測熱學 的英文怎麼說
中文拼音 [cèrèxué]
測熱學
英文
calorimetry-
A lot of engineering applications are carried out using our proposed method in this paper, such as thermal deformation measurement of a car lamp, analysis of the super low frequency harmonic vibration of a piezoelectric ceramic, dynamic mechanical behavior analysis of the ballistite material and so on
在前面所提出的理論基礎之上,本文對該方法在實際工程中的應用做出了大量的工作。本文利用時間序列法實現了汽車前燈配光鏡的熱變形檢測、壓電陶瓷片的超低頻振動分析以及火箭固體燃料的動態力學特性研究。Energy measurements of biologic material require determination of the thermochemical caloric content.
生物物質能量的測定,要求測定熱化學的卡數。V2o5 and vo2 thin films are a kind of outstanding chromogenics, and have a large potential for various applications, such as display devices, light storage devices, optical switch, bolometer, smart - windows and so on
主要應用於顯示器件、光學開關、光存儲、激光保護、輻射測熱裝置等,特別是在智能窗材料方面的應用已成為研究的熱點。All the diathermanous processes of the measurement and control platform are analyzed from the angle of thermal science. we compute the design parameter of the thermoelectric refrigerator, present the measures of improving or weakening the corresponding diathermanous processes, which is the theoretical basis of the next design
從熱學的角度分析了溫度測控系統的各個傳熱過程,計算出半導體製冷器的設計參數,給出了強化或削弱相應傳熱過程的措施,為下?步設計奠定了理論基礎。China has also taken part in global oceanographic activities, including the gsmmp ( global studies and monitoring of marine pollution ), the toga ( tropical ocean and global atmospheric project ), the woce ( world ocean circulation experiment ), the jgofs ( joint global ocean flux study ), the loice ( land - ocean interaction in the coastal zone ), and the globec ( global ocean ecosystem dynamics ), making positive efforts to promote worldwide oceanographic cooperation
中國參與了全球性海洋科研活動,包括全球海洋污染研究與監測、熱帶海洋與全球大氣研究( toga ) 、世界大洋環流試驗( woce ) 、全球聯合海洋通量研究( jgofs ) 、海岸帶陸海相互作用研究( loice ) 、全球海洋生態系統動力學( globec )等,為推動全球海洋科技合作作出了積極努力。Observation of the on - off sequencing of characteristic spectral lines from tracer materials arranged in layers in, or surface patterns on, planar or spherical targets can provide a record of radial or lateral energy transport processes in laser - generated plasmas
測量激光聚變靶產生的軟x射線時間變化連續譜的形狀,可以知道許多x射線產生過程的詳細動態記錄,這有助於理解實驗的熱學條件。觀察軌跡特徵譜線的閉合序列,能提供關于激光等離子體激發能量和滯后能量的傳輸過程記錄。On the basis of this, the paper specially discusses the ore precipitating mechanism and the ore origin. fluid - inclusion observations and microthermometric data suggest that the ore - forming fluid is middle - low temperature hydrothermal solution, it also reports the presence of high - salinity inclusions containing hilite in porphyry rock and ore - hosted quartz vein
流體包裹體巖相學和顯微測溫學研究表明,銀山礦床成礦流體屬于中低溫熱液范疇,在石英斑巖和多金屬礦脈中都發現有含石鹽子礦物的高鹽度流體包裹體。Based on the theories of gear engagement, contact analysis, friction and heat transfer, a three - dimensional finite element model of gear tooth was established to investigate temperature distributions and variations along the contact path over a range of applied loads and operating speeds with consideration of lubrication conditions. sensitivity analysis of surface temperature to gear configuration, frictional heat flux, heat transfer coefficients, and oil and ambient temperature was conducted and the major parameters influencing surface temperature were evaluated
