摩擦能耗 的英文怎麼說
中文拼音 [mócānénghào]
摩擦能耗
英文
friction energy loss-
Abrasion supporting system and the binding force
摩擦耗能機構及其豎向緊固力Friction dissipates energy in the same way that a profligate dissipates a fortune, by converting it from an ordered to a disordered form.
摩擦把有序能轉變為無序能，就象浪子揮霍財產那樣消耗著能量。Based on extensive investigation of construction technique history of chinese ancient buildings, the structure method, structure developing history and seismic behavior of chinese ancient timber structure buildings are analyzed in several respects of the structural system and form. through a series of experiments on constituent parts of chinese ancient timber building structure, including the tests on the corbels and brackets called dougong subjected to low cyclic reversed loadings, the tests on the wooden frame using the tenon - mortise joints as connections of column and beam subjected to low cyclic reversed loadings, the tests on vibration isolation effect of friction and slippage between column footing and their socle base, and a series of shaking table tests on a chinese ancient timber structure palace building mode under artificial earthquake at serving conditions, destroyed conditions and reinforced conditions, many valuable results of structures such as moment - curvature hysteretic loops of dougong structure and tenon - mortise joints under low cyckc reversed loadings, the static function, the seismic performance, energy dissipation, vibration reduction, energy - loss mechanism, nechanicalmode and failure mode were studied. aplenty of valuable parameters of the structure system were obtained, such as the natural period of structure, vibration modes, damping ratio, factor of vibration isolation, oscillate amplitude of ineitial accebration, velocity and displacement, magnitude of slippage, and the mechanism of structure failure and collapse etc. based on these research, the complete analysis of ancient timber structure under earthquake were carried out in which including mechanism analysis method, calculating mode, strength analysis of members and joints, strengthening methods for serving damaged ancient timber structure buildings were also taken into account
依照宋代《營造法式》建造了抬梁式殿堂木結構構件及結構模型，對中國古代木結構中的典型構造如：柱腳在礎石頂面平擱簡支、柱架榫卯連接、柱高不越間之廣、側腳、生起、斗拱等的構造機理及結構功能進行了量化分析和實驗研究： （一）通過木柱石礎靜摩擦試驗，測定了柱腳與石礎古鏡面間的摩擦系數及摩擦力隨上部結構荷載變化的規律； （二）通過單柱承載力試驗，測定了古建築中木柱的受力變形特徵、破壞模式、及模型材料的變形模量、極限承載力、極限變形等參量； （三）通過柱架低周反復荷載試驗，測定了柱架的抗側移剛度、柱架恢復力特性及滯回曲線、榫卯張角剛度及其變化規律、柱架及榫卯的極限承載力和極限變形、及榫卯減振參數； （四）通過斗?低周反復荷載試驗和受壓試驗，測定了古建築木構件與木構件間摩擦系數，斗?抗側移剛度，斗?恢復力特性及滯回曲線，斗?抗壓極限承載力及受力變形規律； （五）通過抬梁式殿堂間架模型振動臺試驗，測定了殿堂木構架結構自振周期，地震反應振形、阻尼特性及阻尼比；按結構分層特點對柱腳、柱頭和斗?層上的屋蓋的地震反應採用多點同步測量，對柱根滑移、榫卯變形、斗?的變形、復位、耗能減振參數等進行了定量分析。The main parts such as axles, squeezer, pressing bar and gear are made of advanced alloy steel which has been handled by hardening and can be used everlasting even though in the condition of high temperature and friction consumption all day and all night
本機主軸、榨螺、榨條、齒輪等主要零件，均系優質合金鋼製造，並經過硬化處理，雖日夜處于高溫與摩擦耗損情況下，均能經久耐用。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In the absence of frictional energy dissipation, input work and output work are equal.
