thermal parameters 中文意思是什麼

thermal parameters 解釋
熱參數
  • thermal : adj. 1. 熱的，熱量的，溫熱的；由熱造成的。2. 溫泉的。n. 【航空】上升暖氣流。adv. -ly
  • parameters : 編輯特徵參數
  1. Abstract : in the research of internal combustion engine, recordingin - cylinder pressure and temperature is an essential technique to study the thermal cycle of internal combustion engine. the combustion analyzer developed in this study will give both the measurements at sampling points per crank angle or sampling cycle, calculate and show the real time parameters which decide the working process of internal combustion engine, such as pressure accelerating rate, indicateed mean effective pressure, cycle - to - cycle variation, heat release rate, etc. compared with the imported congeneric products, the analyzer has many advantages such as chinese interface, low price, easy operateing, convenience in maintainance and easy upgrading

    文摘:為了測錄內燃機缸內的壓力及溫度，開發了一種內燃機燃燒分析儀.該分析儀由國產高速數據採集卡及自行開發的控制軟體組成.它不僅能精確設置每度曲軸轉角內采樣點的個數和採集循環數，而且在採集過程中能實時計算和表徵內燃機工作過程的壓力升高率、平均指示壓力、循環變動率、放熱率等參數.經實際使用以及與國外產品相比表明，此分析儀具有全中文界面、價格低、操作簡單、使用維護方便、功能便於擴充等優點
  2. Also the theoretical basis of the method have been checked through simple deducing simulation and the influences of various physical parameters on the method have been studied. it is shown that the method is theoretically reliable for the production oil wells without very high production rate and is more suitable in field production for oil wells ( i ) in area with bigger geothermal gradient ; ( ii ) producing fluids ( oil and water ) with distinguish thermal characteristics ; ( iii ) producing oil with lower heat capacity or water with higher heat capacity ; ( iv ) with good surface measurement accuracy, as well as the method h as certain requirements on the accuracy of the temperature and flowmeter logs sensors

    就該產出剖面方法的理論基礎進行了簡單的正演模擬和可能影響該方法的各項物理參數進行了全面的考察，結果表明，該方法對于非高產的生產油井來說在理論上是可靠的，在實際生產中適合於（ 1 ） 、油井所在地區地溫梯度較大的油井； （ 2 ） 、油水熱特性差別較大的油井； （ 3 ） 、油比熱容值偏低水比熱容值偏高的油井； （ 4 ） 、井口計量精度較高的油井，並且對井溫測井和流量測井的傳感性精度有一定的要求。
  3. Lastly, experimentations are carried out on chaochai 6102bq engine and the data of the thermal parameters according to different oil - apply lead angle is derived. the influence of the change of oil - apply lead angle on the rate of heat release is researched, then a reference is provided for building an accurate heat release model

    最後，在朝柴6102bq柴油機臺架上進行了試驗，對不同供油提前角下柴油機的熱工參數進行實機測試，對試驗結果進行了處理、分析，研究了供油提前角的改變對放熱規律的影響，為建立該故障下的燃燒放熱模型提供參考。
  4. This system contains four modules, data input, data update, data search and solidus / liquidus temperature calculation, which can achieve managing the thermal physical parameters expediently and efficiently

    系統包括參數錄入、數據更新、數據查詢和液固相線溫度計算模塊，實現了對參數數據的集中有效管理。
  5. The thermal visualizations of jet impingement cooling with single or double row holes inside semi - enclosed channel are measured by using infrared camera and then the impingement cooling heat transfer coefficients are deduced. the effects of flow and geometry parameters on convective heat coefficients are obtained. the results show that : for a single row normal impingement, the impingement cooling effectiveness is enhanced with the increase of impinging reynolds number or the decrease of hole space to diameter ratio, and the best effectiveness is achieved under the jet - to - surface spacing equals to 2 ; when the jet is oblique to the confined wall, the cooling effectiveness is weaken especially under the jet - to - surface spacing ratio is greater than 2 ; for double rows normal impingement cooling, the cooling effectiveness of rear row jet is weaker than the front row under lower impinging reynolds number or bigger jet - to - surface spacing

