stress heating 中文意思是什麼

stress heating 解釋
應力加熱
  • stress : n 1 壓力,壓迫,緊迫,緊張。2 【語音】重音;重讀;【詩】揚音;語勢,著重點。3 重要(性),重點,...
  • heating : adj. 1. 加熱的;供熱的。2. 刺激的。n. 1. 加熱;供暖;(建築物的)暖氣裝置。2. 白熾,灼熱。
  1. On the basis of expound the theory of building exterior - protected construction energy consumption and the gene of influence the building energy, set up mathematics model, this article discuss the mechanism of dispelling the heat of the buildings " thermal bridge and the complication that influence it, and then synthetic analysis and calculate the influence range of building thermal bridge in exterior - protected construction column thermal bridge to the building outer wall get the conclusion that when the construction column can satisfy the building stress - area, in bulgy construction column dispel less heating than out bulgy construction column. but if the pole stuck out more than 100mm, in bulgy or out bulgy make no difference

    本文在闡述建築圍護結構耗熱原理以及影響建築能耗因子的基礎上,採用數值模擬方法,探討了建築熱橋傳熱的基本機理和影響建築熱橋傳熱的因素,進而對建築熱橋在圍護結構傳熱中的影響范圍進行了綜合分析和計算,研究了構造柱熱橋型式對建築外墻能耗的影響,得出了構造柱在滿足建築受力面積要求的情況下,內凸構造柱較外凸構造柱略能減少散熱量的結論,但是凸出過大( 100mm )無論內凸還是外凸對建築耗熱都沒有大的差別。
  2. The welding technology of francis turbine runners is optimized from the view of subsection welding and local heating by numerical simulation. the result shows that welding residual tensile stress appears in the weld and its area nearby, and peak stress appears in the dangerous area of blades after practising quondam welding technology ; welding residual tensile peak stress in the dangerous area of blades can be decreased by welding both ends earlier and then welding middle section later during subsection welding, and decreasing effect on welding residual stress of the subsection welding is related to the weld length of blade outlets and welding direction of each subsection ; decreasing effect on residual stress of the local heating is direct proportional to heating time, heating temperature, heating area, and inversely proportional to cooling area, and welding residual tensile peak stress in the dangerous area is decreasing trend earlier, and then increasing trend later with heated location increased

    本文利用數值模擬手段對轉輪的焊接工藝從分段焊和局部加熱兩個方面進行了優化,結果表明:採用普通工藝焊接時,葉片焊后殘余拉應力出現在焊縫及其附近區域,並且在葉片出水邊的熔合線附近(危險區域)出現了峰值;在採用優化的分段焊時,先焊兩端后焊中間的方法可以降低葉片危險區域的焊接殘余拉應力峰值,降低效果與葉片出水邊焊段長度、焊縫各段的焊接方向有關;局部加熱法降低轉輪危險區域殘余應力的效果主要與加熱時間、加熱溫度以及加熱面積成正比,與冷卻面積成反比,並且危險區域的殘余應力隨加熱區域的增大呈先降低后升高的趨勢。
  3. Under self - heating stress, a general degradation in subthreshold characteristic was observed, which is the consequence of defect generation along overall channel

    這主要是由於在自加熱應力下,整個溝道中都出現了缺陷態的產生,從而使器件的亞閾值擺幅發生了退化。
  4. Device degradation behaviors of typical - sized n - type metal induced lateral crystallized polycrystalline silicon thin film transistors were investigated under two kinds of dc bias stresses : hot carrier stress and self - heating stress

    本文主要研究了典型尺寸的n型金屬誘導橫向結晶多晶硅薄膜晶體管在兩種常見的直流應力偏置下的退化現象:熱載流子退化和自加熱退化。
  5. The surface elemental analysis shows that al / o atomic ratio change from about 2 / 3 of not wetted part to about 1 / 1 of wetted part. the damage of coating surface seems to be related to the interaction of outside layer with liquid pb - 17li and thermal stress during heating sample

    未浸潤表面的ai / o原子比約為2 / 3 ,浸潤表面約為1 / 1 ,表明液態鉛鋰合金對滲鋁層表面的al2o3薄層造成了損傷。
  6. The failure analysis of the heating jacket indicates that the austenitic stainless steel 316l is susceptible to stress corrosion cracking under the combined action of chloride environment and residual stresses induced by welding

    結果表明:加熱夾套開裂的主要原因是316l奧氏體不銹鋼不耐氯化物腐性,焊縫有一定的缺陷和腐蝕介質存在,屬於一種典型的應力腐蝕失效形式。
  7. Stress of surface layer of small - diameter birch timber with different heating methods

