振動溫度 的英文怎麼說
中文拼音 [zhèndòngwēndù]
振動溫度
英文
vibrational temperature- 振 : 動詞1. (搖動; 揮動) shake; flap; wield 2. (奮起) brace up; rise with force and spirit
- 溫 : Ⅰ形容詞(不冷不熱) warm; lukewarm; hot; gentle; mild Ⅱ名詞1 (溫度) temperature 2 (瘟) acute ...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 振動 : vibrate; vibration; vibrance; vibrancy; vibra; vibes; shaking; rumble; jitter; chatter; sway; jar...
- 溫度 : [物理學] temperature
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The anharmonic effect of atomic vibration taken into account and from the potential energy which reacts each other among atoms, boltzmann statistical principle used, the relation formula of temperature and the distance change between atoms and coefficient of linear expansion is derived
摘要考慮原子振動的非簡諧效應,從原子間相互作用勢能入手,運用玻爾茲曼統計原理,推出了原子間距的變化與溫度的關系式,並導出了固體的線脹系數。There are over 80 sets test apparatus in tech - innovation centre, including : anechoic chamber, vibration tester, vibration measurement analysis, impact instrument, constant temperature and humidity facilities. salt spary test case, circle insulation withstand voltage tester, insulation resistance tester, withstand voltage tester, electric lead tester, electrical leakage tester, earth resistance tester, chassis dynamometer, chassis dynamometer control system, high stability dc resistance tester, electrical capacity tester, temperature rise test system
中心擁有各類分析測試儀器和試驗裝置80餘臺套,包括:消音室振動臺噪聲振動測試分析系統沖擊儀恆溫恆濕實驗儀鹽霧試驗箱匝間耐壓分析儀絕緣電阻分析儀對地耐壓分析儀泄露電流測試儀對地電阻測試儀測功機測功機控制系統高精度直流電阻測試儀電參數測試儀帶電溫升測試儀復合式三坐標測量儀萬分投影儀及電功測試分析系統等。Because the lattice vibration is weak at very low temperature, the contributions of electrics and other low energy excitations become dominant parts of specific heat. therefore, we can study the micromechanism of many physical phenomena from specific heat measurement
在很低的溫度下,由於晶格振動變得很弱,電子和低能激發貢獻越來越突出,這對我們通過低溫比熱研究很多現象的微觀機制十分有利。Secondly, through analyzing the failure instance of electrical connectors in using and testing environment, educed contact fault was a main mode of failure of electrical connectors. on natural working conditions, the main reasons which caused fault of electrical connector were contact stress decreasing, microseism wearing and tearing and surface film growing
而在正常的工作條件下,造成電連接器電接觸失效,即決定電連接器工作壽命的主要原因是接觸壓力減小、微動磨損和表面膜層的生長,而影響接觸壓力、微動磨損和表面膜層變化的主要因素是環境振動和溫度。The probe ' s linearity, temperature and dynamic characteristics are analyzed base on principal theory of eddy - current displacement sensor, such as the influence of the coil q value to the linearity characteristic, influence of the diameter of coil to the linearity characteristic, influence of coil resistance to the temperature characteristic, influence of the measuring coil to the syntony loop
在介紹渦流位移傳感器的基本理論的基礎上,分析了傳感器探頭線性特性、溫度特性、動態特性的影響因素。從探頭線圈q值對線性特性的影響;探頭直徑對線性的影響;探頭線圈電阻對溫度特性的影響;激勵信號溫度特性的影響:檢測線圈?振迴路動態響應特性等方面分析並提出製作高質量傳感器探頭的改進措施。Its principle is : a laminated structure ( beam or plate ) with delamination consists of undelaminated region and delaminted region which can be divided to upper and lower parts. when a low - amplitude and high - frequency excitation has the frequency close to some part ' s natural frequency, this part will resonate and certain amount of mechanical energy will convert to heat so that the delaminated region ' s temperature exceeds greatly that of the undelaminated region. therefore the delamination can be located by means of infrared thermograph
其原理是具有脫層的層合材料構件(梁或板)包含脫層區域及未脫層區域,脫層區域分為上下兩部分,若對層合材料構件施加小振幅、高頻率的振動激勵,當激勵頻率恰好接近其中一部分的固有頻率時,該部分就會產生共振響應,部分機械能將轉化為熱能,使脫層區域的溫度遠高於未脫層區域,藉助紅外熱像儀即可顯示出脫層的位置。The aerothermoelastic analysis of missile structure includes the thermal stiffness, thermal vibration and thermal flutter analysis. this dissertation emphasizes on thermal vibration analysis of the aerial vehicle under aerodynamic heat condition
本文研究背景是彈體這類典型結構在高速飛行情況下,由於氣動加熱引起的高溫對結構氣動熱彈性分析,包括熱剛度、熱振動問題的研究。Characteristic temperature of vibration
振動特徵溫度Hysteresis is not only found for the temperatures, due to the difference between the onset and damping temperatures, but also for the input heating power, i. e., the critical onset power is also different with the critical power for the damping process
此外,還發現熱聲起振和消振過程中的臨界溫度和臨界功率都存在滯后現象。基於對滯后現象的分析,提出了一個混合驅動源熱聲驅動器的方案。However, one of the most serious impediments to wider use and improve precision of psi is its sensitivity to external vibration with the consequence that psi has rarely been used in a manufacturing in - situ and some special situations, such as that the optical path is very long or the detected unit is very large
