溫度模擬 的英文怎麼說
中文拼音 [wēndùmónǐ]
溫度模擬
英文
temperature simulation- 溫 : Ⅰ形容詞(不冷不熱) warm; lukewarm; hot; gentle; mild Ⅱ名詞1 (溫度) temperature 2 (瘟) acute ...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 模 : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
- 擬 : 動詞1. (設計; 起草) draw up; draft 2. (打算; 想要) intend; plan 3. (模仿) imitate
- 溫度 : [物理學] temperature
- 模擬 : imitate; simulate; analog; analogy; imitation; simulation模擬艙 boilerplate; 模擬電路 [電學] circ...
-
The scientists mimicked a space environment by freezing the mixture to temperatures close to absolute zero, then exposing it to harsh ultraviolet radiation
科學家模擬太空環境,首先將混合物降溫,直到接近絕對零度后,以強烈的紫外線照射混合物。In section one, by using fice scheme and time - gcm, a model of trace gases and oh airglow affected by gravity wave is set up, then the propagation of nonlinear gravity wave and the effect on trace gases and oh airglow are analyzed. the result shows gravity wave excited by tropospause forcing can propagate stably to the mesosphere through the stratosphere so that energy and momentum can be transferred from one region to another. in this process, gravity wave undergoes growth, overturning, convection and breaking
在第一部分的工作中,利用全隱歐拉格式和全球熱層-電離層-中間層-電動力學環流耦合模式( time - gcm ) ,對重力波的非線性傳播及其在傳播過程中對中高層大氣中氧族和氫族成分和與之密切相關的oh氣輝輻射的影響進行了數值模擬,結果表明,從對流層向上傳播的重力波經歷了產生、發展、飽和、對流產生直至破碎的非線性演化,大氣的非等溫結構加速了重力波在中層頂區的破碎,重力波的非線性傳播是小尺度對流和湍流產生的一個重要的源。The model of the itr between a1n and cu is built by using the acoustic mismatch model, amm and diffuse mismatch model, dmm. because there is a limit of roughness and temperature in amm and dmm, the data of the theory model that is directly built by amm and dmm is far from the experimental data. accordingly, with dmm and traditionary methods, the mathematics model is posed by contrast and analyses of the experiment data
由於聲失配理論和散聲失配理論對溫度和粗糙度有很嚴格的要求,所以直接建模所得的理論數據與實驗數據有很大的差距,本文採用聲失配理論與傳統研究方法相結合,通過與實驗數據的分析擬合,提出了修正的數學模型,預測誤差有了大幅度的提高。Abstract : radiate thermometer uses a high definitive operation circuit in the modulation and linerization of weak optical signals. the theory of colorimetry was used in measuring the temperature. analogic channel and digital interfaces were added in order to expand the instrument. a kind of double channel ' s photocolorimeter including its hardware and software is introduced
文摘:輻射測溫計採用高精度運算電路,對光弱信號進行調制和線性化處理,運用比色法原理對溫度進行檢測.為了便於儀器擴展,增加了模擬量輸出和數字介面,並對光纖式雙通道比色高溫儀的硬體與軟體的關鍵部分作了簡要介紹Temperature simulation technology of phytotron on desert environment
沙漠環境人工氣候室溫度模擬技術研究With analyzing of the case study and based on simulating and analyzing quantitatively, this article, considering the goal of the performance - based fire - protection design is protecting occupants from being injured and keeping buildings from being damaged, thought that fire compartmentation of a large building of saling books can be divided according to their saling malls and fire compartmentation in the saling mall can be separated by the fire - proof screen. on the evacuation design, the quantity of safety exits around these buildings and the evacuation width should be increased if possible and the safety exit number, exit width and evacuation distance can be determined according to the simulating results on smoke layer temperature and height, concentration of co2 and co, occupants evacuation time and visibility. on the means of preventing and discharging smoke, the most proper measure should be determined according to their geometrical characteristics and the natural means of discharging smoke is feasible to the large building of saling books. based on analyzing of smoke
