vav 中文意思是什麼
vav
解釋
n. 名詞 希伯來字母表的第六個字母。-
System zoning and airflow mixing of vav systems
變風量空調系統的分區與氣流混合分析 -
Technical analysis of local fume hood vav control
通風櫃變風量控制的技術分析 -
Some experience of vav air - conditioning system design
空調系統設計的若干體會 -
Performance analysis of vav terminals
變風量空調系統末端裝置的性能分析 -
It ' s an important reason that iimits the vav system for agreater use
這也是限制vav系統更廣泛應用的一個重要原因。 -
An experimental study on energy saving in the greenhouse by vav based on vfd
基於變頻驅動的溫室變風量通風節能效果試驗 -
Design of vav system in the office building for zhejiang longwei ltd
浙江龍威電子有限公司綜合辦公樓變風量空調系統設計 -
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。 -
Discusses the calculating method of vav terminal units and gives solving methods to the existed problems
討論了變風量末端的選型計算方法，並給出了實際應用中存在的問題及解決方法。 -
But as a complex thermodynamic system, vav system has many disturbances and is calculated parameters hardly
但變風量空調系統是一個復雜的熱力系統，所受干擾多，對象的參數易於變化且難以確定。 -
Using the post processing tools of this cfd software, this article analyses the temperature and velocity field in the vav air - conditioned office and finally evaluates the indoor air distribution, adopting air diffusion performance index ( adpi )
利用cfd軟體的后處理工具對不同送風方式以及不同工況下的變風量空調室內的溫度場和速度場進行了分析，最後採用空氣分佈特性指標對空調室內的氣流組織進行了綜合評價。 -
With the desigh of vav air conditioning system presents the energy saving technology of natural cooling by cooling air conditioned rooms with outdoor air of low temperature and low enthalpy
摘要結合變風量空氣處理系統的設計，介紹了利用室外低溫低比焓空氣供冷的自然冷卻節能技術。 -
The model of the operation efficiency of the uav is established, including the method of hierachical analysis and fuzzy system theory in the synthetic computation of efficiency indexes, realizes the quantitative evaluation of the vav ' s operation efficiency
建立了無人偵察機作戰效能評估模型，從而實現了無人偵察機作戰效能的定量評估，其中效能指標綜合計算中融合了層次分析法和模糊系統理論。 -
In this article, simulations of air distribution in the vav air - conditioned office are carried out in the cases of different air - supplying diffusers including slot diffuser, sqaure grille, bar grille and square diffuser to supply air, the standard three - dimensional k - ? two - equation turbulence model with correctional item of buoyancy effect and simple algorithm are adopted, and wall function method is used to handle boundary conditions
本文採用經過浮升力項修正的-兩方程模型和simple演算法，應用壁面函數法處理邊界條件，對利用包括條縫風口、方型百葉風口、長條型百葉風口和方型散流器不同型式送風口送風的變風量空調房間內的氣流組織進行了模擬。 -
Based on the description of styles and characteristics of fume hoods in modern laboratories, this paper analyzes the control strategies in fume hoods and ventilation systems and discusses the control and application of vav as well as its advantages on safety, energy conservation and comfort
摘要在闡述實驗室排風櫃的類型及其特點的基礎上，分析了排風櫃和通風系統的控制思路，著重討論了vav系統的控制、應用，及其安全性、節能性、舒適性方面的優勢。 -
Genetic algorithm is used to optimize the parameters of pid controller that is used to control the plant lon ( local operating network ) is designed to control vav air - conditioning system. by this means the static pressure control and minimum total supply air volume control are experimented. the paper analyzes the coupling among loops, the whole system ' s stability and energy saving effect under the two control methods
針對目前變風量空調系統的模型都是用機理建模方法建立的情況，本論文用最小二乘法對機組部分進行系統辨識，建立了水閥?送風溫度、變頻風機?靜壓兩個迴路的模型，經驗證比較接近實際系統；採用遺傳演算法對pid控制器的參數進行尋優，尋優結果令人滿意；設計了變風量空調系統的lon控制網路，以此為實現手段，進行了定靜壓控制和最小總送風量控制，並在兩種控制方式下，分析了各個迴路的耦合情況、兩種控制方式的穩定性和節能效果。 -
In this thesis, the decoupling unit of vav system is designed in the way of feedforward conpensation. then the transfer function matrix of the feedforward conpensation decoupling unit of the 5 inputs & 5 outputs vav system is worked out. the decoupling conpensation unit can change the transfer function matrix of the open loop and closed loop control system into diagonal matrix, so that the coupling among the five control loops is eliminated, and vav system is decoupled
本文採用前饋補償法設計了變風量空調系統的解耦補償器，並得出了五輸入、五輸出變風量空調系統前饋補償解耦器的傳遞函數矩陣，該解耦補償器可以使本文所研究的變風量空調控制系統的開環傳遞函數矩陣和閉環傳遞函數矩陣都變換為對角矩陣，從而解除五個控制迴路之間的耦合，使變風量空調系統實現解耦。 -
Nowadays, vav air - conditioning system has gradually become mostpopular in china and abroad because of its signifcant energy saving
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。 -
Nowadays, vav air - conditioning system has gradually become most popular in china and abroad because of its sigraficant energy saving
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。 -
The paper studies the static pressure control and minimum total supply air volume control of vav air - conditioning system by experiment at present vav air - conditioning system are all modelled by the method of mechanism analysis
本論文對變風量空調系統中的定靜壓控制和最小總送風量控制進行實驗研究。
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