static pressure energy 中文意思是什麼
static pressure energy
解釋
靜壓能-
According to the principle of mutual transformation between potential energy and kinetic energy, the vertically falling law of power law fluid by the action of unconstant static pressure and the relation between rheological parameter and time were studied, thus providing a theoretical basis for calculating the rheological parameters of fluid in funnel viscometer
根據位能與動能的變化關系，作者研究了在非恆定靜壓作用下冪律流體垂直下落的規律及流變參數與時間的關系，從而為計算漏斗粘度計中流體的流變參數提供了理論依據。 -
It has a long history using a throttle device to measure the flow volume of fluid in pipe the method has formed normalization at home and abroad the principle is to make the flow bunch form the particial shrink at the place where the throttle part is located so as to produce a static pressure difference then measure and calculate the flow volume at the moment when the fluid is flowing through the throttle device by the static pressure measured this method is based on the law of conservation of energy and the equation of flow continuity
用節流裝置測量管道中流體流量已歷史悠久，在國內、國際上都已標準化，其原理是使流束在節流件處形成局部收縮，產生靜壓力差，通過測量靜壓力差來衡量流體流過節流裝置時的流量大小，這種測量方法是以能量守恆定律和流動連續性方程為基礎的。 -
Fluid physical properties, pressure measurement, forces due to static fluids, bernoulli ' s equation, general energy equation, energy losses due to friction, pipe line systems, pump selection and application, open channel flow
本課程含流體物理性質、壓力測量、沉體平面和曲面所受作用力、柏努利方程式、一般能量方程式、摩擦形成的能量損失、管線系統、明渠流、泵的選擇與應用。 -
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。 -
Abstract : based on laboratory test results, a model for predicting the residual deformation of soft clay under impact loading is proposed in this paper, which fits well with other test results. this model, considering several factors which affect the residual deformation such as confining pressure, impact energy and the number of impacting, can be used for the deformation prediction in the treatment of saturated soft clay by the drainage consolidation method of combining static and dynamic loading
文摘:在試驗基礎上建議了一個預測沖擊荷載作用下飽和軟粘土殘余變形的計算模式，該模式考慮了周圍壓力、沖擊能大小、沖擊次數和沖擊遍數等幾個因素.對計算模式的驗證表明，預測值與實測值吻合較好.該模型可用於動靜結合排水固結法處理軟基時的變形計算 -
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 experiment ' s results show that the system is stable under the static pressure control and energy saving under the minimum total supply air volume control. although the terminal dampers ' s tuning time is prolonged under the minimum total supply air volume control, it can be reduced by adopting the appropriate sampling time when debugging the system. from all of this we can conclude thart the minimum total supply air volume control has a good application perspective
實驗結果表明，定靜壓控制方式下系統較為穩定，最小總送風量控制比定靜壓更加節能，但它延長了末端閥位的調節時間，在系統調試時，我們可通過選擇合適的采樣時間來縮短閥門的調節過程，所以最小總送風量控制具有廣闊的應用前景。 -
The proportional pressure / flow hybrid valve ( pq valve ), which adjusts pressure and flow rate simultaneously, is increasingly adopted for the hydraulic control system in molding machine, due to its advantages of high integration degree, stable and energy - saving performance. based on the analysis of various types of pq valve, this paper investigates the control performance of the byl 16 series valve, including the static and dynamic characteristics
本文在綜合了目前國內外各種pq閥技術現狀的基礎上，分析研究了由浙江大學研製的byl系列pq閥的靜、動態性能，並結合模擬和試驗研究，提出了改善pq閥靜動態性能的機理和有效措施，為今後實際工程應用和系列擴展設計提供了很好的理論依據。 -
The emphasis in this chapter is to state the principles of energy and pressure of crystals in static situation ( when temperature 7 = ok ), the mie - griineisen relationship, describing the vibrational energy ( thermal energy ) and thermal pressure ( plh ) of crystals, and debye model and debye equation of state for " ideal " solids
其次是對固體的廣義物態方程的基本理論、多項式物態方程、與靜態晶格壓縮相聯系的冷能和冷壓、與晶格熱振動緊密聯系的熱能和熱壓、及描述晶體壓強、冷能、熱能三者之間關系的mie - gr （
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