沒有摩擦力所引起的能量消耗時，輸入功等於輸出功。Air - cushion conveyer is a new type uninterrupted transfer equipment, utilizing spiral - slot in the air chamber as a replacement for bracket. the cushion supports the convey belt, converting slide friction between the belt and the bracket into slide friction between the belt and the cushion
它用氣室盤槽替換托輥，以氣墊支承輸送帶，變輸送帶與托輥間的滾動摩擦為輸送帶與氣墊間的滑動摩擦，具有運行平穩、耗能小、維修方便等優點。A new kind of generalized energy is proposed as the lyapunov function, and thereby resulting in a new criterion of generalized nonlinear symmetric stability. it shows that not only must the dissipative coefficient be greater than a certain critical value but the initial disturbance amplitude must be synchronously smaller than another marginal value as well
從含摩擦耗散的f平面上boussinesq近似下的非線性方程組出發，提出了一種新的廣義能量作為lyapunov函數，導得了一種新的非線性對稱穩定性判據：即不僅耗散系數大於某一臨界值而且同時初始擾動振幅小於另一臨界值。The idea of passive control is to utilize additional facility within a structure to dissipate or absorb a large portion of the seismic energy, which has been applied to practical engineering extensively since its control devices - dampers are convenient and it does not need large energy supply and the structural system identification. now the main devices which have been developed in the passive control may be grouped into the following types : viscous, visco - elastic, metallic and frictional, and tuned mass damper ( tmd ) and tuned liquid damper ( tld )
被動控制通過附加阻尼裝置耗散或吸收大部分的地震動能量以達到減振的目的，由於其控制裝置簡單，不需要外界能源輸入和系統識別，容易在工程上實現並已得到廣泛的應用；目前被應用於結構被動控制的阻尼器主要有：粘滯型、粘彈型、摩擦型、調諧質量阻尼器（ tmd ）和調諧液體阻尼器（ tld ） 。We built a test road and after one year, we used surface wave exploration to test. the result is that the repaired layer felt old road well and have no empty spot. we used the pendulum friction tested and the results are the wear - resisting property is better than cement concrete pavement and pendulum friction is higher than cement concrete pavement
此種材料同原有水泥混凝土路面的粘結性能強，強度上升快，韌性大，抗凍性好，防水抗滲；通過試驗路運營一年多的檢測結果表明：通過面波儀測定修補層與原路面粘結良好，沒有脫空點；利用擺式摩擦儀測定其耐摩耗性能優于原水泥混凝土路面。In this paper, based on summarizing previous numerical studies on wave transformations, several works are documented : based on the mass conservation equation and euler ' s equation, the extended form of boussinesq equations is derived by using the velocity at an arbitrary water depth as the independent variable, and several terms are added into governing equations to model the effects of bottom friction, wave breaking and subgrid turbulent mixing
本文在總結概述前人關于boussinesq方程波浪數學模型研究進展的基礎上，主要做了以下幾點工作：從質量守恆方程和euler方程出發，以某一水層處水平速度矢量作為獨立變量，推導出包含底摩擦耗能、波浪破碎效應和子網格湍流效應的改進型boussinesq方程。It is shown that the sma incorporated friction dampers possesse a significant performance of energy dissipation
驗證了sma復合摩擦阻尼器具有優越的減振耗能性能。According to the results of test, the dissipation mechanism of friction - viscoelastic damper ( f - ved ) is studied and its theoretical hysteretic curve is obtained
摩擦阻尼器的耗能機理進行了研究，並在理論上獲得了它的滯回曲線。Firstly, the dynamical performance of friction damper ( frd ) and viscoelactic damper ( ved ) is tested in this paper. the work, which gets the rules that the two dampers " hysteretic curve and performance - parameters change follows the changing of excitement, lays the foundation for designing new kind of edd
論文首先進行了摩擦阻尼器和粘彈性阻尼器的動力性能試驗，獲得了兩種阻尼器的滯回曲線和性能參數隨激勵性質變化的規律，為進一步開發新型的耗能阻尼器提供了基礎。Through the research, following achievements have been made : ( 1 ) a detailed experimented study has been carried out to investigate the performance of the sma incorporated friction dampers. the effects of displacement amplitude and frequency are taken into account in experiments. good agreement between theoretical and experimental results is obtained
通過研究主要取得如下成果: （ 1 ）首次進行了sma復合摩擦阻尼器的性能試驗研究，根據試驗結果分析了位移幅值、加載頻率等對阻尼器的等效剛度、單位循環耗能和等效阻尼比的影響，並與理論分析結果進行了對比分析，兩者吻合較好。In fact, most mechanical devices waste a great deal of energy in overcoming friction
事實上，大多數的機械裝置都把大量的能消耗在克服摩擦上面。As the slipping isolator consumed most of the input energy of earthquake the structure with the base fps isolator has been reduced the peak value of acceleration and displacement between floors of the structure effectively
由於滑動摩擦層耗散了絕大部分的地震輸入能量，採用摩擦擺基底隔震措施以有效降低上部結構的最大加速度和層間位移反應。On the basis of the wide investigation of the achievement home and abroad about the friction energy dissipation frame, this dissertation has completed a whole research process - from time - history response analysis of the structure with friction energy dissipation, to the theoretical research on the frame with friction energy dissipation, up to application of friction energy dissipation in structural seismic
本文在廣泛調研國內外對摩擦耗能框架結構的研究成果基礎上，從摩擦耗能框架動力時程分析的研究出發，逐步深入開展對摩擦耗能框架結構的理論研究，進而探討摩擦耗能減震技術在結構抗震加固中應用的設計方法。The frd is designed as a new piston - type constant - friction - force damper, which dissipates energy efficiently and can be used in practical project expediently
本文設計加工的活塞式常摩擦力阻尼器耗能明顯，且能方便地運用於實際工程。By ansys finite element program the seismic response of a five - story frame structure with friction dissipating braces is analyzed, and is compared with that of the pure frame structure without brace and the brace frame structure without friction dissipation devices
選取一五層框架作為算例，利用ansys程序，對摩擦耗能支撐框架、無支撐框架和普通支撐框架的地震反應進行了計算比較，分析了摩擦耗能支撐的減震效果。分享友人