compression constant 中文意思是什麼

compression constant 解釋
壓縮常數
  • compression : n. 1. 壓縮;壓緊;濃縮,緊縮。2. 加壓;壓抑。3. (表現的)簡練。4. 應壓試驗。
  • constant : adj 1 恆定不變的,固定的,穩定的,恆久的;繼續不斷的。2 不屈不撓的,堅韌的。3 忠實的,有節操的。n...
  1. While cyclic deformation experiment under constant strain control is performed in 400, the material shows the continuous hardening until cyclic invalidation. ( 3 ) back stress attained by kwl " s method is used to analyse the bauschinger effect during an incremental step cyclic test and cyclic deformation test under constant strain control, it is shown that back stress increases with increasing plastic strain and the numbers of cycle, and the back stress is uniform, regardless of tension or compression conditions. ( 4 ) as far as recrystallized zircaloy - 4 plate is concerned, the back stress in transverse direction is higher than that in rolling direction due to the higher schmid factor in rolling direction

    對于再結晶狀態的zr一4合金板材試樣來說, t方向(橫向)試樣的背應力要高於r方向(軋制方向)的背應力,原因在於r方向的schmid因子高於t方向的schmid因子; 400下, zr一4合金的背應力要明顯低於室溫下的背應力;含氫200pg / g的zr一4合金的背應力大小與無滲氫的zr一4合金背應力相比,無明顯區別;固溶處理后, zr一4合金的背應力大小發生了變化,在較高塑性應變下,背應力均高於固溶處理前的背應力。
  2. ( 5 ) fatigue tests of concrete specimens under biaxial compression while subjected to constant lateral stresses are conducted

    ( 5 )進行恆定側壓砼雙軸壓疲勞試驗。
  3. The result indicates that in the case of constant content of asphalt, marshall stability, compression strength, rupture strength, compression modulus and rupture modulus of cement emulsified asphalt concrete would increase along with the increase in cement content ; in the case of constant content of cement, these index values would decrease along with the increase in asphalt content ; while with the increase of coarse aggregate, rupture strength and rupture modulus of the concrete would increase conspicuously, yet compression strength and compression modulus would have a little change

    試驗結果表明:在乳化瀝青含量不變時,隨著水泥用量的增加水泥乳化瀝青混凝土的馬歇爾穩定度、抗壓強度、抗折強度、抗壓回彈模量、抗折回彈模量隨之增加;在水泥用量不變時,隨著乳化瀝青用量的增加相應的力學指標呈降低趨勢;礦料級配中粗集料含量增加后,混合料的抗折強度和抗折回彈模量有明顯增加,但抗壓強度和抗壓回彈模量變化不大。
  4. Abstract : in this study distributions of block compression force on the driving and driven pulleys were measured using a ting load - cell inserted between two blocks and a telementer system, under several constant speed ratios

    文摘:本研究採用超小型測力儀插入兩推塊和遙測裝置之間在幾種固定速比下測量主動和從動帶輪上推塊壓縮力分佈。
  5. Constant entropy compression

    等熵壓縮
  6. This program can work out some changes made by the operation of wet compression, such as the maximal mass of water spray, the temperature in the outlet of supercharger, and the consumed energy by the supercharger. in addition, this thesis gives the definition of efficiency of wet compression when the entropy of compressed air keeps constant, and it can be the standard for the study of wet compression

    本文首先對增壓柴油機濕壓縮研究的主要部分? ?壓氣機,建立濕壓縮的數學模型,從理論上分析濕壓縮的最大噴水量,壓氣機出口溫度,壓氣機耗功等變化情況,並給出了等熵濕壓縮的定義,為濕壓縮研究建立了比較標準。
  7. 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
  8. Thermodynamic couple numerical simulation of ring compression of pure aluminum and tube extrusion of superalloy gh4169 is done by adopting the constant friction model and the present friction model in the paper. numerical results are compared with experimental investigations to validate the correction and nicety of the present friction model of bulk metal forming processes. the accuracy of the finite element simulation of bulk forming processes can be improved by adopting the present friction model

    採用二次開發msc . superform軟體,對純鋁圓環鐓粗和高溫合金gh4169管材擠壓過程進行了熱力耦合數值模擬,比較了採用本文提出的多因素摩擦模型和常摩擦模型對圓環鐓粗和管材擠壓過程變形行為的影響,通過與實驗結果的比較,驗證了本文的摩擦模型及其參數值的正確性,也說明了多因素摩擦模型提高了有限元模擬的精度。
  9. Standard test method for compression resistance of a container under constant load