通過對案例分析研究,本文認為大型書城建築性能化防火設計研究的最終目的是保證人員生命安全和保證建築結構安全,在模擬計算和量化分析的基礎上,大型書城的防火分區可以將中庭連通的書城區域劃分為一個區,在書城場地內可以採用防火卷簾進行防火分區劃分;在人員疏散設計中,應盡可能利用書城賣場的空間設計較多的安全出口和增大疏散寬度,其安全出口數量、寬度和疏散距離可以根據人員安全疏散時間和煙氣溫度、沉降高度、 co2濃度、 co濃度、能見度模擬計算結果驗證確定;在防排煙方式的選擇上,應當根據建築物的幾何特點選取最適宜的措施,就大型書城建築而言,採用自然排煙的方式是可行的。Based on several exiting mathematical models, an off - line temperature simulation software was developed to improve the control effect on strip head temperature in finishing rolling process and draw up a more reasonable inter - stand spray water cooling scheme
摘要為了提高熱軋帶鋼頭部終軋溫度命中率,以及確定合理的機架間噴水冷卻制度,結合帶鋼熱軋過程溫度數學模型,開發了精軋區溫度模擬計算軟體。Refined grids were utilized in a large - eddy simulation model for obtaining high - resolution planetary boundary data and analyzing surface layer turbulence. simulation results showed that refined meshes reduced turbulent contributions of subgrid scales, sensitivity of simulation results to sgs parameters decreased, and features of the whole boundary layer were explicitly resolved better. results also revealed flux - profile relationship correctly in surface layer and a good agreement of turbulent velocity characters with observation. therefore, it concluded that the les method was able for simulation of surface layer flow and turbulence, and might be used for further applications
採用加密網格的大渦模式獲取邊界層風溫場的高解析度模擬結果,並據以分析近地面層大氣的湍流特性。結果表明,較小的網格尺度使次網格湍流貢獻率大為降低,模式計算結果對次網格參數的依賴性減小,邊界層整體特徵得到更好的反映。同時,模擬出的近地面層通量廓線關系及湍流速度特徵與實際觀測結果吻合甚好,表明模式具有反映近地面層平均運動和湍流特性的能力。A batch least - squares maximum likelihood estimator is employed to calibrate the model coefficients of accelerometer and a polynomial post - fit method is used to establish temperature models of these coefficients. the temperature models of accelerometer bias and scale factor of accelerometer are established between - 20oc and 50 oc. after compensating the temperature error by using these models, the post - fit residuals of the accelerometer output have been improved to 10 ? 5 g, and the trend term of accelerometer changing with temperature basically vanished
採用最小二乘極大似然估計和多項式擬合的方法,分析加速度計靜態模型系數隨加速度計殼體溫度變化的規律,建立了- 20oc 50oc之間加速度計零偏和標度因數誤差的溫度模型,應用該模型對加速度計溫度干擾進行補償,補償后,加速度計輸出的擬合均方根誤差一到二個數量級,並且基本上消除了加速度計輸出隨溫度變化的趨勢項,使得加速度計測量精度得到了明顯提高。Air - inlet simulation experiment has been carried out, through which total temperature and pressure simulation rule has been made clear, and the auto control of the fuel rate and air pressure has been realized
利用本文建立的測控系統,進行了多次進氣模擬試驗研究。初步摸清了進氣溫度模擬和進氣壓力模擬的規律,實現了燃油流量和進氣氣流壓力的自動控制。( 4 ) the feasibility of applying of brightness temperature approach method and continuous measurement method in practical application are verified. the results of 8 - wavelength thermometer, which are based on the brightness temperature model, verify that continuous measurement method based on brightness temperature is a practical data processing method when the range of target ’ s emissivity is known. the
