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2014 Vol. 40, No. 12

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Volume 40 Issue122014
2014 Year 40 Volume 12 Issue E-journal
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Requirement from maximum rate of climbing of aircraft service ceiling to turbocharged reciprocating engine
Xu Bin, Tan Longxing, Yang Shichun, Ji Fenzhu
2014, 40(12): 1643-1647. doi: 10.13700/j.bh.1001-5965.2013.0746
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A wide operating range of engine is of vital to the safety operation of aircraft, especially at service ceiling. Through the dynamic analysis of the matching process between the aircraft and power plant which is composed of the turbocharged reciprocating engine and propeller, quantitative performanc...
Optimal design for thermal insulation layers of energy-storage sodium-sulfur batteries
Zhang Jianping, Han Yi, Liu Yu, Zhu Qunzhi
2014, 40(12): 1648-1653. doi: 10.13700/j.bh.1001-5965.2013.0758
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In order to solve the problems of over large thickness, short life, poor reliability of non-vacuum thermal insulation structure for sodium-sulfur battery, the mathematical model was established by thermal conductivity theory of multi-level insulation layer structure, solid modeling and numerical sim...
Effective multi-objective optimization for aerodynamic and stealthy performance of tactical missiles
Liu Li, Jiang Menglong, Long Teng, Wu Di, Huang Bo
2014, 40(12): 1654-1659. doi: 10.13700/j.bh.1001-5965.2013.0753
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A new effective multi-objective optimization method was employed to solve the aerodynamic and stealthy performance optimization of tactical missile problem. Physical programming was selected to translate the multi-objective problem into the single objective problem. Genetic algorithm (GA) was applie...
Numerical analysis of influence factors on stability for dual-stage gas pressure reducing regulator
Sun Bing, Xu Qi, Chen Yang, Wei Lijun
2014, 40(12): 1660-1665. doi: 10.13700/j.bh.1001-5965.2014.0012
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A numerical model of a dual-stage gas pressure reducing regulator, which is used in an aircraft pressurization system, was established on the basis of finite volume transient model of single-stage gas pressure reducing regulator. A modularization simulation model was also set up for performance stud...
MPC based static aeroelastic numerical method for high aspect ratio wing
Huang Wei, Lu Zhiliang, Tang Di, Guo Tongqing
2014, 40(12): 1666-1671. doi: 10.13700/j.bh.1001-5965.2014.0015
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The steady aerodynamic loads were calculated with N-S equations and the multi-block structured grid technique was used to improve the computational efficiency. A beam model was applied to a high aspect ratio wing, and its structural deformations were evaluated by the finite element method with or wi...
Analysis on power line harmonic radiation in China space
Wu Jing, Zhang Chong, Fu Jingjing, Ma Qishuang
2014, 40(12): 1672-1677. doi: 10.13700/j.bh.1001-5965.2013.0759
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A method was studied to detect power line harmonic radiation (PLHR) events using electromagnetic field data of DEMETER satellite and the characteristics of PLHR events in China space were discussed. All the satellite electric field strength data in China space during the 6 years between 2005 and 201...
Foreign object debris detection for airport runway with video data
Chen Weishi, Li Jing
2014, 40(12): 1678-1684. doi: 10.13700/j.bh.1001-5965.2013.0762
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Foreign object debris (FOD) detection algorithm was proposed for airport runway with video data, including four steps of geometric adjustment, background subtraction, noise suppression and camouflage elimination. Firstly, geometric adjustment rejected the image change due to slight camera motion. In...
Life cycle assessment of pneumatic and electric actuators based on Simapro
Zhang Yeming, Cai Maolin
2014, 40(12): 1685-1690. doi: 10.13700/j.bh.1001-5965.2013.0767
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In the similar mechanical performance and working condition cases,life cycle assessment (LCA) of three groups of pneumatic actuators and electric actuators was carried on in order to analyze the extent of environmental impact of the actuators. The main environmental impact assessment factors of pneu...