本文基於齒輪嚙合原理、輪齒接觸分析、摩擦學和傳熱學,以有限元分析方法和理論分析計算相結合為手段並以實驗測量結果作為參考,建立了適用於工業應用並具有較高計算精度的高速齒輪傳動輪齒溫度分析的模型和方法,系統地分析了輪齒本體溫度的大小和分佈以及齒輪幾何、載荷及轉速和潤滑冷卻條件等對輪齒本體溫度的影響。This paper introduces measurement methods applied to ec and oc analysis nowadays, including optical method and thermo method thermooptical method to demonstrate their advantages and disadvantages, and to give an expectation for ec and oc in upcoming research
本文介紹了現階段氣溶膠有機碳和元素碳的各種檢測方法,將其大體分為光學法和熱學法光熱法兩類,分析了各種方法的優缺點並提出自己的觀點,最後展望了氣溶膠有機碳元素碳的研究前景。This paper introduces measurement methods applied to ec and oc analysis nowadays, including optical method and thermo method thermo - optical method to demonstrate their advantages and disadvantages, and to give an expectation for ec and oc in upcoming research
本文介紹了現階段氣溶膠有機碳和元素碳的各種檢測方法,將其大體分為光學法和熱學法光熱法兩類,分析了各種方法的優缺點並提出自己的觀點,最後展望了氣溶膠有機碳元素碳的研究前景。This paper introduces measurement methods applied to ec and oc analysis nowadays, including optical method and thermo method thermo ? ? optical method to demonstrate their advantages and disadvantages, and to give an expectation for ec and oc in upcoming research
本文介紹了現階段氣溶膠有機碳和元素碳的各種檢測方法,將其大體分為光學法和熱學法光熱法兩類,分析了各種方法的優缺點並提出自己的觀點,最後展望了氣溶膠有機碳元素碳的研究前景。It presents a mathematical heat transfer model of air and soil temperature in greenhouse basing on the theory of transmission of heat. the model calculates the heat diffuse coefficient of soil by difference method and establishes regression equation on experimental data by sas
基於傳熱學的熱傳導方程,利用測試的地溫數據,選用差分法計算了土壤熱擴散率,應用sas軟體擬合了非線性方程,建立了日光溫室土壤溫度場的數學模型。Through having done field surveys in the campus of chongqing university, this paper tested classroom indoor and outdoor climate parameters in june, july and september of 2005, it used questionnaire to acquire subjects ’ thermal sense, draft sense and humidity sense in classroom each month, and programmed composition to compute predicted mean vote and compared pmv with the field testing results of mean thermal sensation vote. it is discovered that pmv is overvalued the college student ’ thermal sensation in chongqing. it finds that people in chongqing adapt to the typical summer hot and winter cold sweltering weather
對重慶地區高校教室的現場調查,測試了重慶大學2005年六月、七月和九月教室室內外熱環境參數,通過採用問卷主要掌握了受測對象教室里的冷熱感、氣流感和潮濕感,通過編製程序求得預測平均熱感覺評價pmv的值,比較pmv和問卷調查得到的平均熱感覺mtsv ,發現pmv預測值高估了重慶地區高校學生的熱感覺,這里的人群對重慶這種夏熱冬冷地區比較典型的悶熱氣候具有一定的熱適應性,對現場問卷調查的結果進行分析,得出了室內空氣溫度、氣流速度、相對濕度與人體主觀感覺之間的回歸曲線,發現重慶地區高校學生熱中性時的空氣溫度為25 . 5 , fanger根據歐美人群調查得到的公式計算出的預測熱感覺為中性時的空氣溫度為25 . 0 ,兩者相差0 . 5 。This text completely and systematically studies the status and the development of the pyrolysis and the fluidization of biomass, which distill the bio - oil in the domestic and international area, as well as the existing problems. this thesis primarily include following aspects : ( l ), by experimenting and measuring the energy ( heat value ) and the content of c, h, n chemical element of right 20 kinds of common biomass, on the base of the experimental result, and respectively established the biomass energy predict experiment formula with the element of h and c is from change, and passed the ro. os examination, which provides the basis and convenience for flash pyrolysis fluidization device energy to convert the rate to compute with biomass energy utilization calculation ; ( 2 ), proceeded the tg and