熱彈性系數 的英文怎麼說
中文拼音 [rèdànxìngxìshǔ]
熱彈性系數
英文
thermoelastic coefficient-
Model sywly - 75 physics high to foam polyethylene insulating, aluminum pipe other conductor coaxial cable suitable for catv backbone project, its interior conductor adopt bastion of iron make aluminium, other conductor adopt aluminum pipe, the two have the same hot coefficient of expansion and modulus of elasticity, woods reduce in cable conductor draw the troubles that are led to the fact
Sywly - 75型物理高發泡聚乙烯絕緣、鋁管外導體同軸電纜適用於catv主幹線工程，其內導體採用銅墻鐵壁包鋁，外導體採用鋁管，兩者具有相同的熱膨脹系數和彈性模數，林減少了由電纜內導體拉拔所造成的故障。Analysis of relation of coefficient of thermal expansion and elastic modulus
熱膨脹系數同彈性模量數學模型分析The results demonstrate that the theory predicted values of compression, bulk modulus, linear expansion, and thermal expansive coefficient of compressed solids are very agreement with the corresponding experimental data. in summary, the error with respect to theory prediction and its causes are pro bably analyzed in detail. the discussion suggests that the function of the phenomenological short - distance repulsive force constant a ( v ) and approximation for anderson - griineisen parameter 5t ( v ) proposed in this paper are valid and applicable in high pressures ( up to loogpa ) and high temperatures ( from debye temperature 0d to melting temperature tm ) for many types of solids
在本文最後一節，為了驗證固體在等壓過程中anderson grhneisen參量乓與體積膨脹的唯象假設：乓久w兀的有效性，及由此假設而推導出來的等壓態方程的廣泛應用性，本論文主要針對十六種堿金屬鹵化物、三種堿性氧化物、三種硅酸鹽礦物質的線膨脹八n 、體積熱膨脹v vo （ n 、熱膨脹系數a （ n 、體積彈性模量肘d等隨溫度的變化作了理論上的預測，且與相應的實驗數據作了比較與分析A new analytical method for the plane elastic or thermoelastic problem on complex multiply connected region based upon the complex potential theory of elastic mechanics built by muskhelishvili. n. i. by combining the theory of sectionally holomorphic function, cauchy model integral, the analysis of the singularity of complex function and riemann boundary problem, the analysis relation between the complex potentials is obtained, and then the problem is transformed into solving an elementary complex potentials equation
I彈性力學復勢理論的基礎上提出一種處理復雜多連通域平面彈性與熱彈性問題新的分析方法，將復變函數的分區全純函數理論，復勢奇性分析， riemann邊值問題與cauchy型積分相結合，求得各分區復勢的解析關系，將問題歸結為一個初等復勢函數方程的求解。The titanium alloy valve is more superior than ordinary steel valve in lighter, smaller thermal expansion coefficient, lower in thermal expansion, fatigue durable, good elasticity, and reduces oil consumption so as to prevent instability while revolving at high speed and obtain perfect performance
鈦合金汽門彈簧比一般鋼閥材質更輕巧、熱膨脹系數小、熱量傳導擴散更低、耐疲勞、彈性佳、減少油耗，以阻止在高速運轉下的不穩定以獲致最完美的性能表現。Ltd. a coupled vibration method on suspended free poles is employed to determine the initial young ' s modulus at elevated temperatures, also the thermal expansion coefficients of fire - resistant steel
通過高溫下的恆溫加載拉伸試驗，得到不同溫度下耐火鋼的屈服強度、極限強度、延伸率、面縮率和應力應變關系，並測定高溫下耐火鋼的熱膨脹系數，採用懸絲耦合共振法測定高溫下耐火鋼的初始彈性模量。Based on the specialization of infrared optical system loading in missile, it proved that optical passive athermalisation technique is a wise choice
根據彈載紅外光學系統工作的特殊性，採用光學被動消熱方法進行實例設計，得出了在? 30 ~ 50范圍內實現環境溫度補償的系統設計參數和評價結果。So this question must be solved at first. a variety of factors which influence cte mismatch induced thermal stresses such as fiber array, temperature dependent material properties, composites fabrication temperature and pressure has been discussed. on the other hand, the temperature gradient induced thermal stresses is also analysed and factors such as heat treatment conditions, composites fabrication temperature and pressure to influence the stresses are investigated
