CN109117519A - A kind of analogy method of Oiltank structure transient state temperature field - Google Patents
A kind of analogy method of Oiltank structure transient state temperature field Download PDFInfo
- Publication number
- CN109117519A CN109117519A CN201810807247.2A CN201810807247A CN109117519A CN 109117519 A CN109117519 A CN 109117519A CN 201810807247 A CN201810807247 A CN 201810807247A CN 109117519 A CN109117519 A CN 109117519A
- Authority
- CN
- China
- Prior art keywords
- fuel oil
- unit
- quality unit
- oiltank structure
- air
- 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
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/17—Mechanical parametric or variational design
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2119/00—Details relating to the type or aim of the analysis or the optimisation
- G06F2119/08—Thermal analysis or thermal optimisation
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Geometry (AREA)
- General Physics & Mathematics (AREA)
- Evolutionary Computation (AREA)
- General Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Computational Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
A kind of analogy method of Oiltank structure transient state temperature field, firstly, establishing Oiltank structure model；Secondly, fuel oil, the air in Oiltank structure are reduced to multiple mass units, by the analysis to fuel consumption process, by fuel oil, air, spatially vertical direction is divided into multiple layers, and each layer includes fuel oil quality unit and air quality unit；Then the heat convection unit between fuel oil quality unit, air quality unit and Oiltank structure model three is established；Method of killing activating elements is finally applied, by control fuel oil quality unit, air quality unit and heat convection element death and alive, the consumption of fuel tank intermediate fuel oil is simulated and flows into process.
Description
Technical field
The present invention relates to aircraft Oiltank structure designing technique, in particular to a kind of simulation of Oiltank structure transient state temperature field
Method.
Background technique
Hypersonic aircraft Oiltank structure under Thermal Load, and causes Oiltank structure thermal deformation, due to internal each
Mutually constraint cannot achieve free wxpansion or contraction between part, will generate thermal stress.In the part area that temperature change is violent
Domain, thermal stress are even in same magnitude with mechanical stress, generate to the use function and structure safety of Oiltank structure obvious
Adverse effect.Therefore, it is necessary to which the temperature to hypersonic aircraft carries out strict control.
Existing CFD fluid analysis method is higher to the temperature field analysis precision of fluid, but in analysis change of fluid process
When analytical cycle it is long, low efficiency；Thermal network method analyzes fast speed, but simplifies excessively to structure, can not obtain Oiltank structure
Thermo parameters method.
Summary of the invention
The object of the present invention is to provide a kind of analogy methods of Oiltank structure transient state temperature field, with rapidly and efficiently simulation
Hypersonic aircraft enough temperature fields of fuel tank knot during fuel consumption or inflow.
The technical scheme is that
A kind of analogy method of Oiltank structure transient state temperature field, comprising the following steps:
Step 1 establishes Oiltank structure model；
Fuel oil, air in Oiltank structure is reduced to multiple mass units by step 2, by fuel consumption process
Analysis, is divided into multiple layers by vertical direction for fuel oil, air, each layer includes fuel oil quality unit and air quality list
Member；
Step 3 establishes the fuel oil quality list according to the distribution situation of the fuel oil quality unit and air quality unit
Heat convection unit between member, air quality unit and Oiltank structure model three, and changing for heat convection unit is set
Hot coefficient；
Step 4, using method of killing activating elements, pass through control fuel oil quality unit, air quality unit and heat convection unit
Life and death, simulate fuel tank intermediate fuel oil consumption process.
Preferably, determine that fuel oil divides the number of plies according to fuel consumption speed in step 1.2.
Preferably, the control fuel oil in step 1.4, air quality unit and heat convection element death and alive the specific steps are
The fuel oil of every one layer of consumption then kills this layer of fuel oil quality unit, while killing related to the fuel oil quality unit
Heat convection unit and upper one layer of air quality unit, and activate the fuel oil matter of this layer of air quality unit and next layer
Unit is measured, and activates associated heat convection unit.
Invention effect:
The analogy method of Oiltank structure transient state temperature field of the invention, in the vertical direction by fuel oil quality unit, air
Mass unit is divided into multiple layers, using method of killing activating elements, controls the life of fuel oil, air quality unit and heat convection unit
Extremely, process to simulate the consumption of fuel tank intermediate fuel oil and is flowed into this.
Detailed description of the invention
Fig. 1 is tank model heat exchange schematic diagram of the present invention；
Fig. 2 is air quality unit of the present invention, fuel oil quality cellular convection heat exchange schematic diagram.
