air displacement 中文意思是什麼

air displacement 解釋
排氣集氣
  • air : n 1 空氣，大氣。2 天空，空中。3 微風，和風。4 態度，樣子，風度，氣派；〈pl 〉高傲的架子。5 傳播，...
  • displacement : n 1 轉位，移動；取代，置換；（人的）流離失所。2 撤換，免職。3 【機械工程】（活塞）排氣量；【航海...
  1. A displacement ventilation system was provided, it can form the " air layer " at the bottom of room so that resistance dewiness air meet directly the cold floor surface

    本文採用房間下部送風的方式，使之形成地面「空氣湖」 ，阻隔潮濕空氣與室內地板表面的直接接觸。
  2. The former includes air - bearing table system, rolling base driving system, angular displacement sensing system, and two foldable flexible plates with piezoelectric patches bonded ; the latter includes sensing signal processing and actuation signal generating circuits, and computer system composed of pc and two tms320f240

    整個控制系統的處理器是一個由兩塊tms320f240和586微機組成的主從復合系統，通過對計算負荷的合理分配，有力地保證了控制的實時性。
  3. Intake filter silencers for displacement air compressors

    容積式空氣壓縮機進氣濾清消聲器
  4. Numerical simulation of airflow in air conditioning rooms with displacement ventilation

    置換通風空調房間氣流組織的數值模擬
  5. On this basis, puts forward a kind of scheme and idea of displacement ventilation using in high - speed railway air - conditioned car, makes numerical simulation on the flow field of the car and calculates the pmv value of the typical section

    在此基礎上，提出了下送風用於高速列車空調的一種方案和構想，並對設計方案的流場進行了數值模擬與典型斷面的pmv值計算。
  6. Specification for testing of positive displacement compressors and exhausters - methods for simplified acceptance testing for air compressors and exhausters

    容積式壓縮機與排氣機的試驗.第2部分:空氣壓縮機與排氣機的簡化驗收方法
  7. Our main products are plate heat exchanger, unit heat exchanger, spiral heat exchanger, displacement heat exchanger, air radiator, welded plate heat exchanger, shell and tube heat exchanger, heat exchange boiler, etc

    公司主要產品有板式換熱器、換熱機組、螺旋板式換熱器、容積式換熱器、空氣散熱器、釬焊板式換熱器、全焊板式換熱器、列管式換熱器、全自動換熱開水器等設備。
  8. In this paper, we have discussed the influences of supply air temperature, supply air quantity, supply air turbulence, as well as mixing ratio of supply unit. all of above parameters are important for the extension of the adjacent zone. consideration of all the parameters is essential for a good system design which can ensure the advantage of displacement ventilation

    本文研究了各種送風參數對鄰接區的大小的影響，結果表明：送風溫差、送風量、送風湍流度以及送風口的摻混量等因素對其都有重要影響，在設計時必須仔細平衡這些因素，確定合適的送風口和送風參數，才能使設計更加合理，充分發揮出置換通風系統的優勢。
  9. Abstract : according to the characteristics of solid - liquid two - phase flow, the equation of motion and the equation of continuity for hammer computation are deduced in this paper. the equations are applied to analyze the effect of different prevention deveces used to relieve water hammer pressure in pipeline transport with displacement pumps. it is concluded that the air vessel and pressure relief valve are better than other devices

    文摘:本文針對固液兩相流的特點，建立了水擊計算的運動方程及連續方程，並採用新方程對礦山常採用的容積泵輸送中使用的儲氣罐、泄壓閥、緩閉逆止閥等減緩水擊壓力的防護措施進行了計算分析，得出儲氣罐、泄壓閥減壓效果最好的結論。
  10. Displacement ventilation also has higher energy using ration than other supply air systems, ie it has higher temperature effectiveness, and that displacement ventilation system always has part quantity of heat lying upside area of room, air supply outlet lies at low side, supply air direct come into workaround, and only absorb heat and humid of workaround, assure satisfaction of the design conditions of workaround

