fluid dynamic research 中文意思是什麼
fluid dynamic research
解釋
流體動力研究-
The major research areas of a ship against non - contact underwater explosion include four sectors, namely, ( 1 ) the characteristics of fluid field disturbed by an underwater explosion ( loadings of underwater explosion ) ; ( 2 ) the analysis of transient fluid - structure interactions, and the corresponding dynamic responses of the ship ; ( 3 ) safety assessment of the ship structure undertaking the elastic - plastic dynamic responses ; and ( 4 ) determination of the shock environment imposed on the shipboard equipments, and evaluation of shock protection design
即非接觸水下爆炸的流場特徵（水下爆炸載荷） 、瞬態流場與結構相互作用所決定的艦船動響應分析方法、以彈塑性動變形響應分析為依據的艦船結構水下爆炸安全性評估與防護技術、以船體結構動響應為輸入條件的船用設備沖擊環境的確定方法及相應的設備抗沖擊設計分析方法。 -
On the basis of analyzing the rock mechanics, the bit working circumstance and property in the bottom hole of 6000m deep well, and making use of the former equipment such as a derrick, platforms etc, the paper demonstrates that the research and design of the mechanical device have been established including the high pressure simulating well bore, the high pressure connector between the static well bore and the rotating drill pipe, the high pressure simulating system of circulating fluid and the high pressure desander etc. the produce, control and dynamic analysis of the bottom hole four - dimensional pressure ( over burden, confined, pore and column pressure ) have been studied
本文在對井底巖石的受力狀態以及鉆頭的工作環境和特性加以分析的基礎上，藉助原有的井架、平臺等設備，研究設計了模擬6000米井底壓力壞境的高壓模擬井筒、鉆柱高壓轉聯器、鉆井液高壓模擬系統以及高壓除砂器等機械裝置，並研究了井底四維模擬壓力（上覆壓、圍壓、孔隙壓和液柱壓）的產生、控制及其控制的建模與模擬，從而實現井深至6000米的四維井底壓力環境的模擬。 -
At present, the research on dynamics of solid - fluid interaction is generally based on the assumption that the containers are rigid which cannot meet the truth. meanwhile, there is only little research on the dynamic behaviors of the coupling system under different external excitations
目前，國內外關于貯箱類流固耦合動力學研究一般都建立在充液貯箱為剛性這一假設的基礎上，這與實際情況尚有偏頗;同時，對系統在不同外激勵作用下的動力學行為的研究還相當少。 -
The course of basin evolution, thermal field of compaction fluid system, dynamic field and geochemical field can be demonstrated by geological research and numerical simulation
盆地演化過程中，壓實流體系統溫度場、動力場和地球化學場可以通過地質研究和數字模擬來重塑。 -
The research work focuses on the following four main investigations : 1. theory of fluid system design for adjustable linear oil damper by use of dynamic mathematical models and dynamic - parameter - compensat ing method, the first research of this item has established the generalized optimiz - - ation mathematical model of the fluid system of an adjustable linear oil damper ; by use of the mechanical generalized optimization theory and platform, the first research has also made a multi - objective and overall - performance optimal design to the fluid system which gives the damper both the best damping performances and the best economic capacities ; by modeling the whole damper and analyzing it by numerical method, the second research of this item has solved the problem of the damper ' s dynamical damping characteristics calculation, simulation and analysis
主要涉及以下四個方面的內容： 1 、可調式線性油壓減振器阻尼系統的設計理論採用動態數學模型和動態參數補償的方法對可調式線性油壓減振器的阻尼系統進行了廣義優化設計建模；運用機械廣義優化設計理論和平臺對可調式線性油壓減振器的阻尼系統進行了多目標、全性能的優化，實現了其技術性能和經濟性能的綜合優化設計；通過對整個油壓減振器進行建模與數值分析，解決了工程上對多級擬合線性油壓減振器的阻尼性能進行求解、對其動態特性進行分析的難點。 -
In this paper, simulation analysis and experimental research are given about dynamic response characteristics of jet pipe servo valve with magnetic fluid and without magnetic fluid. mathematical models of jet pipe servo valve with magnetic fluid and without magnetic fluid and mathematical model of magnetic fluid are deduced
本文通過對射流管伺服閥添加磁流體和未添加磁流體兩種情況下的動態響應特性分別進行了模擬分析和實驗研究，推導了未添加磁流體和添加磁流體的射流管伺服閥的數學模型，以及磁流體的數學模型。 -
Dynamic characteristics of jet pipe servo valve with magnetic fluid and without magnetic fluid are simulated in frequency domain and time domain by using matlab. simulation results are compared and analyzed. experimental research of frequency response about jet pipe servo valve is carried out about jet pipe servo valve with magnetic fluid and without magnetic fluid, and experiment results are also compared
用matlab模擬方法對未添加磁流體和添加磁流體的動態特性進行了頻域和時域模擬，對模擬結果進行了比較和分析，並對添加磁流體和未添加磁流體的射流管伺服閥進行了頻域響應實驗研究，對實驗結果進行了比較。 -
The thesis is focus on preliminary research on the dynamic property of providing water system to high building, and there are some aspects to discuss, such as how the property of fluid to influence the character of pipes and so on
本文對高層供水系統動態特性進行初步分析和減振降噪研究，取得了良好的效果，但研究還需進一步深入，如流體特性對管道動態特性的影響等。 -
This dissertation makes use of all data which would be gained, such as tectonics, sedimentation and stratum, etc., using new theories and methods of fluid history and pool analysis for petroleum basin, petroleum hydrodynamic system, fluid chemistry, etc., considering dynamics and evolution, and systemic studies the dynamic process of petroleum creating, migration and accumulation, and analyzing the rules. at the same time, by integrative analyzing of petroleum fluid system in the tuha basin, we research the fluid properties of the jurassic petroleum hydrodynamic system in the taibei depression
本文充分利用盆地構造、沉積、地層、有機質等演化歷史的研究成果，應用「含油氣沉積盆地流體歷史與油氣藏形成分析」 、含油氣流體動力系統、盆地流體化學與動力學等新理論、新方法，從演化和動態的角度，系統研究油氣的生成、運移、聚集等成藏動力學過程；以及在成藏動力學過程中流體化學與動力學在地質體中的記錄，分析、預測油氣的運移、聚集規律。 -
In practical engineering, reasonable solution of some important and key problems in common, such as the stability of the side slope in the explosion of water conservation construction ; using explosion to improve the productivity in oil production etc., require the thoroughly research on the dynamic mechanics of fluid - saturated porous media under impacting loading from the theories, numerical simulations and experiments
在實際的工程應用中，重大水利工程爆破施工時巖土邊坡的穩定性問題；採用爆破技術在油層中製造沖擊波以提高出油率時油層中的響應，以確定爆炸工藝對提高石油生產率的有效性等關鍵性技術問題的解決都要求對含有液體的多孔介質在動載荷作用下的力學行為進行深入的理論、數值和實驗研究。
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