gas friction 中文意思是什麼

gas friction 解釋
氣體摩擦
  • gas : n (pl gases )1 氣,氣體,氣態 〈cf fluid; solid〉 2 可燃氣,煤氣,沼氣;【礦物】瓦斯。3 【軍事...
  • friction : n. 1. 摩擦,阻力。2. 傾軋,沖突,不和 (between)。3. 擦熱皮膚。
  1. Regaining new stable equilibrium he rose uninjured though concussed by the impact, raised the latch of the area door by the exertion of force at its freely moving flange and by leverage of the first kind applied at its fulcrum gained retarded access to the kitchen through the subadjacent scullery, ignited a lucifer match by friction, set free inflammable coal gas by turning on the ventcock, lit a high flame which, by regulating, he reduced to quiescent candescence and lit finally a portable candle

    他重新獲得了穩定均衡,盡管因猛烈撞擊而受震蕩,卻沒有負外傷就站了起來。他使勁扳院門搭扣的那個活動金屬片,憑著加在這一支軸上的初級杠桿的作用,把搭扣摘開,穿過緊挨著廚房地下的碗碟洗滌槽,繞道走進廚房。他擦著了一根安全火柴,轉動煤氣開關,放出可燃性的煤氣。
  2. The hyperbolic conservation laws with relaxation appear in many physical systems such as nonequilibrium gas dynamics, flood flow with friction, magnetohydrodynamics, etc. firstly, the thesis proves that there exists a unique global smooth solution for the cauthy problem to the hyperbolic conservation laws system with relaxation ; secondly, in the large time station, the thesis proves that the global smooth solutions of the hyperbolic conservation laws system with relaxation converge to rarefaction waves solution at a determined l ( p > 2 ) decay rate

    帶鬆弛項的雙曲型守恆律組出現在諸多的物理系統中。例如,非平衡態的氣體動力學、帶摩擦的水流、磁動力學等。本文首先證明,帶鬆弛項的雙曲型守恆律組的柯西問題的整體光滑解的存在唯一性;其二,證明了帶鬆弛項的雙曲型守恆律組的解與相應的平衡態守恆律的稀疏波解在大時間狀態下的l ~ p衰減率。
  3. Presents the model proposed for analyzing the vibration characteristics of shrouded blades and their calculation method by employing a wave propagation theory and modal synthesis technology coupled with a finite element method from the view point it is possible not only to conduct frequency modulation of the shrouded blades of a gas turbine, but also to utilize the friction effects between them to dissipate energy, thereby attaining the aim of vibration alleviation, as shrouded blades have been widely used in the design of high - speed turbomachinery, such as modern gas turbines and steam turbines, and with the shrouded blades forming an integral whole in a centrifugal force field, the vibration characteristics of the whole ring of blades are different from those of a single isolated blade, and this makes it essential to take into account the integral effect of blade shrouds, concludes from the calculation examples and engineering application that the above approach is valid and correct along with the possibility of considerably reducing the scale of calculation and analysis, and points out it is necessary to take into consideration the coupled effect of the whole ring of blades while the dynamic characteristics of shrouded blades is being analysed

    帶冠葉片不但能調頻,還可以利用葉冠之間的摩擦效應來耗散能量,達到減振的目的.帶冠葉片在離心力場中形成一整體,其整圈葉片振動特性不同於單個孤立葉片,需考慮葉冠的整體效應.利用帶冠葉片系統的循環對稱性,提出了採用波傳播理論和模態綜合技術,結合有限元方法研究燃氣輪機帶冠葉片振動特性的分析模型和計算方法.算例和工程應用證明了該方法是效性的、正確的,並可以大大降低計算分析規模.研究表明帶冠葉片動力特性分析時必須考慮整圈葉片的耦合效應
  4. It is suitable for medium such as water, gas, heat energy, crystal and powder material etc, especially suitable for medium of easy sedimentation, fouling, crystal, lumber, mixed with foreign impurity, sewage and medium with corrodibility, high scouring and great friction