    對于單排垂直射流，沖擊冷卻效果隨射流雷諾數的增加、孔間距與直徑比的減小而得到提高，沖擊間距比為2時換熱效果最好;沖擊孔中心線向通道封閉一側傾斜后，射流沖擊冷卻的范圍變窄，當沖擊間距比大於2時駐點區的對流換熱能力明顯降低;對于雙排沖擊射流，孔排間距與直徑比的增加使沖擊冷卻范圍變大，但在兩排孔之間區域的對流換熱系數有所下降;在較小的沖擊射流雷諾數和較大的沖擊間距比下，後排射流的沖擊換熱效果要遜於前排射流。
  6. A transfer model is established, which can be used to study the interaction between the land surface physical processes of inhomogeneous region and the structure of atmosphere boundary - layer over urban and rural terrains. the model has simulated surface heat flux, surface temperature, temperature profiles, height of mixture layer and so on. and the differences between urban area, suburban area and rural area have been compared. this model mainly depends on the parameters below : surface albedo, surface roughness coefficient, moisture available coefficient of soil, thermal capacity and thermal diffusion coefficient of errain, cloudage. the result shows that this model can simulate the structure and eigenvalues of atmosphere boundary layer and their changes in a day. parameters used in this model aim at beijing city, and the time is at the beginning of september. to other cities, or other time, the parameters should be adjusted accordingly. in addition, being adjusted, the model can also be used for other homogeneous and inhomogeneous terrains

    模式主要依賴于以下參數和物理量：地面反照率下墊面粗糙度土壤的可含水量下墊面的熱容量和熱擴散系數雲量等參數。結果表明，本模式能合理地模擬不同地表熱量平衡地表氣溫混合層高度湍流交換系數湍流動能位溫廓線等，以及它們的日變化。該模式所取參數主要針對北京市，時間為九月初，對于其他城市，參數應作相應的調整。
  7. The analytical model indicates that the rubbing temperature of tire surface is affected by some parameters, such as ambient temperature, sliding speed and distance, normal load and thermal - mechanical properties of the counterface materials, as well as geometric shape of a tire footprint

    分析了大氣溫度、滑動距離、滑動速度、輪胎承載以及胎面和路面材料的物理性能對接地胎面溫度的影響。
  8. Since the temperature difference was most important parameters in thermal effects calculation, a combined temperature difference method considered year temperature difference and day temperature difference was put forward. with the combined temperature difference obtained from field tests, a lot of calculations have been done by finite element method ( fem ), considering of different structural measures. the law of displacement and stress in cshbb was presented and a relative displacement formula was deduced

    在介紹小砌塊建築的溫度作用分析方法的基礎上對溫度作用計算中最重要的參數? ?溫差取值進行了探討，提出了同時考慮年溫差和日溫差影響的組合溫差取值方法；根據各種不同的組合溫差取值方法，結合現場實測數據給出了試點建築的組合溫差取值，並考慮了不同構造措施的影響，對試點建築進行了有限元的溫度效應計算；給出了小砌塊建築的位移變化規律和應力變化規律以及層間相對位移的計算表達式。
  9. A novel dynamic evolutionary clustering algorithm ( deca ) is proposed in this paper to overcome the shortcomings of fuzzy modeling method based on general clustering algorithms that fuzzy rule number should be determined beforehand. deca searches for the optimal cluster number by using the improved genetic techniques to optimize string lengths of chromosomes ; at the same time, the convergence of clustering center parameters is expedited with the help of fuzzy c - means ( fcm ) algorithm. moreover, by introducing memory function and vaccine inoculation mechanism of immune system, at the same time, deca can converge to the optimal solution rapidly and stably. the proper fuzzy rule number and exact premise parameters are obtained simultaneously when using this efficient deca to identify fuzzy models. the effectiveness of the proposed fuzzy modeling method based on deca is demonstrated by simulation examples, and the accurate non - linear fuzzy models can be obtained when the method is applied to the thermal processes