dtg experimentation equal velocity ( 10 ? / min, 20 ? / min, 40 ? / min, 60 ? / min ) heating and constant temperature heating by studying on eight kinds of biomass samples, according to the experimental data and arrhenius formula, we established the dynamics model of pyrolysis of, then, using the goast - redfern and p function, we also solved the dynamics parameters and analyze out every kind of biomass ' s frequency factor and parameters of activation energy, and established the every kind of dynamics model of pyrolysis of biomass, all of these provide the theories and basis to make sure the reactor ' s flash pyrolysis work temperature scope design and the describing of pyrolysis reactor dynamics ; ( 3 ), in order to study and ascertain the process of heat completely getting to pyrolysis time of varied size biomass particles, we observed and measured the ratio of length and diameter ( l / d ) with the varied biomass through electron microscope, we concluded the l / d ratios usually is from 5. 0 to 6. 0, the average is 5. 3 ; ( 4 ), we studied the process of biomass transiting and the theory of complete pyrolysis time with the theory of complicated heat field, we got the time ( t ) of the varied size biomass particles arriving to complete pyrolysis, and we knew that the complete pyrolysis time and the time which get to the biggest production ratio are identical, all of these studies provide the theory base for design and forecasting the flash pyrolysis reactor solid state resort time ; ( 5 ), according to the above experiment result, synthesize to make use of the engineering the mechanics, engineering the material, machine the design to learn the principle, deduce, establish the theory of rotation cone flash pyrolysis reactor material resort time ( t ) and reasonable rotation velocity ( or frequency ) relation theory ; and ( 6 ), we gave the reactor ' s smallest cone angle certain, reactor cone wall strength design theory, the reactor production ability theory, the power design method and the critical rotation velocity theory
本文較全面、系統地綜述了國內外生物質熱解液化制取生物燃油技術研究發展現狀及存在的問題,主要研究內容有: ( 1 )實驗、測定了20種常見生物質的能量(發熱量)和c 、 h 、 n元素含量,根據實驗結果分別建立了以h和c為自變量的生物質能量預測經驗公式,並通過r _ ( 0 . 05 )檢驗;為閃速熱解液化裝置能量轉化率計算和生物質能量利用率計算提供了依據和方便; ( 2 )選擇了8種生物質試樣作了等加熱速率( 10 min 、 20 min 、 40 min 、 60 min )和恆溫加熱的tg和dtg實驗,根據實驗數據和阿倫尼烏斯公式建立了生物質熱解反應動力學微分方程,並採用goast - redfem積分法和p函數對其動力學參數進行了求解,解析出各種生物質的頻率因子和活化能參數,進而建立了各種生物質的熱解動力學模型,為科學確定反應器的閃速熱解工作溫度范圍及熱解反應動力學描述,提供了理論和依據; ( 3 )為研究和確定不同尺度的生物質顆粒中心達到全熱解的時間,在體視顯微鏡下對不同粒度的生物質顆粒的長徑比進行了實驗觀察和測定,得出生物質的長徑比( l d )一般在5 . 0 6 . 0之間,平均為5 . 3的結果; ( 4 )採用復雜溫度場傳熱學理論對生物質傳熱過程及充分熱解時間理論進行了研究,解析推導出了不同尺寸生物質顆粒中心溫度達到充分熱解溫度的時間( t ) ,得出了理論推導的充分熱解時間與最大產油率的熱解時間相一致的結果,為閃速熱解反應器固相滯留時間設計和預測提供了理論依據; ( 5 )根據上述實驗結果,綜合運用工程力學、工程材料、機械設計學原理,推導、建立了轉錐式閃速熱解反應器物料滯留時間( )與轉速(或頻率)合理匹配理論; ( 6 )提出了轉錐式閃速熱解反應器的最小錐角設計、錐壁強度設計、生產能力設計理論和功率計算方法及臨界轉速理論等。Practice heating test of spread sample has been underway and contrasted with traditional electric furnace. production technology, structure and property of the coating have been studied in order to search for a. new technology method with not only enhancing thermal conductivity of coating but also dropping its electrical conductivity and reducing its production cost
