軸轉數計 的英文怎麼說
中文拼音 [zhóuzhuǎnshǔjì]
軸轉數計
英文
shaft counter-
Abstract : in the research of internal combustion engine, recordingin - cylinder pressure and temperature is an essential technique to study the thermal cycle of internal combustion engine. the combustion analyzer developed in this study will give both the measurements at sampling points per crank angle or sampling cycle, calculate and show the real time parameters which decide the working process of internal combustion engine, such as pressure accelerating rate, indicateed mean effective pressure, cycle - to - cycle variation, heat release rate, etc. compared with the imported congeneric products, the analyzer has many advantages such as chinese interface, low price, easy operateing, convenience in maintainance and easy upgrading
文摘:為了測錄內燃機缸內的壓力及溫度，開發了一種內燃機燃燒分析儀.該分析儀由國產高速數據採集卡及自行開發的控制軟體組成.它不僅能精確設置每度曲軸轉角內采樣點的個數和採集循環數，而且在採集過程中能實時計算和表徵內燃機工作過程的壓力升高率、平均指示壓力、循環變動率、放熱率等參數.經實際使用以及與國外產品相比表明，此分析儀具有全中文界面、價格低、操作簡單、使用維護方便、功能便於擴充等優點Based on the same principle of floating stability calculation of rectangle caisson, the moment of inertia of gravity axis of the fan shape is transformed through coordinate transformation formula, and the general formula and calculation method of floating stability for c limier caisson with partition ails are obtained
摘要引用矩形沉箱浮遊穩定計算的相同原理，把扇形重心軸的慣性矩通過轉軸公式的轉換，再經數學證明，得到帶箱格圓形沉箱浮遊穩定計算的通用公式和計算方法。Disigning coolant channel on the firebox of liquid rocket engine to loxodrome ( equal - angle helix ) groove can improve firebox coolant capability greatly. because the width dimension of loxodrome groove is narrow and the depth is deep, some machining methods are incapable, such as end - milling or electrochemistry. according to the peculiarities, a cnc disk - cutter - milling method which is composed of five motion axes with four simultaneously interpolated ones is researched. because most firebox generatrix is composed of complex curves, it is very difficult to get cnc cutting program with manual means. in order to deal with the problem, the loxodrome mathematics model is studied, and an auto - programming software system is developed. the software system can generate cnc cutting program of loxodrome on many kinds of turned surface. the constriction - distension segment of firebox is the most representative workpiece. the sharp changing of its generatrix slope makes loxodrome milling difficult. with the theory analyzing and practice cutting experiment, some applied techniques, which include milling mode and direction, choosing cutter diameter and cutting start point setting, are developed. adopting the technology above, tens regular workpiece have been manufacturing. the two - year manufacture practice has confirmed the validity and feasibility of developed loxodrome coolant channel milling method. the developed technology is also worth to be referenced to other similar workpiece
將液體火箭發動機燃燒室的冷卻通道設計為斜航線（等傾角螺旋線）槽形，可以大幅度改善燃燒室的冷卻性能.斜航線冷卻槽的槽寬尺寸較小而槽深尺寸較大，所以無法使用棒銑刀銑削、電化學等加工方式.針對這些特點，提出了五軸控制、四軸聯動的數控片銑刀銑削加工方法.由於燃燒室外表面的母線輪廓復雜，手工編制數控加工程序難度大.為了解決數控加工程序的編制問題，研究了斜航線的數學模型，開發了自動編程軟體系統.使用該系統，可以生成多種母線輪廓回轉體外表面上的斜航線數控加工程序.燃燒室收斂-擴張段的母線斜率變化大，加工難度大，是斜航線冷卻通道加工的最典型工件.經過理論分析和實際切削實驗，研究了針對該類型工件的片銑刀直徑選擇、銑削方式和方向、刀具調整和起刀點的設置等多項實際的加工方案.採用上述的一系列技術，已經成功地加工了數十個合格工件.經過兩年多的實際生產過程應用，驗證了所開發的斜航線冷卻通道加工方法的正確性和可行性.這些加工技術的研製成功，對其他相似類型零件的加工亦具有參考意義Computes the axis and angle of rotation for a quaternion
計算四元數的軸和旋轉角度。The equations of motion governing the axisymmetric elastic deformation of finite orthotropic cylindrical shells, involving the effect of transverse shear and rotational inertia, are derived. by applying the reverberation method, the displacement and the resultant forces of the shell in the phase space are expressed. then the transient waves in the finite orthotropic cylindrical shell subjected to the axisymmetric impact are obtained by using inverse laplace transforms. furthermore, the transient solutions are decomposed to the generalized ray integrals and computed numerically
