燃燒速度試驗 的英文怎麼說
中文拼音 [ránshāosùdùshìyàn]
燃燒速度試驗
英文
firing time test- 燃 : 動詞1. (燃燒) burn 2. (引火點著) ignite; light
- 燒 : Ⅰ動詞1 (使東西著火) burn 2 (加熱或接觸某些化學藥品、放射性物質等使物體起變化) cook; bake; hea...
- 速 : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 試 : 名詞(古代占卜用的器具) astrolabe
- 驗 : 動詞1. (察看; 查考) examine; check; test 2. (產生預期的效果) prove effective; produce the expected result
- 燃燒 : (物質劇烈氧化而發光、發熱; 燒) burn; kindle; flame; set on fire; [化學] combustion; inflammation; ignition
- 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
- 試驗 : trial; experiment; test
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In the article, the originator worked out the mechanism of magnesium - base alloys catching fire ; analyzed briefly the influence of the temperature, the heating velocity and the pressure of oxygen in the atmosphere on the lumps and scraps of pure magnesium ’ s catching fire, and designed a practical method to measure the kindling temperature of the lumps and scraps of pure magnesium precisely, with which the initial quantization of kindling temperature can be realized
本文圍繞鎂合金阻燃技術的開發作了許多基礎性的研究工作,通過分析大量的相關文獻和試驗結果,初步得出了塊狀鎂和鎂屑的燃燒機理,簡要分析了溫度、升溫速度、環境中氧的分壓對塊狀鎂和鎂屑的起火燃燒所產生的影響。設計出了精確度高、實用性強的塊狀鎂和鎂屑的燃點測試方法,使塊狀鎂和鎂屑的燃點得到初步的量化。Moreover, it has been pointed out that the hydrogen engine used in ? cylinder injection with high pressure can increase volumetric efficiency and compression ratio, - therefore, the performance indexes in this engine, such as output power, thermal efficiency, range of thickness of mixture with normal operation and nox emission, can be improved, and it is possible for the engine to realize rapid combustion of thin mixture, so abnormal combustion, such as backfire, pre ? ignition, can be controlled effectively
指出了採用內部混合氣形成方式且高壓噴射的氫發動機,有利於提高充氣效率和壓縮比,從而改善發動機的動力性和經濟性;有利於擴展發動機正常工作的濃度范圍;並且有利於實現稀薄混合氣快速燃燒,從而可以有效地抑制早燃、回火及爆燃等異常燃燒和no _ x排放量。試驗指出了發動機的點火正時、噴射正時及噴氫量對發動機的性能、異常燃燒、 no _ x排放量有很大影響。Whole scheme of frame design of test - bed is proposed as : the host fanner supply the firebox the once and twice air required by diesel oil ' s burning and the cooling air ; the export parameter of the test - bed is varied by the adjust of the flux of air and diesel oil. and the air flux is varied by adjusting the rev of the fanner adjusted by transducer and the corner of the fan inlet adjusted by step motor. the quantity of oil is varied by adjusting the oil valve adjusted by step motor ; the measurement of the air flux in the test - bed adopts the method of fanner dynamics performance test in the nation criterion
確立了實驗臺結構設計方案:主風機為燃燒器提供燃燒所需的一次、二次進風量及冷卻風量;利用變頻器調節主風機轉速、用步進電機調節風門開度來調節風量,用步進電機調節回油閥開度來調節供油量,從而實現對模擬實驗臺出口煙氣熱流量的調節;實驗臺的流量測量採用風機動力性能測試標準中測流量方法等。Whole scheme of frame design of testing flat is proposed as : the host fanner supply the air required by flamer ’ s burning and cooling, the export parameter of the flat varies by different rotate speed of the fanner 、 angle of the fan inlet and the quantity of oil, the measurement of flow in the testing flat adopts the method of fanner dynamics performance test in the nation criterion
確立了實驗臺結構設計方案:主風機為燃燒器提供燃燒所需的一次、二次進風量及冷卻風量;模擬實驗臺出口煙氣熱流量是通過調節風機的轉速、風門開度及燃油量來改變;實驗臺的流量測量採用風機動力性能測試標準中流量方法等。The timing - and - quantitation precision injection of lpg was realized with high - speed lpg solenoid valve and a set of electronic control system, which was designed by the author and can flexibly control the gas supply system of lpg. based on the analysis of experimental data got by comparing the performances before and after the application of the set of equipment on lr6105q12 diesel engine, the effects of load, speed and replace ratio, etc on the emissions of smoke, hc and co of dual fuel engine were expounded. through optimization, the smoke emission was utmostly reduced and the emissions of hc and co were within the government restriction