對試樣進行了關鍵熱學性能、電學性能的測試,並進行掃描電鏡分析,對塗覆樣品進行實際加熱測試,並和傳統意義上的電爐進行對比,通過對耐火塗層生產工藝、組織及性能的關系的研究,以探求一種既能提高塗層的導熱性能又能降低導電性能和生產成本的工藝方法。The research for the absorptance of materials is significant to the development of laser material processing. the measurement method is the foundation of the absorptance research. in this paper the lumped method based on heat transfer is established for the absorptance of laser, and the measuring apparatus is also built up. as examples, the absorptance of laser is measured for several ordinary engineering materials
材料對激光吸收的研究工作對激光加工的發展有著非常重要的意義.而吸收率測量方法的研究是材料對激光吸收研究工作的基礎.從量熱的角度出發,利用傳熱學中的集總參數法建立了測量吸收率的方法,設計了相應的試驗裝置,並測量了幾種常用工程材料對激光的吸收率Third, the mechanical properties were conducted by tensile test, and analyzed the relationship between the length, content, coupling agent levels and the tensile strength, tensile modulus of composites films. the result showed that the optimum formulation was the contents of long milled glass fiber 20. 0wt % and coupling agent kh - 550 1. 0wt %
最後,利用動態力學分析( dma )和差示掃描量熱儀( dsc )對所制備的應變片基底材料進行了熱學性能測試,得到了材料的玻璃化轉變溫度tg 、蠕變和應變回復率。The magnitude of the conductivity maximum increases and shifts to lower temperature with increasing sr content. in this paper, the electrical conductivity reaches maximum value at x = 0. 4. below the temperature corresponding to the maximum value, the electrical conductivity is found to follow the relationship for the small polaron hopping mechanism, charge compensation of oxygen vacancy dominates electrical conduction at high temperature, and oxygen vacancy acts as traps to catch carriers, resulting in the decrease of carriers concentration and mobility
通過電學和熱學性能測試結果表明,電導率隨著sr含量的增加以及溫度的變化都出現了極大值,在本論文中,在sr含量為0 . 4時電導率值最大,電導率最大值對應的溫度隨著sr含量的增加而降低,這是由於在低溫下以小極化子導電機理為主,在高溫階段則是氧空位的電荷補償占據主導作用,氧空位使得載流子的濃度和可動性減弱,從而導致電導率降低。Compared with traditional air - conditioning, its advantages lie in thermal comfort energy efficiency free use of spacing and etc. this paper introduces the procedure and the result of the experiment of gas - heater radiant floor system and gshp radiant floor system and compares them with traditional air - conditioner. based on the analysis of the heat transfer of radiant floor, this paper uses the theory of heat transfer to establish a mathematical model and computes it with difference equation. the important factors inferred from the model such as floor surface temperature heat intensity composite heat transfer coefficient deviate from the experiment result in a small range of 20 % and fit the need of the practical use
在分析了輻射地板傳熱機理的基礎上,文中利用熱傳導、大空間的自然對流換熱等傳熱學理論建立了輻射地板的傳熱模型,再採用有限差分方法對模型求解,所得有關輻射地板供冷熱性能的重要參數如地板表面平均溫度、熱流密度、地板表面復合換熱系數等與實測值相差在20以內,滿足工程使用要求;同時得出輻射地板盤管供水溫度是影響地板供冷熱性能的重要因素的結論。This paper chose the important part of environment field, namely temperature field as research object, looking pavement structure as samdwich, according to heat conduction theory deduce the analytic solution of one dimension unstable state temperature field modified by year temperature of pavement structure in natural environment, tested by practically measure, the analytic solution of temperature field accords with the temperature distributing law of pavement structure
道路環境場研究是路面長期性能研究的重要組成部分和基礎。本文選擇道路環境場中最主要組成部分? ?溫度場為研究對象,視路面結構為層狀體系,根據傳熱學原理推導出自然環境下經過年溫度修正的以天為周期的道路結構?維非穩態溫度場解析解,經過實測驗證,符合道路結構的溫度分佈規律。分享友人