Specific embodiment
To keep the purposes, technical schemes and advantages of the invention implemented clearer, below in conjunction in the embodiment of the present invention
Attached drawing, technical solution in the embodiment of the present invention is further described in more detail.In the accompanying drawings, identical from beginning to end or class
As label indicate same or similar element or element with the same or similar functions.Described embodiment is the present invention
A part of the embodiment, instead of all the embodiments.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to use
It is of the invention in explaining, and be not considered as limiting the invention.Based on the embodiments of the present invention, ordinary skill people
Member's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.Under
Face is described in detail the embodiment of the present invention in conjunction with attached drawing.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as protecting the present invention
The limitation of range.
The analogy method of Oiltank structure transient state temperature field of the present invention is further described in 1 and Fig. 2 with reference to the accompanying drawing.
The present invention provides a kind of analogy methods of Oiltank structure transient state temperature field, comprising the following steps:
The first step is to establish Oiltank structure according to fuel tank size shape, the parameters such as thickness and material and in conjunction with loading analysis
Model (4).
Second step is the mass unit that fuel oil, the air in Oiltank structure are reduced to multiple lumped parameters, and by pair
Fuel oil, air oil depletion rate are divided into multiple layers in vertical direction by the analysis of fuel consumption process, and each layer includes
Fuel oil quality unit (1) and air quality unit (2).
Third step is to establish the combustion according to the distribution situation of the fuel oil quality unit (1) and air quality unit (2)
Heat convection unit (3) between oil quality unit (1), air quality unit (2) and Oiltank structure model (4) three, packet
Include heat convection unit (3), fuel oil quality unit (1) and the fuel tank between fuel oil quality unit (1) and air quality unit (2)
Pair between heat convection unit (3) and air quality unit (2) and Oiltank structure model (4) between structural model (4)
It flows heat exchange unit (3), and the coefficient of heat transfer of heat convection unit (3) is set.Oiltank structure model (4) heat transfer process of the present invention is such as
Shown in Fig. 1, the schematic construction of air quality unit (2) of the present invention, fuel oil quality unit (1) and heat convection unit (3) is such as
Shown in Fig. 2.
4th step is to pass through control fuel oil quality unit (1), air quality unit (2) and convection current using method of killing activating elements
The life and death of heat exchange unit (3), simulates the consumption process of fuel tank intermediate fuel oil, and the fuel oil of every one layer of consumption then kills this layer of fuel oil matter
It measures unit (1), while killing heat convection unit (3) relevant to the fuel oil quality unit and upper one layer of air quality unit
(2), and the fuel oil quality unit (1) of this layer of air quality unit (2) and next layer is activated, and activates associated convection current
Heat exchange unit (3).
Further, fuel tank simulated experiment is carried out using above-mentioned analogy method, and applies Optimus parameter optimization software, according to
Inverse problem of parameter is carried out to uncertain convection transfer rate according to the result that the simulation of formation testing case is tested.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by those familiar with the art, all answers
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be with the scope of protection of the claims
It is quasi-.
Claims (3)
1. a kind of analogy method of Oiltank structure transient state temperature field, which comprises the following steps:
Step 1 establishes Oiltank structure model；
Fuel oil, air in Oiltank structure is reduced to multiple mass units by step 2, by the analysis to fuel consumption process,
By fuel oil, air, spatially vertical direction is divided into multiple layers, and each layer includes fuel oil quality unit and air quality unit；
Step 3 establishes fuel oil quality unit, air matter according to the distribution situation of the fuel oil quality unit and air quality unit
The heat convection unit between unit and Oiltank structure model three is measured, and the coefficient of heat transfer of heat convection unit is set；
Step 4, using method of killing activating elements, pass through the control fuel oil quality unit, air quality unit and heat convection unit
Life and death, simulate fuel tank intermediate fuel oil consumption and flow into process.
2. the analogy method of Oiltank structure transient state temperature field according to claim 1, which is characterized in that in step 2 according to
Fuel consumption speed determines that fuel oil divides the number of plies.