通過嚴格控制環境條件(溫度、氣流、振動等) ,其理論光程差(位相)的最小解析度可以達到nm的數量級。然而,由於干涉計量測試靈敏度高、精度高,對外界振動非常敏感,使它的應用范圍受到限制。The conclusions obtained as follows : firstly, the structure ' s free frequency is decreased by the reduction of the mechanical property of the material with the increasing temperature ; secondly the thermal stress produced by the temperature gradient may decrease or enlarge the structures natural frequency ; thirdly, the variety of natural frequency of the alloy structures effected by the heat effect apparently higher than that of the composite material structures
最後,採用ansys程序分析了合金材料、復合材料的板、彈體結構的熱振動特性。在不同的熱載條件下,取得以下結論:升溫導致的材料機械性能下降都會降低結構固有頻率,而溫度梯度產生的熱應力可能降低也可能提高結構的固有頻率;金屬材料結構的固有頻率受溫度的影響要比復合材料結構的固有頻率受溫度的影響要明顯。Ceramic material had better performance than steel and copper and the shorter the stack, the lower the initial temperature for oscillation
而從熱聲振動的方式來看,強制振動比自激振動具有更低的起振溫度。For intake system, adopting the resonant intake manifold construction, make use of the intake motive effect to increase volumetric efficiency ; adopt measure to prevent the heat transmit between intake pipe and exhaust pipe, lower the intake air temperature to increase volumetric efficiency
對于進氣系統,採取諧振進氣的結構措施,利用進氣動力效應來提高進氣充量;採取進、排氣管隔熱措施,降低進氣溫度來提高進氣充量。The dropping test table, high temperature test cabinet, vibration test table and impacting table, which can simulate many dynamic test of frequency of 5 60hzdisplacement and amplitude of 5 mm
100 %等多種溫度條件,跌落試驗臺高溫試驗箱振動試驗臺沖擊試驗臺等均有中國國營西北機械廠生產,可模擬頻率5So it is very important to monitor vibration, temperature, and other parameter
對機組振動、擺度、溫度以及其它影響機組運行的參數的監測就顯得至關重要。As the experiment results show, multiple reasons led to the offset of oscillating frequency, including diode ’ s nonlinear characteristic, fluctuation of electrical source voltage, traction of load impedance, change of environmental temperature and humidity and the design of circuit
實驗結果表明多種因素引起了振蕩頻率的偏移,包括二極體的非線性、電源電壓的波動、負載的牽引、環境溫度濕度變化以及電路板設計方面的因素等。The paper analyzed the relationship of the scale factors and several main performance indexes of the system ' s respond curve like over - regulation, divergence, surge - degree, steady - state error and transient time, and denoted these indexes by some fuzzy membership functions
溫室溫度響應的主要動態性能指標包括:超調量、系統發散程度、系統振蕩程度、穩態誤差、過渡過程時間等。The paper suggests the new heat insulation materials and charge structures used under different temperatures condition of blasting objects, and presents the methods to avoid miss - fire and the measure to control the blasting shock and vibration damages to protected objects such as furnace lining, furnace body and back - up bearing
推薦了被爆體在不同溫度條件下應採用的新型隔熱材料及裝藥結構,同時給出了施工過程中避免拒爆的方法及控制爆破產生的振動沖擊對被保護對象(如爐襯、爐皮和支撐軸承等)危害的具體措施。According to the experimental parameters of mpt, the main performance parameters of different propellants have been given by engineering performance computation under designed and working states, which has great importance for the experimental research and the future work. 2. for helium and argon, the factors which influence on mpt ' s vacuum steady work have been discussed such as the material of microwave tie - in, the distance between the probe and inner - conductor, the position of the inner - conductor, the input power of microwave, the mass flowrate of propellant and the vacuum pressure of environment, and the influence has been discussed of the microwave power and the mass flowrate of propellant on the pressure of the resonance cavity, thrust, reflected power and the temperature of the resonance cavity
論文的工作和新見解主要包括: 1在設計狀態和工作狀態下,根據mpt的實驗參數,對mpt使用不同工質時的性能進行了工程估算,這對mpt現階段的實驗研究和今後的研究有重要的指導意義; 2對于he 、 ar推進工質,討論微波的接頭材料、探針與內導體的間隙、內導體的位置、微波的輸入功率、工質的質量流量以及環境真空度對mpt真空啟動和穩定工作的影響,並探討微波的輸入功率、工質的質量流量對諧振腔壓強、推力、反射功率以及諧振腔溫度的影響; 3對于n _ 2 、 h _ 2 、 nh _ 3 、 h _ 2o推進工質,主要討論與he 、 ar工質不同的特性,並從長遠的眼光和工程應用的角度,認為其可行性不容置疑,潛在優勢不可忽略,是未來mpt應用的主流推進工質。Therefore, the diagnostics of electrical and optical characteristic of plasma form the basic respects of plasma diagnostics. the author reports in detail in the dissertation the experimental investigation on the phenomena of some common discharge systems at typical operation status such as dc glow ; rf ( radio frequency ) glow and microwave ecr ( electron cyclotron resonance ) discharge
創新之處: ( 1 )提出了雙原子分子轉動分辨發射光譜的擬合方法,並利用擬合方法進行了氮氣直流輝光放電產生的第一負帶轉動分辨光譜和磁控濺射沉積cnx膜過程中cn基團的振動帶的轉動線型擬合,獲得了相應的轉動溫度。分享友人