熱阻體 的英文怎麼說

中文拼音 []
熱阻體 英文
thermistor
  • : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
  • : 體構詞成分。
  1. Heat sink for power semiconductor device part 2 : measuring method of thermal resistance and input fluid - output fluid pressure difference

    電力半導器件用散器第2部分:和流測試方法
  2. We select ni / cr alloy resistor as element together with ceramic embedding hearth ; select small flat - and - disc heat - even hubby ceramic sample holder, select ni / cr & ni / si thermoelectric couple ( type k ) as thermoscope with threads 0. 5 mm in diameter which is installed in the middle of the holders symmetrically ; select aluminum silicate fire - retardant fiber as materials for heat preservation ; design some hardware, for example temperature controller & transporter, signal amplifier etc ; design controlling curve to heat stove ; and introduce the method of least squares nonlinear regression and subsection function to deal with data. in order to obtain the reasonable operation conditions and operation curve, we have also done many theory analysis and experiment discussions

    通過理論和試驗探討,選用鎳鉻合金電絲作為加元件,配以陶瓷質埋入式爐膛;選用陶瓷質小尺寸扁平?圓盤均型樣品支持器;選用0 . 5mm絲徑鎳鉻?鎳硅電偶( k )作為測溫元件;電偶對稱安置在樣品支持器容器的中部;選用硅酸鋁耐火纖維作保溫材料;合理選用和設計了溫度控制器、溫度變送器、信號放大電路等硬;採用升溫曲線來控制爐膛供過程;採用最小二乘法非線性回歸與分段函數相結合的曲線模擬方法,進行圖形處理。
  3. The heating response curves of temperature rise and thermal resistance of semiconductor power emitting - lighting diodes are obtained according to electrical methods

    摘要通過電學測量方法得到了半導功率發光二極溫升與的加響應曲線。
  4. As we all know, occupants " thermal sense is mainly dependent on the six factors : inside air temperature, humidity, air velocity, mean radiant temperature, clothing and metabolism rate. the traditional hvac control system, neglecting other factors concerned with human comfort, only considering the inside air temperature and air humidity and indirectly impacting on occupants by the two parameters control, cannot satisfy the comfort requirement of occupants and is energy wasting as well

    傳統的空調控制系統以室內空氣的溫濕度作為控制對象,而實際上影響人舒適的因素不僅包括溫度與濕度,還有風速、平均輻射溫度、人的衣著和人的新陳代謝率,人對環境的冷感受是這些因素綜合作用的結果,因此在很多時候系統並不能滿足人舒適的需要而且節能性較差。
  5. In this paper, the thermal insulation of cotton fabrics under wet condition is studied, that helps better understand the variation of thermal insulation of clothing when human body is sweating

    摘要對潤濕狀態下織物的研究,能更好的了解人顯性出汗后服裝的變化。
  6. For connective heat transfer augmentation, the field - coordination equations are given and theoretically proved to achieve the optimal heat transfer performance at a constant flow resistance

    對于對流換強化,提出並理論證明了場協同方程是控制著流動力一定下傳性能達到最優時的速度場。
  7. The result of the calculation for tip clearance is reasonable when it is compared with theory. two ways are put forward for convention of dimension of the turbine components from high temperature to low one, which is related with tip clearance, a simple example is used to illuminate that the two ways are useful, using the method of design optimization, axiisk and a blade of a certain turhine is analysed, it showes that the method of design optimization is feasible to be used for convertion of dimension of the turbine components. finally, ansys software is used to analyzed the variation of tip clearance with the method of cyclic symmetry analysis when engine works under the conditions of temperature and rotational speed, am using a new method to deal with thermal contact resistance in the calculation

