cylinder scoring 中文意思是什麼
cylinder scoring
解釋
拉缸-
This achievement creatively improves the traditional research on the problem of cylinder scoring which is conducted mainly by experiment and experience to a new step of numerical simulation
這一研究成果使傳統上以實驗研究和運轉經驗為主的拉缸問題研究提高到了一個數值模擬的層次，具有首創性。 -
And the case analysis on 6240 type diesel engine suggested that not only the phase angle of 0. 5 order torsional vibration can be used to diagnose the cylinder - scoring number, but also the amplitude can reflect the fault degree
對6240柴油機的實例分析表明，不僅可以利用0 . 5諧次扭振相位角準確判斷出內燃機拉缸缸號，還可利用其幅值反映拉缸故障程度。 -
For the first time, it puts forward a conception of. thermal dynamic simulation and sets up a supposed analytical theory for scuffing failure and cylinder scoring of piston assembly and cylinder liner. that is followed with the simulation of scuffing failure and cylinder scoring of internal combustion engine under the condition of stopping cooling water supply and over loading
首次提出了熱動態模擬的概念，第一次大膽假設了活塞組、缸套擦傷、拉缸時的分析理論，模擬出了在中斷冷卻水和超負荷狀態下柴油機的擦傷、拉缸。 -
Then the cylinder scoring malfunction of internal combustion engine is introduced briefly. it refers to the main content of this thesis, and the researching significance and purpose are indicated
然後簡要介紹了內燃機的拉缸故障，提出了本文研究的主要內容，並指出了研究的目的及意義。 -
Two models of friction are proposed, the simulation results show together : kurtosisness of torsional vibration will decrease, low harmonic and main harmonic of torsional vibration will increase when cylinder scoring
創造性地利用了扭振信號診斷柴油機拉缸故障。拉缸時，由於摩擦阻力的增大，發動機噴油量達到最大。 -
Also a special diagnosis system for the cylinder scoring malfunction of internal combustion engine has been briefly set up. it realizes the numerical simulation of bi - dimensioned and tri - dimensioned cycling instantaneous temperature field for the diesel engine type 4135 and the simulation animated demonstration of the thermal deformation and cylinder scoring malfunction
並且還初步建立了內燃機拉缸故障診斷分析型專繫系統，實現了4135柴油機二維、三維循環瞬態溫度場的數值模擬、熱變形和拉缸故障的模擬動畫演示。 -
According to the relational expression of torsional vibration of the measuring point on crankshaft and the excited moment of each cylinder of internal combustion engine ( ice ), the working condition of each cylinder was monitored and the fault of cylinder - scoring was diagnosed using the amplitude and phase characteristic of 0. 5 order torsional vibration
摘要依據內燃機軸系測點扭振與各缸激振力矩的關系式，利用0 . 5諧次扭振的幅值與相位特性，進行內燃機各缸作功狀態監測和拉缸故障診斷。 -
The extremely harsh working conditions directly result in high thermal and mechanical loads in diesel engines " piston assemblies, and so due to high stress it becomes one of the most vulnerable components assembly in diesel engine. piston assemblies " failures such as cylinder sticking, scoring, gumming, etc., greatly limit diesel engines " durability and reliability
由於長期工作在惡劣的環境下，柴油機活塞組要承受很高的熱負荷和機械負荷，這些負荷所產生的高綜合應力影響了它的使用壽命，其可能導致的咬缸、拉缸、結焦等故障極大地危害了柴油機整機的耐久性和可靠性。
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