | A kind of double friction pair composite analogy experimental systems of valve actuating mechanism |
| CN107741326A (en) * | 2017-11-13 | 2018-02-27 | 十堰深思科技有限公司 | Engine cylinder cover thermal fatigue test apparatus |
| CN107860785A (en) * | 2017-12-08 | 2018-03-30 | 广西玉柴机器股份有限公司 | A kind of quick thermal fatigue test method of engine cylinder cap and device |
| CN109060578A (en) * | 2018-09-06 | 2018-12-21 | 潍坊思博精工科技有限公司 | A kind of diesel engine cylinder head heat fatigue test device |
| CN109060578B (en) * | 2018-09-06 | 2023-10-27 | 潍坊思博精工科技有限公司 | Thermal fatigue testing device for cylinder cover of diesel engine |
| CN110849600A (en) * | 2019-10-14 | 2020-02-28 | 中国北方发动机研究所(天津) | Device for carrying out piston pin hole thermal engine fatigue test by using high-frequency testing machine |
| CN113790898A (en) * | 2021-09-14 | 2021-12-14 | 潍柴动力股份有限公司 | Detection device and detection method for cooling efficiency of cold oil duct in piston |
| CN113790898B (en) * | 2021-09-14 | 2024-05-17 | 潍柴动力股份有限公司 | Detection device and detection method for cooling efficiency of piston inner cooling oil duct |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106323607B (en) | 2019-02-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106323607A (en) | Engine cylinder cap heat machine fatigue testing device and method | |
| Baert et al. | Design and operation of a high pressure, high temperature cell for HD diesel spray diagnostics: guidelines and results | |
| CN105300807B (en) | A kind of high temperature true triaxial Rock experiment machine | |
| CN103234739A (en) | Apparatus and method for testing thermal fatigue of cylinder covers | |
| CN101424666A (en) | Method and apparatus for testing and evaluating machine components under simulated in-situ thermal operating conditions | |
| CN107941516A (en) | Laser heats Piston Thermal Fatigue Test system and test method | |
| CN109030245B (en) | Oil storage tank experiment platform and control method thereof | |
| CN206270190U (en) | Reciprocating machine piston-ring friction abrasion test device | |
| CN103994879A (en) | Piston thermal fatigue test apparatus | |
| CN107091734A (en) | A kind of cylinder head thermal fatigue test apparatus | |
| Guibert et al. | An experimental investigation of the turbulence effect on the combustion propagation in a rapid compression machine | |
| Morones et al. | Validation of a new turbulent flame speed facility for the study of gas turbine fuel blends at elevated pressure | |
| CN109580228B (en) | Cold test run test system for solid rocket engine | |
| CN105021472A (en) | Stream corrosion fatigue test system | |
| CN107860785A (en) | A kind of quick thermal fatigue test method of engine cylinder cap and device | |
| CN104266967B (en) | A kind of miniature CONSTANT VOLUME MODEL COMBUSTION CHAMBER of slit | |
| CN105157975B (en) | The method that ring axial compression displacement deflection is obturaged in control and measurement | |
| CN203298979U (en) | Apparatus for testing thermal fatigue of cylinder cover | |
| CN109357956A (en) | A kind of high-temperature fuel gas corrosion fatigue testing system | |
| CN207763958U (en) | Laser heats Piston Thermal Fatigue Test system | |
| CN203231943U (en) | Experimental apparatus for high-temperature and high-pressure component damage and failure process | |
| CN112924179B (en) | Novel labyrinth seal structure and pull rod sealing system | |
| CN115144128A (en) | Measurement and control system and method for leakage characteristic evaluation of spacecraft porous sealing material | |
| CN105067269B (en) | A kind of piston testing apparatus | |
| CN103217340B (en) | High-temperature high-pressure part damage and failure procedure experimental provision |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |