对浮筏系统的振动传递及水下声辐射特性进行试验研究有其重要的工程应用前景。
Vibration transmission and underwater acoustic radiation characteristics experiment of floating raft system has an important technical application prospect.
借助已有的水下爆炸理论,分析试验结果,总结了地基及结构振动的规律,指出二次振动现象与水中爆炸产生的气泡脉动有关。
According to the existing theories on underwater explosion and based on the analysis of experimental results, the laws of foundation and structure vibrations are summarized.
通过试验研究、比较,得出了振动拌和SFRC的主要参数及影响因素。
The main Parameter and effect factors of vibratory mixing on SFRC are got through test, study and comparison.
通过所建理论模型及铣削试验讨论了铣削过程中强迫振动、颤振的产生条件及特点。
Through the theoretical model and milling experiment they discuss the condition of producing forced vibration and chatter in milling process and the chatter characteristics.
本文用传递函数的模态分析法研究了电机定子铁芯的振动模态,介绍了试验原理、装置及测试结果。
In this paper, the test for vibration mode of stator core of an electric - al motor are studied using the transfer function mode techniques.
本文采用的分析计算方法对目标船结构振动及响应预报值,与实船试验数据具有很好的一致性。
The predictions of vibration and response of object ship structure obtained by using analysis and calculation method described in this paper have good consistency with real ship testing results.
试验及分析表明,该车摆振主要为强迫振动,通过控制激振源、增大转向系统阻尼可抑制摆振。
The test and analysis show that the shimmy is a forced vibration and can be restrained by controlling excitation source and increasing steering system damping.
振动强化拌和技术用于RCC及SFRC的制备,确定出了振动拌和方案和试验装置。
This paper makes RCC and SFRC by using the reinforcing method of vibrating mixing technology and designs a vibrating mixing scheme and device.
本文针对卫星主要结构材料铝质蜂窝板的非线性动力特性现象进行了振动试验及分析。
In the paper the phenomena in test for nonlinear dynamic behavior of aluminum honeycomb sandwich plate in satellite structure are analysed.
在总结历次试验结果的基础上,得出了喘振现象及间歇式振动现象是由多叶风机叶道流场失去稳定性所引起的结论。
On the basis of summing various test results, it is put forward that surging phenomena and intermittent oscillation phenomena are caused by buckling of blade channel flow field.
试验结果表明:相对位移对表面光洁度的影响是线性”的,不仅与振动幅值有关而且与振动频率及主轴转速有关。
The test result shows tha the influence of related displacement on surface finish is linear and related to amplitude and frequency of vibration and spindle speed.
试验表明:电子产品在振动环境中的损伤不仅与振动类型及幅值有关,也与其自身结构有着密切的关系。
The experiment showed that the damage of electronic product in vibration environment has relation with type and amplitude of vibration and structure of the product.
文章说明了利用瞬态激振,即锤击法,研究燃气轮机振动特性的试验及分析方法。
This paper deals with a testing and analytical method for studying gas turbine vibration characteristics by use of transient excitations, i. e. hammering method.
通过对通讯车辆噪声和振动特性的分析,介绍了在该车上进行的振动和噪声改进对比试验的试验方法及试验原理;
Through an analysis of noise and vibration characteristics, an experimental principle and method is introduced to eliminate the noise and vibration in communication automobiles.
本文通过电测应力、振动测试及有限元计算找出驾驶室的薄弱环节,并在振动试验台上进行疲劳试验验证。
Vulnerable parts in tractor cab are found by using stress measurement, vibration tests and finite element approach, and verified by fatigue tests on vibration test table.
本文讨论砌体房屋模型振动台试验中模型设计、加载方法及试验中的其他问题并提出解决途径。
On shaking table tests, some problems with model design, loading method and others of masonry houses are discussed and solutions of them are given in this paper.
试验研究了激励频率、比例阀输入电压及磁流变减振器输入电流对座椅振动特性的影响规律。
The effects of actuating frequency, proportional valve input voltage and MR damper input current on the vibration characteristics of seat were experimentally studied.
本文介绍并分析了某型多用途海防导弹弹上灵敏设备的振动设计及地面振动试验结果。
The vibration design of the sensitive equipments on board of a certain multi-purpose sea defense missile was described and the result of ground vibration test was analysed.
通过正弦扫频及随机振动试验结果表明,所设计金属橡胶隔振器能够满足技术指标要求。
The metal rubber isolator satisfies the requirement based on the experimental results of the swept sine and random vibration.
通过对金属橡胶材料进行振动特性试验,总结了不同激励水平、不同相对密度及不同材质对其振动特性的影响。
Based on non-rigidity and non-damping, the method of describing vibration performance of MR was presented, steady response was calculated, and the results were contrast to testing results.
本文以试验研究为基础,对柴油机燃用乳化油的节能效果,以及对柴油机起动性能、振动、噪声、排气成份和烟度等做了试验研究,并对乳化油生成及节能机理进行了论述。
Based on the tests for emulsified diesel oil on a diesel engine, this paper presents test research on economical results, startability, vibration, noise, exhaust gas constituent and smoke.
采用高速振动头同步振动,保证在振动时各部位的产品受到的力的情况一致,并延长试验机的寿命及故障率的降低。
Use high speed oscillation cobbra , ensure all parts of products have same strength during oscillation , prolong tester lifespan, decline failure rate.
对发电机定子绕组端部固有频率的测试及模态试验分析作了简要的介绍,对端部绕组振动的在线监测作了简要分析,同时提出了一些个人看法。
The inherent frequency and modal testing about end winding of generator stator are introduced, the vibration of end winding on-line monitoring is analyzed, a personal point of view is introduced.
新型伺服阀可以应用于振动试验台、疲劳试验台及需要快速反应的流体控制系统中,可提高系统的快速响应特性。
The new type servo valve can be used in the vibration test bench, the fatigue test bench, and the various hydraulic control systems which need fast response characteristics.
根据流体力学中的绕球定常黏性流动理论,在振动台试验的基础上,设计了一套砂土液化及液化后流动特性的试验装置。
According to the theory of dropping ball viscosimeter, the test apparatus of flow characteristics of liquefied and post-liquefied sand is developed based on the shaking table tests.
在土体材料方面,研究方法有面波测试、振动台试验及数值模拟。
In the aspect of soil materials, research methods are surface wave test, shaking table test and numerical simulation.
试验结果表明:在试验的各状态下,主梁及桥塔均未发现有害的涡激振动。
The test showed that: in each test state, the harmful vortex-induced vibration has not been found in the main beams and the bridge towers.
试验结果表明:在试验的各状态下,主梁及桥塔均未发现有害的涡激振动。
The test showed that: in each test state, the harmful vortex-induced vibration has not been found in the main beams and the bridge towers.
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