Numerical investigation about field characteristics of screen
Cong Chenghua, Liao Daxiong
2014, 40(12): 1691-1696. doi: 10.13700/j.bh.1001-5965.2014.0018
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There is no reasonable path to evaluate screen performance accurately based on conventional method, such as the experiential formula and engineering correlations technology. Computational fluid dynamics (CFD) with proper boundary conditions was used to find screen performance of different parameters...
Geographic load aware routing algorithm for highly dynamic airborne networks
Liu Zhi, Xu Zhen
2014, 40(12): 1697-1701. doi: 10.13700/j.bh.1001-5965.2013.0747
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Due to the high mobility of the aerial vehicle nodes, dynamic changes of the topology structure and the time-varying node trajectories, highly dynamic airborne networks (HDAN) suffer problems such as low data delivery ratio, high data congestion potential and poor stability. In order to address thes...
Object recognition based on background attributes
Luo Jianwei, Jiang Zhiguo
2014, 40(12): 1702-1706. doi: 10.13700/j.bh.1001-5965.2013.0750
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Attribute is the semantic description of an image, which denotes the existence or absence of a semantic property of the image, and it can not only be shape, material, part, category or functionality of an object, but also be label or context of a scene. To improve the accuracy of object classificati...
Algorithm of asynchronous sensors bias estimation in networked targeting
Yong Xiaoju, Fang Yangwang, Zhang Dengfu, Diao Xinghua
2014, 40(12): 1707-1712. doi: 10.13700/j.bh.1001-5965.2013.0768
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Aimed at the problem that the algorithm of asynchronous sensors bias estimation cannot adapt to the maneuver targets, a novel algorithm based on the interpolation was researched. Firstly, the measurement was changed into synchronization data by using the time registration method. Then, the pseudo me...
Pilot visual attention allocation modeling based on spatial mapping
Wu Xu, Wanyan Xiaoru, Zhuang Damin
2014, 40(12): 1713-1718. doi: 10.13700/j.bh.1001-5965.2014.0001
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To investigate pilot visual attention allocation, salient-expectancy-effort-value (SEEV) model and multiple factor model were applied to introduce the concept of attention control space and resource allocation space. The former space described the influencing factors of attention allocation while th...
Progressive failure analysis and crashworthiness experiment for composite structural discreteness
Luo Haibo, Yan Ying, Meng Xiangji, Liang Zudian, Hou Kang, Gong Shaobo
2014, 40(12): 1719-1724. doi: 10.13700/j.bh.1001-5965.2014.0008
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The experimental crashworthiness research on energy-absorbing discrete structures of composite was carried out. The corresponding energy absorption load-displacement curves, the average load, the peak load and the total energy-absorbing parameters were all obtained. Considering the anisotropic const...
Influence analysis on grid scale limiter of XY-SAS model
Zheng Weilin, Yan Chao
2014, 40(12): 1725-1729. doi: 10.13700/j.bh.1001-5965.2013.0742
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The Xu & Yan scale adaptive simulation (XY-SAS) model is based on the introduction of the von Karman length scale into the destruction term of spalart-allmaras (SA) turbulence model, which results in a large eddy simulation (LES)-like behavior in unsteady regions of the flowfield without explici...
Experimental investigation of biomimetic robotic fish actuated by IPMC
Shen Qi, Han Chenhao, Wang Tianmiao, Liang Jianhong
2014, 40(12): 1730-1735. doi: 10.13700/j.bh.1001-5965.2013.0748
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The thrust efficiency of a biomimetic robotic fish was experimentally measured, which was propelled by an ionic polymer-metal composite (IPMC) actuator. In order to test the thrust performance of the robotic fish, a novel experimental apparatus was developed for hydrodynamic experiments. Under a ser...
Nonlinear robust control of valve controlled electro-hydraulic position servo system
Wang Chengwen, Shang Yaoxing, Jiao Zongxia, Han Songshan
2014, 40(12): 1736-1740. doi: 10.13700/j.bh.1001-5965.2013.0752
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To deal with the problem of flow nonlinearity and parametric uncertainties of valve controlled hydraulic position servo system, a nonlinear robust controller was developed based on the Back-Stepping design method. The mathematic model of the valve controlled system was developed, and the nonlinear r...
Effects of different ambient temperatures on performance of electric vehicles' heat pump air conditioning
Peng Fazhan, Wei Mingshan, Huang Haisheng, Zhang Hong
2014, 40(12): 1741-1746. doi: 10.13700/j.bh.1001-5965.2013.0754
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A heat pump air conditioning experimental system for electric vehicles based on the vapor-compression cycle was designed because much energy was consumed for the electric vehicle air conditioning under the heating mode when the ambient temperature was low. The refrigerant temperature and pressure in...
Reliability-redundancy optimization and allocation of voting system under cost constraint
Liu Zhijun, Gao Yakui, Zhang Weiguo
2014, 40(12): 1747-1753. doi: 10.13700/j.bh.1001-5965.2013.0765
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Voting-redundancy structure was adopted in a system to maximize the system reliability under the cost constraint. With the combination of the augmented Lagrangian multiplier method and the fish swarm algorithm, a hybrid method was employed to optimize and allocate the system reliability and redundan...
Analysis of the effect of mass center position on tailslap of supercavitating projectile
Zhao Chenggong, Wang Cong, Wei Yingjie, Ma Qingpeng
2014, 40(12): 1754-1760. doi: 10.13700/j.bh.1001-5965.2014.0014
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The numerical simulation of the cavity morphology in supercavitating projectile tailslap was studied and the rigid body motion parameters and tail-slapping forces variations were comparatively analyzed under different mass centre positions of the supercavitating projectile, based on the theory of ho...
Comparison of tissue vibration signal extraction algorithms in shearwave dispersion ultrasound vibrometry
Cai Xiran, Fan Fan, Li Xiaofei, Niu Haijun
2014, 40(12): 1761-1766. doi: 10.13700/j.bh.1001-5965.2013.0741
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Vibration extraction is an important step in shearwave dispersion ultrasound vibrometry (SDUV). There are two primary algorithms for vibration extraction in SDUV, the quadrature demodulation method (QDM) and the cross-spectrum method (CSM). However, the extraction qualities of QDM and CSM are under ...
A method of stellar-inertial attitude determination under high dynamic condition
Han Li, Zhang Lijun, Cai Hong, Zhang Shifeng
2014, 40(12): 1767-1772. doi: 10.13700/j.bh.1001-5965.2013.0756
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Under high dynamic condition, the accuracy of stellar-inertial attitude determination degraded or even failed to obtain the attitude information because of star image smearing. Based on multiplicative extended Kalman filter (MEKF), a deep integration attitude determination method using gyro and star...
Application of fuzzy variational principle in solution of natural frequency of structures
Zhang Xudong, Qiu Zhiping, Li Qi
2014, 40(12): 1773-1779. doi: 10.13700/j.bh.1001-5965.2013.0749
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When dealing with the natural frequency of structures with fuzzy parameters, the previous methods are limited to the case that the fuzzy parameters are transformed into the interval parameters before the calculation, and then the fuzzy results are constructed by the interval results. The calculation...
Multispectral imaging simulation of sea-sky background scene
He Xiaoyu, Xu Xiaojian
2014, 40(12): 1780-1785. doi: 10.13700/j.bh.1001-5965.2014.0009
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When an infrared sensor observes sea surfaces at a high zenith angle of the sensor, both sea and sky backgrounds are in the field of view (FOV). By calculating the radiance received by each pixel of the sensor, multispectral optical images of sea-sky background can be obtained. To calculate the refl...
Experimental investigation and numerical simulation of composite laminate adhesively bonded single-lap joints
Liang Zudian, Yan Ying, Zhang Taotao, Li Jianfeng, Meng Xiangji, Liao Baohua
2014, 40(12): 1786-1792. doi: 10.13700/j.bh.1001-5965.2014.0010
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Both experimental tests and finite element method (FEM) simulation were implemented to investigate T300/QY8911 composite laminate single-lap joints with various single-lap length and adherend thickness. 3D finite element models of the joints under various experimental parameters were established. Th...

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