    本文完善了計算渦輪葉尖間隙的簡化演算法程序,增加了程序的計算功能,並將其應用於某高壓渦輪進行葉尖間隙分析,所得結果與理論結果進行了對比,得出修改後的程序用於葉尖間隙計算是合理的;同時提出了與葉尖間隙相關的渦輪典型部件的冷、態的尺寸兩種換算方法,使用優化設計的方法進行了實例分析,說明了所提出的計算方法是可行的;最後應用ansys有限元軟利用循環對稱的方法分析了某型發動機高壓渦輪在溫度場及離心力作用下的葉尖間隙在發動機工作過程中變化情況,並分析了計算中的接觸的處理問題。
  8. The thermal - wet comfort proprties of textiles under the conditions that the environment temperature is higher than that of human body ( called “ reverse temperature field ” ) are examined in this paper. four quanties ( i. e. equivalent thermal resistance, thermal resistance, resistance to water vapour transmission and air permeability ) were suggested as the physical indexes of thermal - wet comfort properties of textiles under this condition. their special meanings under this condition were explained also. the colthing microclimate testing meter was used to determine the indexes of seven different kinds of textiles. the statistical analysis was applied to analyse the relationship between these indexes and the results from wearing - clothing test. some elementary results were obtained

    研究了在環境溫度高於人表溫度(稱逆溫差)條件下,服裝用織物的濕舒適性能,提出使用當量、濕及透氣率作為在此條件下織物的濕舒適性物理指標,指出了在此條件下其特殊含義.並且用織物微氣候儀測試了此條件下7種織物的濕舒適性指標,與對比穿著試驗的結果進行了分析,得出了一些初步規律
  9. Cement type is sealed with special non flame cement in the ceramic package

    水泥型電是把繞線電放入瓷器框內,用特殊不燃性耐水泥充填密封而成。
  10. This paper also gives an example to illustrate how to establish the thermal model based on experiments and, finally, the application of thermal simulation software is analyzed

    最後本文給出了一個用實驗法測量變壓器三個值的實例,並分析了模擬軟在建立模型中的應用。
  11. Firstly, wall ’ s transfer matrix is deduced by laplace transformation based on 3r2c thermal network model. secondly, frequency response of transfer matrix is calculated. thirdly, we make the frequency response of transfer matrix of stimulation model equate the theoretical frequency response of wall transient heat conduction by applying appropriate identification algorithm, from which we can obtain every polynomial ’ s coefficient of model transfer function, then each parameter of resistance and capacitance is calculated by appropriate optimization algorithm

    首先,根據模擬流網路模型用拉普拉斯變換推出墻的傳遞矩陣;然後,計算傳遞矩陣的頻率響應;最後,採用頻域回歸方法求出模型傳遞函數各次項的系數,進而通過一定的優化演算法確定模型的各個容參數,使通過模型建立的多項式s -傳遞函數與墻瞬時傳的理論超越s -傳遞函數完全等價。
  12. On - line monitoring of hvcb is the precondition of predicting maintenance, is the key element of reliable run, and is the important supplement to the traditional off - line preventive maintenance in fact, the faults are made by hvcb, no matter in number or in times, is over 60 % of total faults so it has determinative importance for improving the reliability of power supply and this can greatly decrease the capital waste used by - dating overhaul in this paper, the inspecting way of hvcb mechanism characteristic is discussed the concept of sub - circuit protector is presented, the scheme that we offered has been combined with sub - circuit integrality monitoring theory, to ensure that it has the two functions as a whole according the shut - off times at rated short circuit given by hvcb manufacturer, the electricity longevity loss can be calculated in each operation, and the remained longevity can be forecast too an indirect way for calculating main touch ' s temperature by using breaker shell temperature, air circumference temperature and breaker ' s heat resistance is improved in this paper, and main touch resistance can be calculated if providing the load current msp430, a new single chip microcomputer made by ti company, is engaged to develop the hardware system of the on - line monitoring device, and special problem brought by the lower supply voltage range of this chip is considered fully