    對于置換通風其節能性也優于其它的送風方式，即其溫度效率高，而且置換通風總有部分熱量處于房間上部區域，送風口設在低部，送入空氣直接進入工作區，只是吸收了工作區的熱、濕量，保證工作區的氣象參數滿足要求。
  11. Research on displacement ventilation of indoor air quality and saving energy

    置換通風條件下室內空氣品質研究
  12. Since the 1980s, with the developing of air - condition technology, men begin thinking much of room condition quality, displacement ventilation has been given a good favour for its higher ventilation effectiveness and air exchange efficiency

    二十世紀八十年代以來，空調技術的發展開始對室內環境質量有了足夠的重視，置換通風因其較高的通風效率和換氣效率而受到人們的青睞。
  13. Indoor air quality and displacement ventilation

    置換通風與室內空氣品質
  14. Displacement ventilation and indoor air quality

    室內空氣品質與置換通風
  15. Petroleum and natural gas industries - rotary - type positive - displacement compressors - part 2 : packaged air compressors oil - free

    石油和天然氣工業.旋轉式正排量壓縮機.第2部分:封裝空氣壓縮機
  16. Based on the characteristics of the membrane structures, wind - induced nonlinear coupling dynamic response analysis which can be applied to closed membrane structures is developed and the added air mass the pneumatic stiffness and the acoustical damping of the closed membrane structures are deduced. applying the method to an aeroelastic model of wind tunnel test, the displacement the velocity and the acceleration of corresponding prototype structure in time domain are obtained

    本文針對封閉式薄膜結構和敞開式薄膜結構推導了全新的非線性流固耦合風振響應公式，其中耦合因素包括附加空氣質量、氣承剛度和聲致阻尼以及相對運動速度，並將此理論應用於一氣彈模型的計算，獲得了位移、速度、加速度時程以及加速度均方根。
  17. Usually, engines of greater displacement can consume more air and fuel and make more power

    通常，更大的替代的發動機能消耗更多的空氣和燃料並且做更多的能量。
  18. Compared with the traditional mixing ventilation, displacement ventilation, a new concept in air - conditioning system, has showed several remarkable advantages : it improves indoor air quality, consumes less energy, and has better economical efficiency

    置換通風系統作為一種新型的通風方式，與傳統的混合通風相比，在許多場合具有明顯的優勢：例如，能提供更好的室內空氣品質、節約能耗以及經濟效益顯著等等。
  19. There is no thoroughly rounded theory about displacement ventilation system in our country at present and our research begins recently. the study work of this paper will be useful for further optimization design of displacement ventilation system. this dissertation includes five parts. the first part introduces the development of the displacement ventilation and the background of research in domestic and oversea. in the second part, it gives working principle of displacement ventilation system and it ’ s advantages to the mixture ventilation. the study also gives a series of indexes to evaluate displacement ventilation system and specifies air supply terminal device and so on. it is needed to simulate and analyse the velocity field, temperature field and distribution of flow field. this is the third part. the forth part specifies the simulative method for thermal stratification of displacement ventilation system. it gives some factors affecting thermal stratification height such as inlet temperature, inlet velocity, heat transfer of wall body, distance of heat source and so on

    本文的研究工作主要包括以下幾個方面的內容: （ 1 ）綜述了國內外相關的研究現狀和研究背景; （ 2 ）簡介了置換通風的工作原理，並分析了它相對于混合通風的優良特性及評價指標、末端裝置等; （ 3 ）對採用置換通風方式房間的溫度場、速度場和氣流分佈進行了模擬計算與分析; （ 4 ）對採用置換通風方式房間的熱力分層高度進行了模擬計算，並分析其影響因素，如:送風溫度、送風速度、圍護結構傳熱和熱源分佈等; （ 5 ）擬合了無量綱熱力分層高度相應于送風溫度t 、送風速度v 、熱源間距離l和圍護結構傳熱q的經驗公式。
  20. According to the conditions of our outdoor air which is more heavily polluted than that of european countries, we have investigated the contaminant distributions in an office equipped with displacement ventilation system under two different air supply conditions

    我國大多數地區的室外空氣品質不如歐美，而建築物內的空氣品質在很大程度上取決于室外空氣狀況，因此需要研究室外空氣條件對置換通風房間內空氣品質的影響情況。
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