分析了計及剪切變形和轉動慣性的有限長正交異性圓柱殼中彈性瞬態波的傳播問題，採用回傳矩陣法，在相空間中給出了位移和內力的表達式。再利用laplace逆變換，得到正交異性圓柱殼受軸對稱沖擊作用時彈性瞬態波解，然後將其分解為若干廣義射線積分之和，並用數值方法求解之。To adapt the circumstance in which the crankshaft torsional vibration generally exists, the new method ( tvrs method ) in which the cylinder power is inversely solved according to the torsional vibration curve is put forward and deduced in this paper, that is, the average effective pressure of each cylinder i. e. power condition of each cylinder is estimated based on a crankshaft torsional vibration curve according to the elasticity model of the actual shafting of engine and by use of the i. c. engine dynamics, the numerical calculations and the signal theory etc. although the computing workload is more, the method makes full use of the now available data of the torsional vibration of the i. c. engine, and can be used to all kinds of i. c. engine on any kind of operating condition, so it has higher application value
為適應內燃機普遍存在曲軸扭振的情況，本文提出並推導了利用扭振信號反算的新方法（ tvrs法） ，即採用軸系中某一測點的扭轉振動信號，按軸系實際的彈性模型，依據內燃機動力學、數值計算方法和信號理論等，反算各缸的平均有效壓力，定量判斷各缸的作功狀況。此法充分利用內燃機現有的扭振資料，雖然計算工作量較大，但普遍適用於各種類型各種工況的內燃機，有較高的實用價值。These designing parameters include stiffness of epicyclical bearings, synthetic meshing stiffness of gears, stiffness of supporting bearing of out put shaft, mass of inner rack, meshing angle of gears, distance between inputting shaft and supporting shaft and input speed etc. according to these analyses, the possible way for improving the dynamic function of three - ring transmission may be put forward
這些設計參數包括：行星軸承剛度、齒輪綜合嚙合剛度、輸出軸支承軸承剛度、內齒板質量、齒輪嚙合角、輸入軸和支承軸間距及輸入轉速等，根據這些分析，可以提出改善三環傳動動態性能的可能途徑。We can get many physical parameters through indicator diagram acquired in the experiment. such as indicator work, mean indicated pressure, maximal pressure and corresponding crank angle, maximal rate of pressure rise and corresponding crank angle and mass fraction burned, heat release rate, etc. these physical parameters can analyze and show primary in - cylinder combustion process in engine
通過實測的示功圖，經過計算整理可以獲得諸如指示功、平均指示壓力、最高燃燒壓力及其對應曲軸轉角、最高壓力升高率及其對應曲軸轉角、已燃質量分數、燃燒放熱率等物理量，可供進一步分析和揭示發動機缸內燃燒過程。And use the results to calculate and analysis the ratio of revolution and rolling and get the relation of the bearing parameter and the ratio of revolution and rolling
在此基礎上，以軸承旋滾比為目標函數，計算、分析高速軸承穩定運轉所需的參數條件與工作條件。Consider to simplifying the process of calibrating dynamic error parameters of accelerometer and shortening the time of calibrating test, all dynamic error parameters are calibrated at one - time, based on the mathematic model of dynamic error of accelerometer and integrating the model and the testing theory of the three - axis turntable, meanwhile, the angle - vibration table is avoided
摘要為了簡化加速度計動態誤差系數的標定過程，縮短標定試驗時間，在建立加速度計動態誤差數學模型的基礎上，結合三軸轉臺模型及測試原理，一次性標定出加速度計動態誤差系數，同時避免了角振動臺的使用。By means of temporary stability of combining drift coefficient of angle sensor and through missile rotating two - position measurement, measuring rotating angle between the two positions by vertical sensitive axis x, and sensing the changes of ground velocity component between the two positions by horizontal sensitive axis and z, the position of the component is determined to realize the azimuth alignment before launch of tactical missile