為此,本文通過對各個方案進行詳細比較,選擇了電控多點順序噴射的供氣方案;利用高速lpg噴射閥和自己獨立開發出一套電子控制系統對lpg供氣進行靈活地控制,實現了lpg的定時定量噴射,並把這套裝置應用到中國一拖生產的lr6105q12柴油機上,在對改裝前後的發動機進行大量試驗和分析的基礎上,闡明了負荷、轉速、摻燒比等因素對雙燃料發動機的煙度、 hc 、 co等排放的影響情況,並且通過優化,最大限度地降低了發動機的煙度排放,同時使hc 、 co排放限制在國家標準規定的范圍之內。This paper researched rules of ignition and combustion stability under pressurized environment, discussed how to calculate ignition temperature, and also studied the effects of many factors, such as categories of semi - coke, total pressure, oxygen concentration, particle size, heating rate, on ignition character
研究了加壓條件下半焦的著火規律和燃燒穩定性。討論了著火溫度的確定方法,對加壓下影響半焦著火特性的各種因素,如半焦種類、總壓、氧濃度、粒徑、加熱速率等進行了試驗研究。For the dual register burner, while cat being applied, it simulates the influences of the flow field in the burner by changing the velocities of primary flow and inner / outer secondary flows, and by changing the opening percents of inner / outer vanes. eventually, the appropriate values for velocities and opening percents of vanes are recommended, to provide engineering problems with theoretical orientations
針對雙調風旋流燃燒器,本文運用計算機輔助試驗( cat )方法對一次風速度,內、外二次風的葉片開度及內、外二次風速度對燃燒器內流場的影響進行了數值試驗,得出了雙調風旋流燃燒器推薦使用的二次風葉片開度和速度值范圍,為工程應用提供了理論依據。There are great differences between ground test of a flight vehicle ' s aerodynamics and that of a dual - mode scramjet when ground test facilities are used to do experiments on a dual - mode scramjet engine, the components of incoming flow and its parameters, including total pressure, total temperature ( or total enthalpy ) and velocity must be simulated. at the same time, since the fuel ' s resident time within a combustor is very short, on the order of one millisecond, it is difficult to measure the flow - fields
進行雙模態沖壓發動機地面試驗研究時,必須要求試驗設備能模擬實際飛行條件下來流氣體的組分、總壓、總溫(或總焓)以及來流氣體的流動速度;同時由於燃料在燃燒室內駐留的時間很短,一般為毫秒量級,從而使流場物理量的測定顯得非常困難。Moreover, the data processing method of accelerated life test is used to solve the problem of the reliability data conversion under different operating status to liquid rocket engine. and the counter power law model is introduced as the relation model between the characteristic life and the combustion chamber pressure, the accelerated life equation of the constant stress accelerated life test for the weibull distribution is obtained, through the accelerated life equation, the reliability estimate of different combustion chamber pressure is calculated
再次,採用加速壽命試驗的數據處理方法對液體火箭發動機不同工況下可靠性數據折算的問題進行了研究,引入逆冪律模型作為特徵壽命與燃燒室壓力之間的關系模型,得到了weibull分佈下恆定應力加速試驗的加速壽命方程,並通過加速壽命方程折算出不同室壓下的可靠度估計。( 4 ) the application of artificial neural network in the field was studied. by bp ( back - propagation networks ) neural network and rational choice of the calculation factor, the relation between the improved mixture composition and combustion rate, and that between the charge of ignition rocket and p - t curve were simulated. the model could exhibit in essence the inherent relation and the forecasted results were in good agreement with the actual testing results, which showed that the model could be used as a guide for the design of the composition and the ignition engine, and that artificial neural network could be employed in the field for the purpose of reducing experimental work of hazardous materials
( 4 )對人工神經網路在該領域的應用進行了研究,先後利用誤差反傳神經網路( bp網路) ,並選擇合理的計算因子,分別對改進耐水點火藥配方與燃燒速度以及點火發動機裝藥與p - t曲線進行了模擬,模型基本能夠反應它們之間的內在聯系,預測結果與實際測試結果基本吻合,模型基本能夠指導藥劑配方和點火發動機的設計,表明了人工神經網路可以應用於該領域以期達到減少危險品試驗的目的。Standard test method for horizontal burning rate of polymeric materials used in occupant compartments of motor vehicles
機動車乘客車廂內使用的聚合材料的水平燃燒速度的標準試驗方法This paper also studied effects of categories of semi - coke, total pressure, oxygen concentration, particle size and heating rate on maximum mass loss - rate, burning time, burn - out temperature, and described the dynamic transformation of combustion reactivity of semi - coke under different testing condition
分析了半焦種類、實驗總壓、氧濃度、試樣粒徑和加熱速率對最大失重速率、最大失重峰溫、燃燒時間、燃燼溫度等的影響。分享友人