    高壓斷路器所造成的事故無論是在次數,還是在事故所造成的停電時間上都占據總量60以上。因此,及時了解斷路器的工作狀態對提高供電可靠性有決定性意義;並可以大大減少盲目定期檢修帶來的資金浪費。本文論述了斷路器機械特性參數監測方法;提出了二次迴路保護器的概念,並將跳、合閘線圈完整性監視和二次迴路保護結合起來,給出具有完整性監視功能的二次迴路保護器實現方案;根據斷路器生產廠家提供的斷路器額定短路電流分斷次數,計算每次分閘對應的觸頭電壽命損耗,預測觸頭電壽命;提出根據斷路器殼溫度和斷路器周圍空氣溫度結合斷路器來計算斷路器主觸頭穩態溫升的方法,並根據此時的負荷電流間接計算主觸頭迴路的電;在硬電路設計上,採用美國ti公司最新推出的一種功能強大的單片機msp430 ,並充分考慮該晶元的適用電壓范圍給設計帶來的特殊問題;在通信模塊的設計中,解決了不同工作電壓晶元之間的介面問題,並給出了直接聯接的接線方案。
  13. In this paper, we measured the thermal resistance of multi hole brick, designed external insulation wall and calculated the thermal resistance and the thickness of insulation mortar, which can save energy by 50 % in lianyungang

    試驗測定了連雲港地區幾種多排孔封底砌塊的,並在此基礎上設計和計算了寒冷地區節能50 %的幾種外保溫復合墻及聚苯顆粒保溫砂漿厚度。
  14. The influence of fouling on the thermodynamic performance of shell heat exchanger and its design calculation is analyzed, and the choice of estimation method of fouling heat resistance and fluid flow mode is discussed

    摘要分析了污垢對管殼式換器的動力性能及換器設計計算的影響,討論了污垢估算方法和流流動方式的選擇。
  15. Industrial - use metallic thermometers, thermocouples, resistance thermometer bulbs, heavy electrical - use protection equipment, pressure meters, protecting tubes and related equipment

    工業用金屬溫度計電偶測溫電重型電機用保護機器壓力表保護管及相關機器。
  16. According to heat transfer and hydrodynamics, the thermal flow dynamics and the thermal resistance microchannel heatsink are analyzed

    根據傳學和流力學理論,本論文對微通道沉進行了流模型分析,理論推導了微通道沉的
  17. ( 2 ) thermal resistance model and cfd are used for thermal design of some air - cooled solid - state module. among these thermal resistances, convective and spreading resistances are emphasized

    ( 2 )針對某風冷固態組件的散需求,利用模型和流計算動力學( cfd )數值模擬技術分析和設計了散器。
  18. Since the company began to resrerch and make radiators in 80 ' s last century, domestically advanced production lines have been adopted in the production. we sim at 100 % conformity of heat impedance performance curve with the testing standards stipulated in st2564 - 85 standard book of " profiled material raditors " which is promulgated by ministry of electronic industry of people republec of china. the radiators are matching heat - radiating components for power semiconductors, generally can be applied to fields of large and small power appliances, hi heat current density utensils, whole - set apparatus, electuonics and electrical devices, etc

    本公司自八十年代初研製生產散器系列產品以來,採用國內最先進的生產流水線,工藝精湛,其特性曲線均按中華人民共和國電子工業部標準st2564 - 85 《型材散器》規定的檢測方法,百分之百達到設計要求,是功率半導器件的配套散元件,運用於多種大、小功率電器流高密度、整機設備、電子,電器等領域。
  19. The article put forward an extinguishing method by use of gas and heat obstruction on the surface in oil pools according to the control process of fire continuance and development

    摘要根據油池火災燃燒的持續和發展的控制過程,提出了一種液面氣隔滅火方法,並針對該滅火方法開發研製了一種隔固浮子及其滅火散料。
  20. A maximum of three aux. contact blocks available

    M型:三組熱阻體
分享友人