火焰的輻射 的英文怎麼說
中文拼音 [huǒyàndefúshè]
火焰的輻射
英文
flame radiation-
Design should recognize that burner flame length shortens and intensity of radiation increases as pressure increases.
設計時必須認識到當壓力增加時火焰的長度縮短而輻射強度增加。At last, the conclusions of the whole thesis are drawn, and it is put forward that the future research emphases on the infrared radiation absorption ct technology should focus on : instantly get the absorption projections are the crucial factor to utilize the technology industrially ; on the basis of the hypothesis that the gas is ideal gas, species concentration of particular gas medium can be measured at the same time, which must be helpful to comprehend combustion essence ; if laser source to replaces blackbody stove, for irradiant flame, interferometric projection can be attained, and its temperature distribution will known
最後,對全文進行了總結,並指出今後研究工作重點。指出:瞬時得到各方向的投影是此技術實用化關鍵;在獲得溫度分佈信息基礎上,進行必要的假設和推導,能同時得到火焰中某特定組分濃度的分佈,這必將進一步我們對燃燒本質的理解;利用方向性好,輻射強度高的激光源代替常規的黑體爐,能得到輻射干涉投影圖像,這樣就能測量所介紹系統不能測量的發光火焰溫度分佈。First the author introduces the design of the flame monitoring system based on pic16f877 mcu in details. the detector, ( ecadata company ’ s production ), si - photodiode, is used as the sensor. its photoelectric current output is proportional to input light ’ s energy
經方案比較,決定選用基於火焰的紅外光譜輻射特性的火焰檢測原理,研製開發火焰監測系統,檢測元件選擇ecadata公司生產的紅外雪崩型硅光電二極體,光電二極體在接受紅外輻射時,其產生光電流的大小與入射光能量成正比。Stationary source emissions. determination of the mass concentration of total gaseous organic carbon at low concentrations in flue gases. continuous flame ionisation detector method
穩定源輻射.煙道低濃度氣體氣化有機碳濃縮總量的測定.連續火焰離子檢測器法First, this thesis studied the performance of the image processing system, such as the color principle of ccd camera, the radiation transfer principle of system, geometry optics model of system and so on. then the system hardware frame was established
首先,本文充分研究了火焰圖像處理系統中彩色ccd的工作原理、色度學原理、成像系統的輻射度學原理、幾何光學模型以及數字化成像原理,並建立了燃燒可視化監控系統的硬體框架。It is very difficult to analyze flame radiation in the cylinder of a diesel engine by theoretical method since flame radiation is a function of many parameters, such as the combustion process, the geometrical description of the chamber, the soot formation and oxidation processes, the soot radiant temperature and soot absorption coefficient. the radiant property of the flame in a cylinder is dependent on the combustion process. but the thermodynamic state of real engine cycles can be analyzed from the pressure - volume diagrams in the cylinder. thus a new thermodynamic computational model is set up for the flame radiation in the cylinder of a diesel engine based on the indirect relationship between the flame radiation and the pressure - volume diagram of the combustion process in this paper. the flame radiant heat flux in the cylinder of a di diesel engine is calculated with the variation of crank angle by this model. compared with measured values, the result of the computational values shows the model is available to represent the effects of flame radiation
柴油機缸內的火焰輻射受諸多因素的影響,用理論分析法來確定它是相當困難的,由於柴油機缸內火焰輻射特性依賴于缸內的燃燒過程,而燃燒過程中的實際熱力狀態又可用示功圖來分析,因此藉助於火焰輻射與缸內熱力參數之間的這種間接關系,建立了一種計算柴油機缸內火焰輻射傳熱的新模型,利用該模型對一臺直噴柴油機缸內火焰輻射熱流量隨曲軸轉角的變化情況進行了計算,將計算結果與實測結果進行了比較,表明該模型能較好預測缸內火焰輻射傳熱量。Stationary source emissions - determination of the mass concentration of total gaseous organic carbon at high concentrations in flue gases from solvent using processes - continuous flame ionisation detector method
固定源輻射.使用連續火焰離子化檢測器法測定在高濃縮時由溶劑產生的廢氣中總氣態有機碳的質量濃度Bodily injuries resulting from dry heat generated by flames, electric current, hot objects, radiation, over - exposure to sun rays chemical corrosives, etc