本文首先利用ansys模擬基體材料分別處于理想彈性應力狀態和理想彈塑性應力狀態時，各種因素諸如纖維排布模式、模量等性能參數是否隨溫度變化以及復合材料制備溫度和壓力對熱膨脹系數不匹配誘導熱應力的影響；另外，我們也對溫度梯度誘導熱應力進行了一定的研究，分析了各種熱處理工藝以及材料制備溫度、壓力對它的影響。Exerting the model of two mechanism heat transfer, the formulation for heat transfer coefficient of liquid film which in smooth tube and equipped with spring inserts is given in this paper. heat transfer coefficient is presented which not only has relation to reynolds number, temperature difference, liquid characteristic, but also is greatly influenced by structure parameter of the spring inserts. experiments indicate the heat transfer coefficient of tubes equipped with spring inserts is 25 % higher than smooth tube
實驗表明，傳熱系數和液膜雷諾數、傳熱溫差、料液物性參數利彈簧插入物的結構參數有關，實驗條件下，安裝有彈簧插入物的豎管降膜蒸發液膜側的傳熱系數比光管的傳熱系數可高達25左右，但某些結構參數的彈簧插入物會造成傳熱的惡化。The finite element model of the thermal conductive equation and the thermo - elastic equation in the system consisting of a transparent coating and a opaque substrate is established based on the analysis of the stability of solution and two important parameters, meshing size and time step
摘要在分析了網格大小和時間步長這兩個重要參數和求解穩定性的基礎上，採用有限元方法建立了透明薄膜基底系統的熱傳導方程和熱彈性方程的有限元模型。Second, the thermoelastic coupling vibration of cylindrical shell are discussed by means of the same method. the coupling coefficient, amplitude of temperature, initial displacement, ratio of length to radius and that of radius to thickness are main factors which influence the thermoelastic vibration of cylindrical shell ; the higher the coupling coefficient is, the lower the axial force, the axial stress and the axial moment are
其次，我們用同樣的方法研究了圓柱殼的非線性熱彈耦合振動，主要結論如下：影響圓柱殼非線性熱彈耦合振動的因素主要有耦合系數、溫度幅值、長徑比、徑厚比以及初始位移參數；耦合系數越大，軸向應力、軸向力以及軸向彎矩越小。Based on the heating treatment control system of a spring steel - wire production line in a factory, hubei province, the paper deals with the design of fully automatically monitoring system across its manufacturing process. through research of parameters of temperature control during the period of heating, annealing and tempering in steel wire manufacturing process, the corresponding composite intelligence fuzzy controller is designed. in light with the way of fast heating, a composite intelligent fuzzy controller combined with on - off control & pi control is set up
本文以湖北某鋼絲繩廠彈簧鋼絲熱處理生產線控制系統為依託，論述了整個生產過程的監控系統的設計，通過對該類鋼絲生產中的快速加熱過程、退火、回火等過程中的溫度控制參數的研究，設計了相應的智能型復合模糊控制器，根據快速加熱過程的實現方式，對于快速反應的被控對象，給出了以模糊控制為基礎的結合開關控制、 pi控制的快速升溫，且不超調的一種智能型復合模糊控制器，對于退火、回火等工藝過程，採用電加熱方式，該類工藝過程作為控制對象屬于具有純滯后的大慣性系統，作者設計出模型預測自適應模糊控制器，並對所設計的控制器進行計算機模擬實驗，取得了滿意的效果。Metal matrix composite had begun to develop early in 1960s, and became one new branch in the field of composite. among them, the aluminum based matrix developed especial quickly, because it has many merits compared with other metal, such as light weight, specific strength and shear strength, low coefficient of thermal expansion, high young ' s modulus, better thermal stability and temperature conductivity
金屬基復合材料在六十年代開始有了較快的發展，成為了復合材料領域的新支，其中，鋁基復合材料的發展尤為迅速，因為它具有重量輕、比強度高、剪切強度高、熱膨脹系數低、高的彈性模量，良好的熱穩定性、導熱性能等一系列優點。分享友人