粘度溫度模數 的英文怎麼說
中文拼音 [niándùwēndùmóshǔ]
粘度溫度模數
英文
viscosity-temperature modulus- 粘 : 粘動詞(粘附) glue; stick; paste; adhere to; bond
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 溫 : Ⅰ形容詞(不冷不熱) warm; lukewarm; hot; gentle; mild Ⅱ名詞1 (溫度) temperature 2 (瘟) acute ...
- 模 : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
- 數 : 數副詞(屢次) frequently; repeatedly
- 溫度 : [物理學] temperature
- 模數 : [物理學] modulus; module; modulo; mod
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Theoretical analysis and computer simulation studies show that performance comparable to that of electro - control active damping suspension systems can be achieved with the hydraulic network model which can self - adaptingly adjust the damping of suspension to realize the optimal control by virtue of response of vehicle. in chapter 5, the effects of time - variant factors in the new active damping suspension system on reduction are investigated
第五章研究了主動阻尼系統中的時變因數對減振系統的減振效果的影響(包括路況、車速、載重阻尼油的粘度系數隨油溫變化而引起的變化,油液的彈性模量等) ,並分析了模型簡化時一些被忽略的非線性因數對系統性能的影響。Abstract : thermally induced stress and the relevant warpage cause by inappropriate mold design and processing conditions are problems that confounded the overall success of injection molding. a thermorheologically simple thermoviscoelastic two - dimension material model is used to simulate the residual stress and warpage within injection molded parts generated during the cooling stage of the injection molding cycle. the initial temperature field corresponds to the end of the filling stage. the fully time - dependent algorithm is based on the calculation of the elastic response at every time step. numerical results are discussed with respect to temperature and pressure
文摘:不均勻的熱殘余應力及其變形是注塑成型加工中常見的工程問題之一.應用熱流變簡單材料的二維熱粘彈本構方程得到的遞推公式,數值模擬了成型中的熱殘余應力及其翹曲變形,並用數值實驗討論了溫度、壓力對注塑件殘余應力及變形的影響,發現溫度變化不均勻是注塑件翹曲變形的最主要原因,其影響遠大於壓力的作用,與工程實驗的結論一致During the temperature fields, the results indicate that the processing parameters such as the extrusion velocity, casting temperature, perform preheating temperature, die preheating temperature and so on are important for the temperature fields besides the dwell time. they are must be in concordance each other to the deforming zone is in the quasi - solid state, and the stable semi - solid extrusion is implemented. during the deforming fields, the hyperbolic sine thermo - rigid - viscoplastic fem model is selected according to the forming feature of the process, and the variations of the stress - strain fields are studied
在溫度場的模擬中,模擬結果表明,保壓時間是影響製件成形質量的關鍵因素之一,擠壓速度、液態金屬澆注溫度、預制體預熱溫度和模具預熱溫度等工藝參數對溫度場的影響也很大,需進行參數之間的協調,只有當變形區內部始終維持準固態時,才能實現穩定的液-固擠壓成形過程;在變形場的模擬中,根據液態浸滲擠壓的成形特徵,選用了雙曲正弦剛-粘塑性有限元計算模型,研究了變形過程中應力應變場的變化規律,研究了模角對變形和金屬流動的影響及變形力的變化過程和其影響因素。The effects of ssc ( small - scale sub - lithospheric convection ) on seafloor topography are investigated by formulating a 2d thermal convection model that is parallel to plate motion
摘要根據建立的垂直於大洋中脊的二維熱對流有限元數值模型,採用常粘性以及與溫度相關的粘性兩種粘性結構對小尺度地幔對流對海底地形的影響進行了重新研究。We also found that the rheological behavior of single layer gmt is isotropic. temperature and pressure method has great affection on the distribution of the fiber. second, we measure the pressure change under different molding rate and use extensional viscosities model and shear force model to analysis the data
研究表明: gmt材料具有很好的充模流動性,流動過程中纖維氈保持一個整體; gmt材料擠壓流動行為表現為各向同性;溫度、壓力制度對纖維的均勻分佈影響很大: 2 )通過測量不同合模速率下壓力變化,採用拉伸粘度模型( extensionalviscositiesmodel )和純剪切流動模型( shearforcemodel )對數據進行分析,導出了描述gmt材料宏觀行為的流變學參數。In this thesis, through the technique ' s of compressing molding, the processing parameter and the mixture ratio of magnetic powder on magnetic properties of four kinds of binary composite bonded magnets ( ndfeb alnico ferrite smco ) were studied. the experiment results were analyzed by the method of polynomial fit. the following major achievements were attained
本文採用模壓成型工藝對常見的四大永磁材料? ?釹鐵硼、鋁鎳鈷、鐵氧體、釤鈷進行了兩兩復合粘結,研究了工藝參數及磁粉配比對磁性能和溫度系數的影響,並通過計算機軟體進行擬合分析,得到了如下主要結果。Furthermore, the temperature fields of the radial - thrust floating ring hybrid bearing which includes the lubricant inertia item is stud ied for the first time, the reynolds and energy equations are derived, the relationship between viscosity and temperature as well as the boundary condition of pressure and temperature are developed
此外,本文還首次對考慮慣性項下該動靜壓軸承的溫度場進行了理論研究,建立了數學模型,導出了該浮環動靜壓軸承徑向部分、推力部分的能量方程、雷諾方程以及粘溫關系、壓力、溫度邊界條件等。For a specified compaction and temperature cure cycle, the model was used to predict the resin flow front, the pr essure distribution and temperature profile of the assembly, which can be used to optimize the rfi process
通過對不同工藝參數(壓力制度、溫度制度等)下成型過程的模擬,分析預測了樹脂流動行為、前沿位置和充模時間;製品和模具內的溫度分佈以及樹脂粘度和固化度的變化。The results show that the ssc can cause the topography flattening only in constant viscosity model ; for the model with temperature - dependent viscosity, although the ssc enhances the surface heat flux, it has little effects on topography
數據結果顯示,在常粘性模型中,小尺度地幔對流可造成海底地形抬升;但對與溫度相關的粘性模型,小尺度對流對地形幾乎不產生影響。分享友人