分別利用亮溫逼近法和基於亮溫模型的連續測量法對基於亮度溫度模型的八波長實測數據進行模擬,利用基於參考模型的連續測量法對固體火箭發動機羽焰溫度實測數據進行模擬,其結果驗證了連續測量法在工程實際中應用的可能性,並進一步驗證了當所給發射率范圍越接近實際物體發射率,計算結果越接近真溫。Under the influences of random variabilities, during both construction period and operation period, the temperature field within a gravity dam body could be regarded as a random one. in this paper, stochastic finite element methods are suggested to deal with the random temperature field. by use of the suggested methods, the influences of random environmental and random hydration heat of concrete and the initial temperature of concrete as well as the thermal parameters of both concrete and rock foundation are all taken into account. according to a scheduled time table of construction, random temperature fields of a typical concrete gravity dam within both the construction period and the operation period are calculated by emulation the layer constructing of the dam. some useful conclusions are obtained from the computational results
由於施工期和運行期各種隨機因素的影響,使重力壩溫度場成為隨機.本文綜合考慮了環境溫度(包括氣溫和庫水溫度) 、混凝土絕熱溫升、入倉溫度以及混凝土和基巖的熱學參數隨機性的影響,基於隨機有限元法,給出了重力壩隨機溫度場的計算方法,對一典型重力壩按給定的施工進度模擬分層澆築施工過程,對施工期及運行期前期的隨機溫度場進行了計算,並得出了一些有益的結論Finally, in order to solve the problems encountered in experiment, an improved design, including gas path, mechanism and controller design, is proposed. experiments are accomplished in the improved system platform, and the results demonstrate that the improved system can meet the requirement of simulating the turbine outlet temperature of aero - engine
最後,針對試驗中遇到的問題,從氣路部分、機械部分以及控制器三個方面對溫度模擬系統進行了改進設計,並在改進的系統平臺上進行了試驗,試驗結果表明改進后的系統能基本滿足對發動機渦輪出口溫度信號模擬需求。The fifth chapter concerns on control algorithms of greenhouse heating system. the dissertation presents fuzzy control strategy because greenhouse has the characteristic of time - delay, time - varying, and uses general fuzzy control strategy, fuzzy - smith ppe - estimate control strategy respectively to simulate greenhouse heating system according to the temperature model set up in the forth chapter
第五章將模糊控制技術運用於溫室系統。針對第四章建立的溫度模型,分別採用常規模糊控制方法、模糊smith預估補償控制方法,對溫室加溫系統進行模擬試驗,模擬結果證明模糊smith預估方法跟常規模糊控制相比,具有更強的適應能力。Secondly, a close - loop controller based on pid control rule is designed. open - loop model identification, close - loop experiments of the temperature simulation system and aero - engine model tracing experiments are accomplished
其次,論文設計了基於pid控制規律的閉環控制器,初步開展了溫度模擬系統開環模型辨識、閉環試驗以及發動機模型溫度跟隨試驗。Transient temperature distribution simulation of injection mold
注塑模具瞬態溫度模擬研究The experiment results indicate that the design and experiment scheme of the temperature simulation system is feasible
試驗結果表明溫度模擬系統的設計和試驗方案是可行的。For the requirements of the system, a controller, whose kernel is arm, is designed. the controller design includes hardware design and software design
針對溫度模擬系統對控制器的要求,提出了以arm為核心的溫度控制器的設計方案,並進行了硬體設計及軟體設計。Firstly, the requirement of the temperature simulation system is analyzed. the outline design scheme is proposed. difficulties in design progress are discussed and solutions are put forward
首先通過分析溫度模擬系統的需求,提出溫度模擬系統總體設計方案,討論了設計中的難點並提出了解決的方法。A temperature signal physical simulation method is proposed in this paper. the temperature simulation system is constructed and its controller is designed. the experiment results indicate that the temperature simulation system can meet the requirement of the matter - in - loop simulation of aero - engine control system
本文提出渦輪出口氣體溫度信號的物理模擬方法,構建了溫度模擬系統,設計了溫度模擬系統控制器,進行了溫度模擬系統試驗,試驗結果表明溫度模擬系統基本滿足航空發動機控制系統半物理模擬的需求。分享友人