3. the analogy method of Oiltank structure transient state temperature field according to claim 1, which is characterized in that the control in step 4
Fuel oil quality unit, air quality unit and heat convection element death and alive processed the specific steps are
The fuel oil of every one layer of consumption then kills this layer of fuel oil quality unit, while kill is relevant right to the fuel oil quality unit
Heat exchange unit and upper one layer of air quality unit are flowed, and activates the fuel oil quality list of this layer of air quality unit and next layer
Member, and activate associated heat convection unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810807247.2A CN109117519B (en) | 2018-07-18 | 2018-07-18 | Method for simulating transient temperature field of oil tank structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810807247.2A CN109117519B (en) | 2018-07-18 | 2018-07-18 | Method for simulating transient temperature field of oil tank structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109117519A true CN109117519A (en) | 2019-01-01 |
| CN109117519B CN109117519B (en) | 2023-04-18 |
Family
ID=64863298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810807247.2A Active CN109117519B (en) | 2018-07-18 | 2018-07-18 | Method for simulating transient temperature field of oil tank structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109117519B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111241710A (en) * | 2020-02-19 | 2020-06-05 | 北京和隆优化科技股份有限公司 | Modeling method based on honeycomb ceramic heat accumulator heat exchange system |
| CN113353286A (en) * | 2021-06-11 | 2021-09-07 | 南京航空航天大学 | Thermal analysis method for multi-compartment oil tank of helicopter |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE784067A (en) * | 1971-05-28 | 1972-11-27 | Corning Glass Works | VITROCERAMIC BASED ON FLUOROMICA WITH STRONTIUM |
| US20030222176A1 (en) * | 2002-05-31 | 2003-12-04 | Garrigus Darryl F. | Aircraft surface ice inhibitor |
| JP2005006427A (en) * | 2003-06-12 | 2005-01-06 | Nippon Telegr & Teleph Corp <Ntt> | Power control/management system, server, handling method and handling program of server, and recording medium recorded with the program |
| US20110003357A1 (en) * | 2009-06-02 | 2011-01-06 | Prometheus Technologies, Llc | Conversion of algae to liquid methane, and associated systems and methods |
| CN102906555A (en) * | 2010-02-13 | 2013-01-30 | 麦卡利斯特技术有限责任公司 | Methods, devices, and systems for detecting properties of target samples |
| CN102968543A (en) * | 2012-12-13 | 2013-03-13 | 嘉善恩益迪电声技术服务有限公司 | Temperature characteristic value simulation method for speech coil and magnetic circuit of loudspeaker |
| CN103028589A (en) * | 2011-10-05 | 2013-04-10 | 许绍良 | Innocuous garbage and resource treatment method |
| CN104408237A (en) * | 2014-11-10 | 2015-03-11 | 南车株洲电力机车研究所有限公司 | Method and device for acquiring transient temperature field of motor |
| US9206388B1 (en) * | 2014-01-17 | 2015-12-08 | Ronny Collins | Process for a sustainable growth of algae in a bioreactor and for the extraction of a biofuel product |
| CN105205267A (en) * | 2015-09-24 | 2015-12-30 | 江西洪都航空工业集团有限责任公司 | Method for calculating load of wing integral fuel tank |
| CN105740577A (en) * | 2016-03-08 | 2016-07-06 | 南京航空航天大学 | Invar steel PMIG weaving welding temperature field and deformation simulation method |
| CN106285600A (en) * | 2016-08-11 | 2017-01-04 | 中国石油天然气集团公司 | Obtain the method and device of bottom hole temperature (BHT) field in oil gas fracturing yield increasing |
| CN106529096A (en) * | 2016-12-19 | 2017-03-22 | 中国航空工业集团公司沈阳飞机设计研究所 | Analyzing method for temperature field of integral fuel tank |
-
2018
- 2018-07-18 CN CN201810807247.2A patent/CN109117519B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE784067A (en) * | 1971-05-28 | 1972-11-27 | Corning Glass Works | VITROCERAMIC BASED ON FLUOROMICA WITH STRONTIUM |
| US20030222176A1 (en) * | 2002-05-31 | 2003-12-04 | Garrigus Darryl F. | Aircraft surface ice inhibitor |
| JP2005006427A (en) * | 2003-06-12 | 2005-01-06 | Nippon Telegr & Teleph Corp <Ntt> | Power control/management system, server, handling method and handling program of server, and recording medium recorded with the program |
| US20110003357A1 (en) * | 2009-06-02 | 2011-01-06 | Prometheus Technologies, Llc | Conversion of algae to liquid methane, and associated systems and methods |
| CN102906555A (en) * | 2010-02-13 | 2013-01-30 | 麦卡利斯特技术有限责任公司 | Methods, devices, and systems for detecting properties of target samples |
| CN103028589A (en) * | 2011-10-05 | 2013-04-10 | 许绍良 | Innocuous garbage and resource treatment method |
| CN102968543A (en) * | 2012-12-13 | 2013-03-13 | 嘉善恩益迪电声技术服务有限公司 | Temperature characteristic value simulation method for speech coil and magnetic circuit of loudspeaker |
