ignition rate 中文意思是什麼
ignition rate
解釋
炸藥著火速度-
The investigation has declared that the fuel injection with bq fuel pump had higher injection pressure, bigger fuel supply rate and shouter fuel supply duration, which would cause the fuel injection quantity and the fule - air mixture to increase during ignition delay period, the pre - mixed combustion to become acutely, and finally result in increased power levels of noise
研究表明，裝配bq噴油泵，噴油系統的噴油壓力較高，供油速率較大和供油持續時間縮短，使得滯燃期的噴油量增加，滯燃期內形成的可燃混合較多，預混燃燒劇烈，導致整機噪聲聲功率級增加。 -
It ' s the first time to explore the combustion characteristics of lpg / diesel mixing fuel engine, and find that, with the change of load and rotation, the changing trend of the ignition delay period of e10 mixing fuel is almost as identical as that of the diesel, but that of e30 mixing fuel is very different. comparing with diesel, the combustion of e10 is improved slightly, but that of e30 greatly changes ; the maximum eruptive pressure decreases ; the maximum pressure increase rate decreases ; the highest releasing heat rate increases ; the highest combustion temperature falls ; the ignition delay period extends
結果表明: e10混合燃料與柴油的著火滯燃期隨負荷和轉速的變化趨勢基本一致; e30混合燃料與柴油則有所不同; eio混合燃料發動機的燃燒與純柴油相比，略有改善; e30混合燃料的燃燒特性發生明顯的變化，最高爆發壓力下降，最大壓力升高率減小，最大燃燒放熱率增大，最高燃燒溫度下降，滯燃期延長。 -
In the aspects of burning, the ignition time and the regulation of heat release rate are affected severely by lng " weathering ". the ignition time is postponed obviously, and heat is more concentratedly released. in the aspects of exhaust, there are slightly influences on co, hc and nox, and no obvious influence on carbon smoke
在燃燒性能方面， lng 「老化」后對發動機的著火時間和放熱規律有顯著影響，著火明顯推遲，放熱更加集中；在排放性能方面， lng 「老化」后對發動機co 、 hc 、 nox的排放略有影響，對碳煙的影響不明顯。 -
The system has following functions : showing indicator diagram, the mean value of maximum pressure, maximum pressure raise rate and rotating speed, the distribution of maximum pressure, maximum pressure raise rate and ignition advance angles, the speed fluctuation in cycle, speed fluctuation between cycle and ignition advance angles
本系統可以完成如下的工作：測量摩托車發動機的平均示功圖；平均最大壓力上升率；平均最高壓力；平均轉速；點火提前角；最大壓力分佈；最大壓力上升率分佈；點火提前角分佈；循環內轉速波動；循環間轉速波動等。 -
Investigation results show that dme engine has shorter ignition delay, lower peak pressure, lower maximum rate of pressure rise
研究表明:二甲醚發動機具有短的滯燃期，較低的最高爆發壓力和最大壓力升高率。 -
Much works has been distributed to the development of a vacuum system to simulate the outer space and a measurement system to test the arcjet performance. ignition experiments in various operational modes have been done with argon as propellant. macroscopical working parameters including thrust, mass flow rate, voltage, current, inlet pressure and vacuity are obtained by the test measurement system and actual performance parameters including specific impulse, thrust efficiency, ratio of thrust and power and ratio of power and mass flow are calculated
以氬氣作為推進劑，在不同工況下進行點火實驗，測量獲得了其工作推力、電弧電壓和電流、推進劑流率和弧室壓力等宏觀參數，得到了不同實驗條件下其工作的實際比沖、推力效率、推力/功率比以及比功率等性能參數，分析了推進劑質量流率、電弧功率、電弧加熱發動機電弧室結構尺寸等因素對其性能的影響，為數值模擬研究和實際的低功率電弧加熱發動機優化設計及研製提供了實驗基礎。 -
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。 -
The research showed that for anthracite, lean coal and bituminous, the reaction rate became larger and the ignition activation energy became smaller