    適用於水、氣、熱能、漿液、晶粒、粉狀物料等介質,特別是能滿足兩相流溶液工藝流程中易沉澱、結垢、結晶、析出、雜物、異物混雜的介質、污水及腐蝕性、高沖刷性、琢磨性強的特殊需求。
  5. Multiple funcyions available : start / crater arc current, increase / decrease time, base, crest value current, pulse frequency, pulse rate, post flow time, hf / friction welding, water / gas cooling

    功能豐富:起始/收弧電流、上升/下降時間、基值電流、峰值電流、脈沖頻率、占空比、滯后關氣時間分別可調,高頻/接觸引弧、水冷/氣冷可供選用。
  6. Gas permeability tester and mechanical folding device were developed to study the barrier property and deformation failure behaviors. the surface characterization, chemical structure, optical, mechanical properties of pet coated with dlc have been investigated by x - ray photoelectron spectroscopy ( xps ), contact angle measurement, light transmission analysis, nanoindentation and friction wear tests

    通過x射線光電子譜分析、接觸角測定、光學透過率分析、納米壓痕、摩擦磨損試驗、機械彎折試驗、氣體透過率試驗,對膜層的表面特徵,光學、力學及氣體阻隔性能進行了系統的研究。
  7. The method is described as follows : the velocity of the moving part and the gas chamber pressure were measured with a dynamic test measurement system ; a dynamic model was built on force analysis of the moving part ; the total kinetic resistance replaced the horizontal friction and water resistance ; then the resistance - velocity relation curves at moving stages were obtained ; with the empirical formula of the gas chamber pressure and the resistance - velocity relation curves, the preliminary dynamic characteristics were analyzed and the structural form and key parameters of an underwater assault rifle were determined

    具體方法為:由動力學測量系統測得活動件速度和氣室壓力;分析活動件的受力,建立動力學模型;以運動總阻力代替水平方向上的摩擦阻力和水阻力,獲得各運動階段的阻力速度關系曲線;利用氣室壓力經驗公式和阻力速度關系曲線,對水下突擊步槍進行初步的動力學分析,確定其構造型式及主要參數。
  8. This research is to eject some compressed air into the dredging pipe to get tri - phase flow in the pipeline, and research the change about the pipe resistance, at the same time, obtain the more effect adding gas method and realize reduction friction and prolong the dredging distance

    本文研究的目的是在一定的漿體流速和漿體濃度下向輸送管道中加入一定量的氣體,在管道中形成三相流,進而探討加氣后管道流動的變化規律,同時確定出比較有效的加氣方案,從而實現減少阻力延長排距的目的。
  9. In the third chapter, the mathematical models of project system have been established, and simulation has been done on the simulink enviroment of matlab software kits. the simulation focus on the effects of main parameters on the dynamic characteristics of speed control system, and the main parameters include viscosity damp coefficient and friction torque of electrical motor shaft, internal leakage coefficient of pump / motor of hydraulic circuits, gas volume of pressure accumulator, viscosity damp coefficient of cylinder piston and different running building floors, etc. at last, theoretical research effects of the flow and pressure pulsation of pump / motor on car speed and oil volume leakage theory are discussed. the fourth chapter of this thesis concerns the research on the key items about hydraulic power control system according to the ens 1 - 2 and other hydraulic elevator standards