| US9206388B1 (en) * | 2014-01-17 | 2015-12-08 | Ronny Collins | Process for a sustainable growth of algae in a bioreactor and for the extraction of a biofuel product |
| CN104408237A (en) * | 2014-11-10 | 2015-03-11 | 南车株洲电力机车研究所有限公司 | Method and device for acquiring transient temperature field of motor |
| CN105205267A (en) * | 2015-09-24 | 2015-12-30 | 江西洪都航空工业集团有限责任公司 | Method for calculating load of wing integral fuel tank |
| CN105740577A (en) * | 2016-03-08 | 2016-07-06 | 南京航空航天大学 | Invar steel PMIG weaving welding temperature field and deformation simulation method |
| CN106285600A (en) * | 2016-08-11 | 2017-01-04 | 中国石油天然气集团公司 | Obtain the method and device of bottom hole temperature (BHT) field in oil gas fracturing yield increasing |
| CN106529096A (en) * | 2016-12-19 | 2017-03-22 | 中国航空工业集团公司沈阳飞机设计研究所 | Analyzing method for temperature field of integral fuel tank |
Non-Patent Citations (4)
| Title |
|---|
| 万虹: "CPC高速钢复合轧辊连续铸造温度场有限元模拟及参数优化设计", 《优秀硕士学位论文全文数据库》 * |
| 刘辉平: "碳纤维复合材料雷电损伤特性研究", 《优秀硕士学位论文全文数据库》 * |
| 李鹏飞: "低排放燃烧室参数化反应器网络模型的研究", 《优秀硕士学位论文全文库》 * |
| 霍建勋: "高速公路隧道火灾温度场分布规律及安全性研究", 《优秀硕士学位论文全文数据库》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111241710A (en) * | 2020-02-19 | 2020-06-05 | 北京和隆优化科技股份有限公司 | Modeling method based on honeycomb ceramic heat accumulator heat exchange system |
| CN111241710B (en) * | 2020-02-19 | 2023-10-17 | 北京和隆优化科技股份有限公司 | Modeling method based on honeycomb ceramic heat accumulator heat exchange system |
| CN113353286A (en) * | 2021-06-11 | 2021-09-07 | 南京航空航天大学 | Thermal analysis method for multi-compartment oil tank of helicopter |
| CN113353286B (en) * | 2021-06-11 | 2022-06-17 | 南京航空航天大学 | Thermal analysis method for multi-compartment oil tank of helicopter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109117519B (en) | 2023-04-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Ba et al. | Multiple-relaxation-time color-gradient lattice Boltzmann model for simulating two-phase flows with high density ratio | |
| CN104573392B (en) | A kind of welding spot fatigue Forecasting Methodology | |
| CN109117519A (en) | A kind of analogy method of Oiltank structure transient state temperature field | |
| Chamkha et al. | Conjugate heat transfer in a porous cavity heated by a triangular thick wall | |
| CN109253940A (en) | A kind of experimental provision for turbo blade material heat fatigue | |
| Mahdaoui et al. | A numerical analysis of solid–liquid phase change heat transfer around a horizontal cylinder | |
| CN105868434A (en) | Method for simulating heat and mass transfer of reinforcement phase and melt interface in laser 3D printing composite material molten pool | |
| Waters et al. | Multiphase AGN winds from x-ray-irradiated disk atmospheres | |
| CN103914587B (en) | Field-programmable gate array (FPGA) layout method based on simulated annealing/tempering | |
| CN108256689A (en) | A kind of neural network prediction method of non-crystaline amorphous metal thermoplastic forming performance | |
| Schwamborn et al. | ATAAC–An EU-project dedicated to hybrid RANS/LES methods | |
| D’Avino et al. | Numerical simulations on the dynamics of a particle pair in a viscoelastic fluid in a microchannel: effect of rheology, particle shape, and confinement | |
| Dong et al. | Stress distribution and fatigue crack propagation analyses in welded joints | |
| Li et al. | An improved moving‐least‐squares reconstruction for immersed boundary method | |
| Sharma et al. | Evolution of disturbances due to distributed surface roughness in laminar boundary layers | |
| CN104504212A (en) | Method for predicting heat protection performance of fabric | |
| CN103175732B (en) | Test bed for simulating thermal fatigue phenomenon of nuclear power station pipeline | |
| Mironov et al. | Impact of frontal-porous-insert temperature on the cylinder drag in supersonic flow | |
| Guion | Modeling and simulation of liquid microlayer formation and evaporation in nucleate boiling using computational fluid dynamics | |
| Li et al. | Model for pressure drop and flow deflection in the numerical simulation of stents in aneurysms | |
| CN108446414A (en) | A kind of backward-predicted method by 3D printing porous structure random defect | |
| Jabbar et al. | A computational study of vortex rings interacting with a constant-temperature heated wall | |
| Mahfouz | Numerical simulation of free convection within an eccentric annulus filled with micropolar fluid using spectral method | |
| Sun et al. | LES of convective heat transfer and incompressible fluid flow past a square cylinder | |
| CN106529096A (en) | Analyzing method for temperature field of integral fuel tank |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |