dynamic flow test 中文意思是什麼

dynamic flow test 解釋
動態流動試驗
  • dynamic : adj 1 動力的,動力學的;力學(上)的;動(態)的;起動的。2 有力的,有生氣的;能動的;(工作)效...
  • flow : vi 1 流,流動。2 (血液等)流通,循環。3 流過;川流不息;(時間)飛逝;(言語等)流暢。4 (衣服、...
  • test : n 1 檢驗,檢查;考查;測驗;考試;考驗。2 檢驗用品;試金石;【化學】試藥;(判斷的)標準。3 【化...
  1. Supplying services of quality control, inspections, type and routine trials and static and dynamic tests, responsive to the applicable technical standards for the component items, equipment, machinery, systems, bogies, cars and lrts, at all times based on instructions of quality, inspection and test procedures and flow charts previously prepared by contractor and approved by cbtu

    按照賣方準備並經cbtu批準的質量控制、檢查、試驗程序和流程圖,賣方應按照適應的技術標準提供以下服務:包括部件、裝備、機械、系統、轉向架、輕軌車在內的質量控制、檢查、型式試驗和例行試驗、靜態試驗和動態試驗。
  2. Through studying the working mechanism of the composing, the paper referred the bearing ' s analyzing model and designing flow. through shearing test of high damping rubber, the paper analyzes the influence of shearing shape, shearing strain range and inspiriting frequence on the characteristic parameters ( dynamic shear elastic module, dissipation engineering module, wasted gene ). according to the rule of equivalent energy, the paper gets the hysteretic curve of hdr ' s equivalent bilinear model and parameters ' calculating formula

    本論文通過對這種分離式減震支座各組成部分工作機理的研究,提出了該分離式減震支座整體的計算分析方法和設計流程;通過高阻尼橡膠剪切試驗,分析了高阻尼橡膠剪切面形狀、剪應變幅值、激勵頻率和試件高度對特徵參數(動態剪切彈性模量、耗能模量、損耗因子)的影響。
  3. In order to investigate the unsteady flow frequency domain performances of an axial flow compressor at different mass flow, rotating speed and blade row spacing, plus inlet flow distortion, and considering aerodynamic characteristics and stability of the compressor, the low speed research compressor ( lsc ) at college of energy and power in nuaa is used to carry out the experiment studies. a large amount of test data has been gained through dynamic pressure transducers embedded in the stator blades at the tip, middle and hub section, then fast fourier transform algorithm ( fft ) is applied to calculate the frequency data

    為探討軸流壓氣機在工作流量、工作轉速及動?靜葉排軸向間距變化時的葉片排流場非定常頻譜特性變化規律,並耦合進氣畸變的影響,同時與壓氣機氣動性能和氣動穩定性相關聯,作者利用南京航空航天大學能源與動力學院的低速大尺寸軸流壓氣機( lsc )試驗器,採取在靜子葉片表面埋入動態壓力傳感器的實驗方法,對葉尖、葉中和葉根三個截面的動態壓力進行了測量,獲得了大量的可靠的實驗數據。
  4. Based on the vibration test in yantan hydropower house, in this paper the author adopt les method which belong to three dimensions unsteady turbulent flow numerical analysis to simulate vibration resource characteristics of hydrogenerator set, a harmonic vibration model of powerhouse substructure is put forward to carry out firstly a precise modal analysis and dynamic response analysis for generator floor. the numerical calculation results agree well with the surveyed data in situ

    本文結合巖灘水電站廠房振動的試驗研究,採用非定常湍流數值分析的大渦模擬方法進行混流機組水力振動振源模擬;提出一種水電站廠房下部結構簡諧振動模型,首次進行了發電機層樓板結構的精確模態分析和水力激振荷載下的動力響應分析,各項計算結果與實測數據吻合良好。
  5. The development of the dynamic test - bed for fluid flow machine, one of the sub - projects within the " national 211 project ", can carry out the tests on the static and dynamic properties of not only both the hydraulic turbine units and water pump flits with the types of axial - flow, mixed - flow and inclined - flow, but also the centrifugal pump unit ; of which the testing process is automatically controlled by a pc with higher testing precision

    摘要流體機械動態試驗臺是國家「 211工程」建設項目之一,可以進行軸流式(貫流式) 、混流式、斜流式水輪機組的靜特性、動特性試驗,也可以進行軸流式(貫流式) 、混流式、斜流式、離心式水泵機組的靜特性、動特性試驗,試驗過程由微型計算機自動控制,試驗精度高,操作方便、靈活。
  6. The hardware circuit design include : industrial control computer configuration, selection of industrial control board type, design of the power supply and monitoring interface circuit, design of signal processing interface circuit ( the constant current source circuit, the time base signal processing circuit, the processing circuit for the signal to be measured ), design of panel control circuit, design of the system self - checking circuit, and etc. the program flow hart include : main program flow chart, system boot - strap self - checking program flow chart, manual static testing program flow chart, semiautomatic static testing program flow chart, automatic static testing program flow chart, dynamic testing program flow chart, transient testing program flow chart, source voltage and current monitor program flow chart, investigate function testing program flow chart, and etc. the measure system offers six working power supplies, the signal of time base, the signal of constant current source, sine wave signal and step to leap signal, and measures the frequency of the output pulse signal of the wide range pulse convert circuit accurately under three kinds of different test state ( static form, dynamic form and transient form )