    長期負載下集裝箱耐壓性的標準試驗方法
  10. In the research related to compression property theory, a constant related to the vertical stiffness of nrb and lrb has been found respectively, which is defined as compression stiffness factor. the simplified calculation theory of vertical stiffness is established based on stiffness factor

    在壓縮特性理論相關的研究中,發現並找到了天然橡膠和鉛芯橡膠隔震支座豎向剛度相關的一個常數,並將其定義為壓縮剛度因子,基於剛度因子建立了豎向剛度簡化計算理論。
  11. . rubber - tensile, flexural and compression test equipment constant rate of traverse - specification

    橡膠.拉伸彎曲和壓縮試驗設備
  12. Rubber and plastics test equipment - tensile, flexural and compression types constant rate of traverse - specification

    橡膠和塑料的試驗設備.拉伸彎曲和壓縮型橫動的速率.規范
  13. Standard test method for short term creep performance of corrugated fiberboard containers under constant load using a compression test machine

    用壓縮試驗器測試恆定負荷下波面纖維板容器的短期蠕變性能的標準試驗方法
  14. The program fearpv is applied to analysis the sealing structure of the pressure vessel model during the total process, including bolt pretensioning process, heating and compression process, thermostated heating and constant pressure process, and the cooling and decompressing process

    應用反應堆壓力容器瞬態密封有限元分析程序對反應堆壓力容器模擬體密封結構進行了螺栓預緊、升溫升壓、恆溫恆壓、降溫降壓等全過程分析。
  15. The program fearpv is applied to 3 - d transient sealing analysis of nuclear pressure vessel during the total process, including bolt pretensioning process, heating and compression process, thermostated heating and constant pressure process, and the cooling and decompressing process. according to the analysis and computational results in this thesis, although the actual structure and work conditions of the pressure vessel in nuclear power station are much more complex than that of the pressure vessel model, the program fearpv still can get quite good convergence on the plasticity and

    由本文分析計算可知,雖然電站核壓力容器的結構及計算工況較壓力容器模擬體復雜得多,然而反應堆壓力容器瞬態密封有限元分析程序對塑性迭代和接觸迭代仍具有很好的收斂性,數值穩定性好,得到的結果具有良好的規律性,在升溫、升壓、恆溫、恆壓、降溫和降壓等過程中其規律和壓力容器模擬體基本相似。
  16. Packaging test ; compression test ; test with a constant conveyance - speed

    包裝檢驗.壓緊檢驗.用恆定傳送速度檢驗
  17. . rubber and plastics test equipment. tensile, flexural and compression types constant rate of traverse. description

    橡膠和塑料試驗設備.抗拉抗彎和抗壓型
  18. Finally, the two dimensional flow in the diffuser is calculated, the results show that the change of ma makes an effect to the performance of the diffuser. owing to the accretion of ma, the action of oblique shock waves and the boundary layer pricks up, the flow separates from the wall where the shock waves impinge on the boundary layer more quickly, the cluster of diamond shock waves becomes larger. moreover, by comparing the change of flow field under different structure parameter, it is found that the augment of length of constant area section alter the structure of fluid field little, a smaller area ratio and larger angle of compression section make the diffuser working better

    最後,針對擴壓器中的二維流場進行了數值模擬,結果表明馬赫數對擴壓器性能影響較大,隨著馬赫數的增大,擴壓器管道內激波-附面層干擾加劇,流動從附面層分離相應加劇,激波串數目增多;通過比較不同結構參數下的擴壓器內流場,發現等直段長度的變化幾乎沒有改變流場結構,只是對局部流場稍有影響,並且在其它參數不變的情況下,一定范圍內減小面積比a2 / a1和增大收縮角有利於擴壓器性能的提高。
  19. Merely the fatigue strength in uniaxial tension or compression under constant - amplitude cyclic loading is given in the existing design code. the design result by using the fatigue strength in the code is apt to conservative under variable - amplitude or triaxial cyclic compression loadings, but sometimes apt to dangerous in uniaxial or triaxial tension - compression fatigue loadings

    現行規范中,僅有混凝土單軸、等幅波動拉伸和抗壓強度指標,採用這些指標進行設計,會導致設計結果有時偏於保守,如變幅及多軸壓疲勞;而有時又偏於危險,如單軸及多軸波動拉-壓疲勞。
  20. The constant strain - rate experimentation is probed as a new experimental technique in the course of dynamic experiment. this technique got application in the experiment of wmo compression experiments and obtained the preferable raw data and experiment results

    在動態試驗過程中,探索恆應變率試驗的新試驗方法,該方法在鎢鉬合金動態試驗中得到成功應用,獲得了更好的原始數據和試驗結果。
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