結果表明：從無煙煤、貧煤、煙煤，其反應速率越來越大，著火活化能越來越低。 -
At the conditions with the same fuel injection quantity per cycle and the same engine speed, with the increase of the additive mass fraction in the fuel, the ignition and heat release timings brought forward, the peak of heat release rate increased and the operating range at low engine load was enlarged obviously. however, excessive additives will make the engine be prone to knock, run rudely and shorten the operating range at high engine load
在相同循環噴油量和相同轉速的條件下，隨著添加劑質量分數的增加， hcci著火和燃燒放熱提前，燃燒放熱峰值提高，低負荷工況范圍明顯拓寬，但過高的添加劑質量分數會使得發動機爆震，工作粗暴，導致高負荷工況變窄。 -
In this article, constituting some the equations which reflect the flow law and building and applying many mathematical models of physical and chemical reactions in the the plasma ignition : applying k - two equations turbulence model to calculate the turbulence parameter supplying simplied reaction systerm model and applying eddy break - up model and p - i thermal radiation model. with these reasonable simplied modles, numerically simulating the flow field in the plasma ignition. during the numerical simulation, applying the body - fitted coordinates for the complex geometry of the computional field ; using the mixing format to disperse the equations ; applying simplec algorithm method to solve the equations ; using above models and methods, it can get flow field distribution ; including temperature, pressure, turbulent kinetic energy and its dissipation rate, turbulent viscosity, velocity, density. these results are significant to design and improve the plasma ignition
本文旨在通過構造反映等離子點火器內部流動規律的基本方程組，建立描述等離子點火器內部的復雜物理化學過程機制數學模型：模擬等離子發生器內部燃燒的-雙方程湍流流動模型；模擬氣體燃料在燃燒時中化學反應的簡單化學反應系統模型；模擬等離子點火器內部湍流預混燃燒的漩渦破碎模型；模擬等離子點火器高溫燃氣及其壁面的p - i輻射換熱的模型等等，對模型進行一定的合理的簡化，然後數值模擬等離子點火器內部流場的流動。 -
The new concept of combustion in i. c. engines, hcci combustion mode, becomes the highlight of current researches for its outstanding advantages of low nox, pm emissions and high thermal efficiency. the control of auto - ignition time and heat release rate is the most difficult technical question in realizing hcci combustion
為了實現內燃機的高效、清潔燃燒，國內外學者都把內燃機的新概念燃燒作為研究重點，尤其是hcci燃燒模式以其低nox 、 pm排放，高熱效率的突出優點成為當前研究的熱點。 -
With the carbon content of dry ash - free basis increasing, the ignition activation energy increase and the reaction rate fall
乾燥無灰基固定碳含量增加，其著火活化能逐漸升高，反應速率逐漸降低。 -
Under this background, we successfully developed an engine fuelled with coal - bed gas and ignited by spark plug. the measurements for the prototype engine were thoroughly made, including the cylinder pressure, the rate of heat release, combustion duration, ignition delays, spark ignition angle, and the fluctuation of the cylinder maximum pressure
在此背景下，本文對經由s195柴油機改裝得到的燃用變組分煤層氣發動機進行了全面的測試和分析，包括缸內示功圖、燃燒放熱率、主燃期、點火提前角、火焰發展期以及最大壓力循環波動等。 -
The gap fuel - rich propellant showed short ignition delay time, high burning rate, and sensitive to variation of gas generator pressure. the results also showed that some tmo, such as moo3 and 0203 can increase the burning rate of the gap fuel - rich propellant
測試結果表明， gap貧氧推進劑具有點火延遲期短、燃速高、燃速對壓強敏感性強等優點，且某些tmo催化劑如moo _ 3 、 co _ 2o _ 3等可顯著提高gap貧氧推進劑的燃速。 -
( 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。
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