角敏感元件漂移系數具有短期穩定性，通過轉彈前後兩位置對組合的測試，垂直敏感軸計測轉彈過程中兩位置之間的轉角，兩水平敏感軸敏感計測地速分量在前後兩位置的變化，由此計算出部件當前所在方位，從而實現戰術彈射前的方位對準。It is very difficult to analyze flame radiation in the cylinder of a diesel engine by theoretical method since flame radiation is a function of many parameters, such as the combustion process, the geometrical description of the chamber, the soot formation and oxidation processes, the soot radiant temperature and soot absorption coefficient. the radiant property of the flame in a cylinder is dependent on the combustion process. but the thermodynamic state of real engine cycles can be analyzed from the pressure - volume diagrams in the cylinder. thus a new thermodynamic computational model is set up for the flame radiation in the cylinder of a diesel engine based on the indirect relationship between the flame radiation and the pressure - volume diagram of the combustion process in this paper. the flame radiant heat flux in the cylinder of a di diesel engine is calculated with the variation of crank angle by this model. compared with measured values, the result of the computational values shows the model is available to represent the effects of flame radiation
柴油機缸內的火焰輻射受諸多因素的影響，用理論分析法來確定它是相當困難的，由於柴油機缸內火焰輻射特性依賴于缸內的燃燒過程，而燃燒過程中的實際熱力狀態又可用示功圖來分析，因此藉助於火焰輻射與缸內熱力參數之間的這種間接關系，建立了一種計算柴油機缸內火焰輻射傳熱的新模型，利用該模型對一臺直噴柴油機缸內火焰輻射熱流量隨曲軸轉角的變化情況進行了計算，將計算結果與實測結果進行了比較，表明該模型能較好預測缸內火焰輻射傳熱量。This design is rebuilding its electrical control part, designing an automatic control system with automation technology and single chip computer. after rebuilding the test stand, the oil injection times may be presetted, counted and displayed, then stop counting automatically when count completes in measuring oil volume. the drive shaft rotation speed may be presetted, measured, adjusted and displayed
利用單片機結合自動控制技術設計一套控制系統，對其進行技術改造，實現試驗臺量油時對其噴油次數預置、計數、顯示，計滿后自動停止；主軸轉速預置、測速、調速、顯示。Design method of software and hardware of synchronizer - shaft - angle to digital converting of 2 - phase peak sampling type
二相峰值采樣同步機軸角數字轉換的軟硬體設計Magnetic force pump magnet couplings " universal energy equation is educed by analyzing of demagnetization curve, ways of reverting force calculating are introduced according to the equation when inside magnet rotor have axial direction and radial displacement, circumferential moment of magnetic force has been given, magnetic force pump alnico ' s axial direction length, circumferential length, radial thickness amounts are summarized with the analyses of experiment results
利用退磁曲線法，推導磁力泵聯軸器能量通用公式，導出內磁轉子在軸向偏移和徑向偏置下產生的回復力計算方法，周向傳動轉矩計算方法，結合試驗結果，總結推薦磁力泵磁鋼軸向長度、周向長度、徑向厚度、磁極數設計方法。Introduced the second order analysis of the thin - walled members based on the theory of the rotation of a cross section around a fixed axis, and discussed the general methods of the loading capacity and the space stability coefficient for the thin - walled columns. used a programme, a large amount of space stability coefficient of t - shaped and l - shaped axes columns with a initial bend was computed to gain the curves of the columns. the procedure of the computation behaved the simplification and the convenience of the method
介紹了以定軸轉動理論為基礎的薄壁柱空間穩定二階分析方法，初步論證了以此為基礎的薄壁柱空間穩定承載力的驗算及空間穩定系數的計算方法，並藉助程序對具有初彎曲的各種「 t 」形和「 l 」形軸壓柱的空間穩定系數進行了計算，作出其柱子曲線圖，從而驗證了此方法的可行性和簡便性，同時提出以此為基礎對鋼結構截面優化的方法。The whole programs are composed of main program, the oil injection count module program and the drive shaft rotation speed module program
軟體設計採用模塊化設計方法，整個程序由主程序、噴油計數模塊程序、主軸轉速模塊程序組成。The test stand after being rebuilded can autocontrol the oil injection count and the drive shaft rotation speed, which can be displayed digitally
軟體採用mcs - 51匯編語言進行編程。改造后的試驗臺可以自動控制噴油計數、主軸轉速且數顯。The system adopts modular design. 8031 single chip computer is the core of this system. it includes two module parts : the oil injection count module and the drive shaft rotation speed module. the two modules also include hardware and soft design
噴油計數模塊設計又分為噴油計數模塊硬體設計和噴油計數模塊軟體設計；主軸轉速模塊設計又分為測速模塊軟、硬體設計和調速模塊軟、硬體設計。According to the technique parameter which be put forward by related unit, the author designed the mechanical structure of testing table and choose the drive components and angular measurement components. based on these, the author finished to build all of mechanical table. aimed at the position control of dc motor which drive loading, the author particularly built the mathematic model of three axis dynamoelectric testing turn table
本文根據相關單位提出的轉臺的各項技術參數和指標，完成三軸慣導元件測試轉臺機械臺體部分的工程設計、驅動元件和測角元件的選擇及安裝，參與三軸轉臺機械臺體部分的加工、裝配和調試。分享友人