    針對模糊聚類演算法不適應復雜環境的問題，提出了一種新的動態進化聚類演算法，克服了傳統模糊聚類建模演算法須事先確定規則數的缺陷.通過改進的遺傳策略來優化染色體長度，實現對聚類個數進行全局尋優;利用fcm演算法加快聚類中心參數的收斂;並引入免疫系統的記憶功能和疫苗接種機理，使演算法能快速穩定地收斂到最優解.利用這種高效的動態聚類演算法辨識模糊模型，可同時得到合適的模糊規則數和準確的前提參數，將其應用於控制過程可獲得高精度的非線性模糊模型
  10. The calculation software, which is compiled by microsoft visual c + +, can calculate the characteristic parameters of water and steam more quickly and precisely than before. further more, it can adjust the thermal parameters automatically

    此軟體界面合理，水和蒸汽的參數計算準確，熱力計算速度快，參數自動調節功能強，能完成多方面的功能，很好的勝任了本文的研究工作。
  11. Furthermore on the basis of the negative method and the sequence method for calculating the thermal parameters of steam turbine, this paper presents the combination method and this method has high accuracy and convergence

    然後，在分析汽輪機變工況熱力核算的逆序法和順序法的基礎上，引出了混合演算法，該演算法經驗算具有較高的準確性和收斂性。
  12. The coupled effect is analyzed for an elliptical inhomogeneity under plane uniform loads and linear temperature change at infinity. the complex potentials are obtained for an elliptical inhomogeneity under plane uniform mechanical loading, uniform temperature change and uniform heat flow directed at any angle. the discussion is also given to the variation of the interfacial stresses with thermal parameters

    分析了無窮遠平面加載和線性溫變的耦合效應，獲得了橢圓夾雜體在無窮遠平面均勻加載和均勻升溫以及任意方向的均勻熱流共同作用下的復勢解答，並討論了界面應力隨各熱載參數的變化規律，發現基體導熱性能越好（與夾雜相比） ，界面應力幅值越大。
  13. Identification of concrete thermal parameters based on fuzzy theory

    基於模糊理論的混凝土熱力學參數識別方法
  14. By applying " none homogeneous multi - laminate element ", hong - kou rcc gravity dam ' s simulation computing of temperature field and stress field at construction period and operation period for all courses and many factors. e. some kinds of methods are discussed in detail for temperature field back analysis, and artificial neural network method for back analysis of thermal parameters of concrete is suggested

    應用「非均質層合單元法」實現了洪口碾壓混凝土重力壩施工期、運行期全過程多因素的溫度場及徐變應力場的模擬計算，進行多方案的比較分析，推薦出優選溫控防裂方案，取得了非常滿意的成果。
  15. According to the observation data of rcc dam temperature, the thermal parameters were back calculated, and the results could meet the requirements of the project

    反演結果滿足工程需要。採用帶動量因子的自適應學習率bp演算法訓練網路，收斂性好。
  16. 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
  17. The main results, obtained in this dissertation, may be summarized as follows : 1. the identification problem of thermal parameters in the paleotempture field equation is reported

    本文取得的主要結果可概括如下1 、研究古地溫度場方程中的一些性能參數的識別問題。
  18. Test method for determination of fire and thermal parameters of materials using an intermediate scale test with vertically oriented specimen

    使用垂直定向樣品的中型試驗測定材料耐火和耐熱參數的試驗方法
  19. Through fault simulation database and simulation curves of thermal parameters, abnormal variation of thermal parameters can be seen clearly. fourthly, different engine malfunctions under different grades are tested on the simulation software. the result of simulation indicates the inner relations between engine malfunctions and abnormal thermal parameters, thus provides useful reference for fault diagnosis

    第四，採用柴油機熱工故障模擬軟體，對不同熱工故障在不同故障嚴重程度下進行模擬計算，對模擬結果進行了分析，確定各熱工故障下敏感熱工參數的變化規律，揭示了柴油機熱工故障與熱工參數之間的內在聯系，為柴油機熱工故障診斷提供了較準確的參考依據。
  20. It is feasible that neural network is applied to the feedback analysis of rcc thermal parameters during construction period. 3. research on the crack control measures of rcc dam in the view of structure

    採用神經網路進行碾壓混凝土壩施工期熱學參數反饋分析是可行的，為碾壓混凝土壩施工期熱學參數的反饋分析找到了一條新途徑。
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