    硬體電路設計包括:工控機配置、工控板卡選型、產品電源及監控介面電路設計、信號處理介面電路(恆流源電路、時基信號處理電路、被測信號處理電路)設計、面板控制電路設計、系統自檢電路設計等。程序流程圖包括:主程序流程圖、系統開機自檢程序流程圖、手動靜態測試程序流程圖、半自動靜態測試程序流程圖、自動靜態測試程序流程圖、動態測試程序流程圖、暫態測試程序流程圖、電源電壓和電流監控程序流程圖、研究功能測試程序流程圖等。測試系統提供六路工作電源、時基信號、恆流源信號、正弦波信號和階躍信號,並對三種不同測試狀態(靜態、動態、暫態)下大量程脈沖變換電路輸出脈沖信號的頻率進行精確測量。
  7. According to the selected project, a stability test with scale of 1 : 35 of cushion bottom had been done. with the research results of the experiments and the flow shape of xiao wan hydraulic power station were thought about, on the other hand, the ternary complex jet shape of baishan water cushion was analyzed, all this gave a base for the analysis of the force of the cushion bottom. through observation, the dynamic water pressure, the fluctuation pressure, the time - homogeneous pressure on the surface of the bottom and the characteristics of the fluctuation pressure could be got, also the calculation method and the test results were compared to get the argument

    針對選定的方案,進一步做了1 : 35比尺的水墊塘底板穩定性試驗;通過試驗及借鑒小灣水墊塘內水流流態的研究成果,分析白山水墊塘內三元復雜淹沒射流流態,為水墊塘內底板受力分析打下基礎;通過觀測得到水墊塘底板動水沖擊壓力、脈動壓力、底板上下表面的時均壓力及脈動壓力特性,並通過計算方法與試驗成果進行相互比較論證。
  8. The static and dynamic test results showed that the new method is effective and the identification results of stratified flow, annular flow, core flow and plug flow are satisfied for the requirements of the industrial operation online

    該方法與傳統流型識別方法相比的最大特點是簡便易行,對于層狀流、環狀流、核心流以及塞狀流均有較好的識別結果。
  9. In the leakage characteristic test, the problem of small leakage flow automatic test is solved with the method of usage of an ellipse gear flow meter and a self - made interface circuit. in the dynamic state characteristic test, frequency sweeping and statistic methods are used and their results are compared with 1250 frequency response analyzer

    在電液伺服閥動態測試實驗中,採用了掃頻法和統計法這兩種不同的方法進行測試,並對實驗結果與1250頻響分析儀所測的結果作了對比,發現二者基本一致。
  10. In the paper, several main steps of dynamic design, such as model set up, test modal analysis and fe modal analysis, model revising, structure dynamic response analysis, sensitivity analysis and dynamic modifying, are discussed for the military diesel main parts : crankshaft, cylinder head, engine block, and their combined structure ? ngine block & crankshaft, engine block & cylinder head, engine block & crankshaft & cylinder head, thus the paper finishes the whole tache of dynamic design and realizes the whole flow of engine dynamic design

    發動機的剛度和強度主要取決于機體、曲軸和缸蓋,為此本文對上述三個主要零部件進行了試驗模態分析和有限元模態分析,同時對組合結構?機體+曲軸、機體+缸蓋也進行了試驗模態分析和有限元模態分析並用試驗結果對有限元分析結果進行修正和驗證,以保證有限元模型的正確性和可信性。在正確、可信的有限元模型基礎上,本文進行了動力響應分析,並在假想條件下進行了靈敏度分析和動力修改,完成了動態設計的整個環節,實現了發動機動態設計的整個流程。
  11. Standard test methods for water vapor diffusion resistance and air flow resistance of clothing materials using the dynamic moisture permeation cell

    使用動態透濕單元法測試布質材料耐水蒸氣擴散性和耐氣流性的標準試驗方法
  12. After deriving the governing equation of motion of these dampers and the theoretical model, we simulated the damping force of the dampers under different electric field strength conditions, and used an electrical hydraulic servo dynamic testing system to test flow mode er damper and mixed mode er damper

    在不同電場下,模擬阻尼器的阻尼力特性,並使用電液伺服動態測試系統測試流動模式電流變液阻尼器及混合模式電流變液阻尼器。
  13. Based on analyzing the main characters and the limited aspects of many software testing management tools in existence, regarding the requirement of many domestic software companies, the author researched and developed a software testing management tool, which includes such characters as listing under : ( 1 ) testing running process management, separating the static information and dynamic information of the testing cases to manage the running process of the testing cases, supporting iterative testing and regressive testing ; ( 2 ) providing the individual setting of the classified properties of bug and testing case, which user can define in according to their requirements, and then providing corresponding querying and statistic functions ; ( 3 ) testing progress plan management, setting testing milestone and management check point to manage the testing progress plan ; ( 4 ) testing task management, using tier structure to express task ' s relationship, supporting task cooperative management based on work flow, monitoring the task ' s time, cost and performance during the whole process ; ( 5 ) testing evaluation, using testing cover rate and bug reports to evaluate a test

    本文分析了現有的軟體測試管理工具的主要特點和局限性,結合國內從事軟體開發的組織的實際需求,提出了一個具有下列技術特色的軟體測試管理工具: ( 1 )測試運行管理,通過將測試用例的靜態信息和動態信息分離來進行測試用例運行的管理,為重復測試、回歸測試管理提供支持; ( 2 )軟體缺陷和測試用例的分類屬性值的定製功能,使用戶可以根據自身組織的管理要求進行自定義,根據定製提供相應的分類查詢、統計等處理功能; ( 3 )測試進度計劃管理,通過設定測試里程碑和管理檢查點來對測試進度計劃進行管理; ( 4 )測試任務管理,使用層次結構表達任務的結構關系,提供基於工作流的任務協同管理,全過程監測任務的時間、成本和績效; ( 5 )測試評價,通過測試覆蓋和缺陷報告等方法來進行測試評價。
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