燒傷:指因火焰電流熾熱物品輻射曝曬化學腐蝕劑等產生的乾熱,對身體造成的傷害。The gasoline flame radiation intensity and flicker frequency are both monitored to improve the system reliability. thus it is trusted “ flame on ” only under the case when the radiation intensity and flicker frequency are both above the threshold values ; otherwise it is treated as “ flame blowout ”. then the transmitter, the displayer and the software also are present
本設計中採用同時測量火焰輻射強度和燃燒時閃爍頻率的方式保證監測的可靠性,當頻率和強度均高於設定的閾值時,判定為「有火」 ;反之,判定為「無火」 。The full text is divided into five chapters, chapter one recommends the commonly used high - temperature flame measure methods at present, including contact - type temperature measure method and non - contact - type temperature measure method, explain ccd flame temperature detection method based on optical radiation energy
全文共分為五章,第一章介紹目前常用的高溫火焰測量方法,包括接觸式測溫法和非接觸式測溫法,闡述基於光輻射能的ccd火焰溫度檢測方法。2. the physical process of boiler flame combustion and radiation and the three - colour method using color ccd theory are studied
研究了鍋爐火焰燃燒和輻射的物理過程以及採用彩色ccd的三色測溫的原理。In this thesis, we discussed the basic theory and the status about this technology, designed software package, and analyzed the problem founded in calculation. the main works are follows : 1
對國內外輻射測溫方法和技術進行了較為系統的論述,對其存在的問題進行了分析,並指出利用火焰圖像測溫的意義和方法。Numerical calculate on flame radiation of high temperature air combustion
高溫貧氧燃燒過程火焰輻射的數值模擬計算Stationary source emissions - determination of the mass concentration of total gaseous organic carbon at low concentrations in flue gases - continuous flame ionization detector method
固定源輻射.低濃縮下煙道氣體中總氣態有機碳的濃縮質量測定.連續火焰電離檢測器法Experimental results on butane and butane - plant oil flames indicated that, measurement precision by the multi - wavelength method is strengthened by taking radiation information on multiple wavelength units into consideration, and moreover, the radiation calibration procedure is simplified, in that a halogen light source is used instead of in situ flame radiation. in section 2, fluctuation and averaging analyses are carried out on optical transmission signals by particles passed through laser beams to derive particle size and concentration in measuring area, furthermore, correlation calculations are conducted on two adjacent laser beam signals to obtain flowing velocity of particle
對丁烷氣體火焰及丁烷-植物油混合燃料火焰的測量結果表明,多波長分析方法優于傳統的雙色法,表現在兩個方面:一、由於綜合考慮多個波長單元上的火焰輻射信息,多波長方法的測量精度比雙色法有較大的提高;二、在多波長分析方法中,採用標準鹵素燈進行相對輻射強度標定,簡化了雙色法中的火焰絕對輻射強度的標定。3. the formula with more precise is developed on the theory of color and the effects of flame radiation. the visual temperature field is provided for operator
3 .利用色度學理論、輻射定理和火焰的輻射特性,並經過推導與分析,得到了相對精度較高的溫度場計算公式,為運行人員提供了燃燒相對溫度場圖像。In the study, sd2000 spectrometer is applied to obtain radiation spectrum of flame within wavelength 480 - lloonm, from which flame temperature and monochromatic emissivity are derived by newton raphson non - linear method and levenberg - marquart modeling method. the flame monochromatic emissivity is translated in form of f ( / l ) and a ( a ) respectively
在該方法中,採用sd2000型光纖光譜儀測量火焰在可見光( 480 - 1100nm )波長范圍內的火焰的輻射光譜,結合newton - raphson非線性迭代演算法和levenberg - marquardt最優化演算法,得到火焰溫度和單色輻射率變化規律。Air quality. stationnary sources emissions. determination of an index for the gaseous organic content. flame ionization method
空氣質量.固定源輻射.氣體有機化合物含量指數的測定.火焰電離子化法We obtained the formula between the flame temperature and ccd image, analyzed the errors in the formula ; 3. we designed and made a flame temperature measurement system based on the color ccd image
根據ccd器件、幾何光學、輻射測溫機理、火焰的灰體假設,得出火焰溫度與ccd輸出圖像之間的關系式,對影響關系式的各種因素進行了分析; 3Reaction to fire tests - horizontal surface spread of flame on floor - covering systems - determination of the burning behaviour using a radiant heat source
著火試驗反應.地板覆蓋物上火焰的水平面擴展.用輻射熱源測定燃燒性能分享友人