    論文第三章針對組成系統的各個模塊進行了機理建模,並且通過matlab軟體中的simulink圖形化模擬環境進行了本課題系統的模擬研究,主要針對影響系統特性的主要參數變化,動態分析系統的輸出特性,在上下行工況中,分析了電機軸系粘性阻尼系數、軸系摩擦力矩、主迴路蓄能器迴路液壓泵馬達內泄漏系數、蓄能器氣體容積、液壓缸柱塞粘性阻尼摩擦系數以及不同運行樓層工況等參數對系統特性的影響;最後對軸向柱塞泵馬達的流量壓力脈動對電梯轎廂速度的影響和蓄能器內油液體積損失機理進行了理論研究。
  10. In order to know the relationship between gas - content and pipeline ' s pressure drop, the thesis deduces the pressure drop calculating equations based on uniform flow pattern and separating flow pattern. the equations show that pressure drop is made up of three parts, that is, friction resistance effect, gas acceleration effect and the gravity effect. and the research has shown that the gas has little effect on pressure drop. in the horizontal pipeline, the resistance effect must be overmatched the acceleration effect

    為探討加入的氣體對管道壓力的影響,本文基於分相流和均相流兩種模型分別推導了三相流管道的壓降公式,表明無論是分相流模型,還是均勻流模型,管道內流體總的壓降是由三項組成的,即摩擦項、加速項和重力項,並得出了加氣對管壓變化不大的結論,所以認為在水平管道中,要獲得有效的減阻,則要使摩擦阻力分量的減小效應大於漿體加氣的加速效應。
  11. The titanium alloy valve is more superior than ordinary steel valve in lighter, smaller expansion coefficient, improves the tightness in inletting and exhausting, helps in complete combustion, and at the same time reduces noise, friction, oil consumption, vibration, and gas waste

    鈦合金汽門比一般鋼閥材質的產品更輕化、膨脹系數小,于進、排氣時可提升它的氣密動作,幫助完全燃燒,同時減少噪音、摩擦、油耗、震動及廢氣。
  12. In the model, many processes or phenomena such as crack friction and growth, heat conduction, phase transformation of oxidant particulates, heat generation by viscous liquid layer, chemical reactions of gases in cracks, heat and mass exchange between phases of gas and solid, are described

    模型描述了裂紋滑移擴展、熱傳導、含能顆粒相變、液化層粘性加熱、裂紋內氣相反應、氣相固相質量能量交換及與裂紋擴展耦合等過程。
  13. The resistance of navigating vessel would be cut down and lead to the purpose of improving the velocity or decreasing the power of main engine while maintaining the velocity, if the technology of reducing the friction by microbubbles jetted from the bottom of vessels, which makes the water close to the vessel ' s bottom become the mixture or water and microbubbles and form a thin gas layer, could be applied in ships

    如果把微氣泡減阻技術應用到船舶上,在船舶底部噴射微氣泡,使與船舶底部接觸的水變成水與微氣泡的混合液,形成一薄層氣膜緊貼在船底表面,就可以達到提高航速或航速不變減小主機功率的節能目的。
  14. Suspa nanjing currently produces gas springs for automotive industry, friction dampers for wash machine industry and gas spring for furniture industry

    目前,蘇斯帕南京為汽車行業、洗衣機產業、家具行業提供減震器和氣彈簧。
  15. Steel tubes and fittings for on and offshore pipelines - internal coating for the reduction of friction for conveyance of non corrosive gas

    海上和近海管道用鋼管和配件.降低無腐蝕氣體運輸摩擦的內塗層
  16. In this paper, according to the fluid dynamic theory, mathematical model of the pressure transients accompanying the growing and collapsing of gas bubbles and cavitation in low pressure hydraulic pipelines is given, based on the continuity equation and motion equation. the mathematical models of friction item, the growing and collapsing of gas bubbles and cavitation are also introduced

    本文通過流體力學分析方法,在連續性方程和運動方程基礎上,建立了低壓液壓管路中伴隨氣泡和氣穴產生的瞬態壓力脈動數學模型,給出了動態摩擦力數學模型及氣泡和氣穴產生及破滅數學模型。
  17. Steel tubes and fittings for on and offshore pipelines - internal coating for the reduction of friction for conveyance of non corrosive gas ; german version en 10301 : 2003

    海上和近海管道用鋼管和配件.降低無腐蝕氣體運輸摩擦
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