variable air volume 中文意思是什麼
variable air volume
解釋
可變風量-
Variable air volume ? vav ? system is a energy - saving air conditioning system
變風量系統是國外較為流行的節能空調系統，國內也開始大量採用。 -
Through the research work of this article, it is shown that cfd technology can efficeintly instruct the design of indoor air distribution and evaluate indoor air quality and ventilating effect ; the distribution of heat sources have great impact on indoor air distribution ; under variable air volume condition, the indoor temperature and velocity fields are quite even and the thermo - environment is relatively good when using diffusers with coanda effect such as square diffuser and slot diffuser to supply air
經過本文研究發現，利用cfd技術可以有效地對空調室內氣流組織設計進行指導，全面對室內空氣品質和通風效果進行評價。熱源分佈對于空調室內的氣流組織具有極其重大的影響。在變風量條件下，利用具有良好貼附效應的送風口如方型散流器和條縫風口送風，空調室內的溫度場和速度場較均勻，室內的熱環境良好。 -
The proper selection of air diffusers will help to ensure that variable air volume will operate over a range of air volumes well
送風散流器的合適選擇有助於確保變風量系統在較大的風量范圍內運行良好。 -
As air distributor in a variable air volume system, the performance of slot diffuser is the best one, but the type of diffuser is too expensive, so at home many firms try to choose square diffuser
條縫形散流器作為變風量系統的空氣分佈器其性能是最好的，但這種條縫形散流器過于昂貴，故國內許多公司選擇採用方形散流器。 -
Through thorough analysis, we finally drew that on condition of experiment, square diffuser could ensure good air distribution when air supply volumes ranged from 40 to 50 percent or 80 to 100 percent of the maximum air supply volumes. when air supply volumes ranged from 50 to 80 percent of the maximum air supply volumes, square diffuser could not be very ideal with a variable air volume in a cooling mode
經過全面分析，最後得出主要結論：在實驗條件下，當送風量處于最大送風量的40 50或80 100范圍內時，方形散流器可滿足室內氣流分佈的要求；當送風量處于最大送風量的50 80范圍內時，方形散流器用於變風量系統供冷工況不理想。 -
Compares the eer and other parameters of this system with a typical variable air volume all - air system and analyses each application scope for different systems
與一典型全空氣變風量系統的能效比等參數進行了對比，簡要分析了不同種類系統的適用范圍。 -
Recently, it is due to the limitation of design on variable air volume air conditioner, the absence of effective vibration isolation system on the fixing of vantilation equipment and the maladjustment of air volume in the air channel, that the noise and vibration is in excess of the criterion, and much more economice dissension is solicited
摘要近年來，由於變風量空調器設計缺陷，安裝時沒有採用有效的減振措施引起機殼振動或管道風量調節不當，導致噪聲超標，引發了許多經濟糾紛。 -
Presents the automatic control system scheme, especially that of the air conditioning system of constant and variable air volume
摘要簡要敘述了該智能樓宇空調自控系統的整體結構，詳細介紹了定風量和變風量空調系統的控制方案。 -
By means of variable frequency and adjustable speed, the variable air volume air conditioning automatic control system saves energy through setting different static pressure values in different time periods
變風量空調控制系統以變頻調速為手段，分時段設定靜壓值以實現節能。 -
The variable - frequency of the fan control is realized by using the method of total volume air control of vav systems, at the same time, fuzzy - control is applied in terminate controller to make the system get a certain energy consumption
通過引入變風量空調系統總風量控制方法的設計思路對風機進行變頻控制，同時對末端控制器採用模糊控制技術，使得整個空調系統達到一定的節能目的。 -
At present, variable air volume ( vav ) air - conditioning system is the main steam of the whole air conditioning system in china and abroad because of its large energy conservatioa however, since vav system is multivariable, strongly coupled, nonlinear and time variant, its design, performance and management are more difficult than constant air volume ( cav ) system, and stable control of the entire vav system is focused in particular in china study on the stability, the key condition of the vav operation, the paper divide the vav system into ahu part and terminal part based on the coordination control strategy
目前，變風量（ variableairvolume ， vav ）空調系統以其巨大的節能潛力逐漸成為國內外空調系統的主流。但是，變風量（ vav ）空調系統具有多變量、強耦合、非線性、時變的特點，因此它的設計、運行和管理都比定風量（ constantairvolume ， cav ）系統難度大。這也是限制vav系統更廣泛應用的一個重要原因。 -
Because the basic principle of variable air volume system is to meet the comfort conditions indoor by varying air flow rates, air distribution is rather important
由於變風量系統是通過改變送風量來滿足室內舒適要求的系統，所以氣流分佈對于變風量系統是相當重要的。 -
Webctrltm - based automatic control systems of variable air volume system of the beijing union university
的北京聯大實訓室變風量空調自控系統 -
Retrospects the actual methods of the fan - coil unit controlling, puts forward a new scheme for variable air volume running of the fan - coil unit, and analyses the characteristic of the scheme
回顧了風機盤管機組現有運行控制方式，提出了風機盤管機組變風量運行的方案，並分析了其運行特點。 -
The experiment was conducted in a test room with a variable air volume
實驗在一變風量系統實驗室中進行。 -
A variable air volume air - handling system is used to address the fluctuating room temperature
可變風量送風系統，切合不同室溫要求。 -
Variable air volume systems have been widely used in various kinds of buildings due to their energy - savings, comfort, safety and good flexibility
變風量系統因其節能、舒適、安全以及好的靈活性而被廣泛應用於各類建築物。 -
This paper gives an detailed description to various aspects of the variable air volume system, such as the working principle, peculiarities of system, and its applicable location
摘要對變風量系統的工作原理、系統特點、適用場合均作了詳細地闡述。 -
And also this paper analyzes many important aspects about the design of the variable air volume system, for exam pie the calculation method of cold and volume, the choice of tuyeres, the adjustment operating mode of the fan during summer and winter and proffer form some opinions
對系統設計中各主要方面諸如負荷計算、風量取值、風口選型以及系統在冬夏運行調節時的風機控制方式，系統運行模式作了一定的探討並提出了自己的見解。 -
After more than 40 years " development, variable air volume systems have been widely used in many places besides north america, japan and singapore because of their excellences and have become the most popular and energy - conserving air conditioning systems in commercial buildings
Vav系統由於具有諸多優點，經過40多年的發展，在北美、日本、新加坡等地都得到了廣泛的應用，它已經成為目前商業建築中最流行和最節能的空調系統。
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