    不同加熱方式下白樺小徑木鋸材的表層應力
  8. In this paper, the pier - wall models respectively built with steel - fiber concrete and ordinary concrete were tested for revealing their early bebaviors of thermal strain and thermal stress caused by adiabatic heating

    為此進行了鋼纖維混凝土和普通混凝土2個墩墻結構的模型試驗,比較了二者的溫度及溫度變形的特性。
  9. The present situation of energy utilizing in foundry industry was analyzed, the main effective energy saving techniques and their application was described in aspects of melting and heating systems, moulding and core - making processes and equipments, low - stress cast irons, as - cast nodular irons, feeder - less method of nodular reclaiming of cupola gas, and so on

    摘要分析了鑄造行業能源利用現狀,從熔煉加熱系統、造型制芯技術與裝備、低應力鑄鐵、鑄態球墨鑄鐵、球鐵無冒口鑄造、鑄鋼保溫冒口與保溫補貼、沖天爐廢氣綜合利用和余熱回收利用等方面闡述了鑄造行業行之有效的主要節能技術及其應用。
  10. The analysis results show that, the warping and cracking of sintered part which is induced by thermal stress can be efficiently alleviated by optimizing the geometrical structure of the part to be built, enhancing the pre - heating temperature, and well choosing the building substrate

    通過掃描電鏡對燒結樣品分析發現,燒結件的顯微組織為微熔ni顆粒和cusn快速凝固的混合組織,其成形機制為液相燒結。
  11. Experimental study on stain and stress of big - hole sealing head in fire - tube heating boiler

    火筒加熱爐大開孔封頭應力應變試驗研究
  12. Present the experimental research carried out on strain and stress by applying the resistance strain surveying technique to the big hole sealed heads in the new fire - tube heating boilers with the laws of strain and stress distribution obtained and allowable working pressure given because there is no applicable standards or specification for calculating the strength of crude oil heating boiler heads perforated by densely distributed big - holes, which, to a certain extent, hampered the further development of crude oil heating boilers in china, and concludes from experimental results that strain and the stress of circumference are fairly large near the edge of big - hole, and the cross ribs enhance strength of sealed head to a certain degree

    油田火筒加熱爐密集大開孔封頭的設計計算,因沒有相應的強度計算標準在一定程度上限制了我國油田火筒加熱爐技術的發展.採用電阻應變測量技術,對新型火筒加熱爐大開孔封頭進行了應力應變試驗研究,得到了封頭的應變和應力分佈規律,給出了大開孔封頭允許的工作壓力.試驗結果表明,大孔邊緣圓周處應力應變較大,十字筋板對封頭有一定加強作用
  13. Based on g - w contact model, two rough surfaces in contact were simplified to a smooth one and a rough one which has regular rectangular asperities, and a three - dimensional transient thermal and stress coupled fem model was established using thermal - structure sequential coupling. the course of the sliding with friction was simulated using the nonlinear multiphysics field fem, meanwhile considering thermal - elastic problems of the two bodies, to calculate and analyze the temperature, contact pressure and stress of the sliding contact surfaces with frictional heating

    基於g - w接觸模型,將兩個粗糙表面簡化為一個有規則排列的長方體微凸體的粗糙表面與一光滑表面,利用熱結構順序耦合建立三維瞬態有限元計算模型,考慮兩個物體摩擦接觸的熱彈性問題,採用非線性有限元多物理場來實現,對粗糙表面接觸模型的瞬時摩擦溫度場、壓力場和應力場進行了計算分析。
  14. When the recovery stress is low, the stress increase sharply along with heating, and dependence of the stress on the temperature is approximately linear

    當回復力較低時,回復力隨溫度快速上升,呈近似線性關系。
  15. On basis of numerical simulation, the optimized weling technological has been vadidated and adjusted by plane test, results show that residual stress of both ends welded in advance can be decreased by the interspace welded later, and decreasing effect is the most obvious in the 50mm range of the interspace ; for local heating, it is 60mm from the edge of heated area to decrease residual stress

    通過平板試驗得到了分段焊與局部加熱合理工藝參數,並在此基礎上,對轉輪的焊接殘余應力場進行了調整與控制,使葉片出水邊危險區域附近產生了較大的殘余壓應力,且轉輪整體的殘余應力水平低於轉輪材料屈服極限的三分之一。
  16. As the time microscale factor in fast transient high - strength heating or cooling can not been ignored, heat relaxation time is introduced. based on hyperbolic heat conduction equation and kinetic equation added inertia, theoretical analysis and study of stress diffusion and transformation in heat impact process were developed

    考慮到快速高強度加熱或冷卻帶來的時間微尺度因素,引進熱鬆弛時間,以雙曲線型熱傳導方程和考慮慣性力的運動方程為基礎,對熱沖擊過程的應力傳播與變化規律進行了理論上的分析和研究。
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