爆燃比 的英文怎麼說
中文拼音 [bàoránbǐ]
爆燃比
英文
explosion ratio-
Knock test reference fuels - reference fuel - n - heptane
爆震試驗參比燃料參比燃料正庚烷Knock test reference fuels - reference fuel - iso - octane
爆震試驗參比燃料參比燃料異辛烷Knock test referencd fuels - referencd fuel grade toluene
爆震試驗參比燃料參比燃料甲苯Specially suited for transporting chymic medium of combustible explosive poisonous volatile big specific gravity
特別適合於輸送易燃易爆有毒有揮發性大比重的化學介質。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 shock tube, the detonation parameters, such as critical initiation energy, detonation velocity, detonation pressure, detonation limitation and etc., have been measured and the relation is too obtained between detonation parameters and equivalence ratio. chemical kinetics process of hydrocarbon fuel has been analyzed according to the chain reaction mechanism
在立式激波管中測試了工業燃料c _ 5h _ ( 8 . 68 )的臨界起爆能、爆速、爆壓、爆轟極限,得到了爆轟參數與當量比之間的關系;從爆轟反應是一個鏈反應機理出發,分析碳氫燃料的反應動力學過程。A new calculation method for optimizing diesel engine performance, called nonlinear regression - mess method, is put forward. in this paper, 25 groups of simulated values are calculated from the diesel engine working model, specific fuel consumption, peak pressure, rate of pressure rise, nox and peak temperature are fitted into explicit function about compression ratio and fuel injection advance angle
本文利用柴油機工作過程模型,得出25組模擬計算數據,利用非線性回歸將油耗、最大爆發壓力、壓力升高率、 no _ x濃度及最高燃燒溫度擬合成壓縮比和噴油提前角的顯函數,並用網格法進行優化,用c語言編制了優化計算程序,得出最佳的壓縮比和噴油提前角,使其優化匹配。Something, such as an explosive charge or a rocket fuel, that propels or provides thrust
發射藥,火箭燃料推進或提供爆炸的物體,比如爆炸炸藥或火箭燃料Abstract : during the heating of scrap with carbon or hydrocarbon contented substances in some process, it will bring problems like explosion of carbon monoxide, fume and smell from oil volatilization, etc. , if incomplete combustion occurs. through laboratory experiments, the time related variation of gas contents and post combustion ratio of fume during the heating of oil - bearing scrap are studied. the results show that the restrictive chain of reaction procedure is the thermolysis of oil ; that temperature and ( co ) / ( co2 ) ratio influence transformation ratio and post - combustion ratio under lower temperature ; that 900 is the temperature above which the complete reaction can be ensured at all ( co ) / ( co2 ) ratios
文摘:在某些廢鋼熔煉過程中,當爐料中含碳及碳氫物質且燃燒不充分時,會帶來煙氣中一氧化碳的燃爆、油污揮發時造成的煙霧、臭味等問題.通過實驗室裝置研究含油廢鋼在加熱過程中煙氣成分隨時間的改變以及二次燃燒率的變化,試驗結果表明,反應過程的限制性環節是油分的熱分解;在較低的溫度下( co ) / ( co2 )比例影響轉化率和二次燃燒率;而在任意比例下保證充分反應的溫度為900以上It becomes more and more important for the safe transportation of ship with the developing of the global maritime transportation. it is indicated on the base of the investigation of solas that the proportion of shipwreck accidents rooting in the ship ' s fire exploding is rising year after year from 1980s, and now it is up to 30 percent by 1 percent every year, and the annual loss of the ship tonnage is over 600, 000 tons that is two times than that in 1960s
隨著全球海上運輸業的不斷發展,船舶安全營運變得愈來愈重要,根據國際海難救助協會的一項調查表明,自20世紀80年代以來,因船舶火災爆炸造成海難事故的比重逐年上升,年均增幅1個百分點,現已達到30 ,造成船舶噸位年損失較60年代翻了一番,超過60萬噸,特別是船舶機艙,易燃易爆物質比較集中,最容易發生火災,事實也是如此。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。Based on the variables of inlet length, compression ratio, inlet opening phase and the exhaust closing phase, multi - objective optimization was conducted for power, torque, combustion noise and fuel consumption indicators with constraint conditions of fuel consumption rate and the maximum breakout pressure
以進氣道長度、壓縮比、進氣開啟相位、排氣關閉相位為可變因素;以比油耗、最高爆發壓力為約束條件,針對滿足功率、扭矩、燃燒噪聲和油耗指標進行多目標優化設計。The results show that, when detonation sweeps a contact surface of inert gas, interactions of detonation, transmit shock and contact surface take place ; in condition of high n2 dilution proportion, detonation is decoupled by rarefaction waves
在高n2比例稀釋的可燃混合氣體情況下,當爆轟波平掠過特定惰性氣體界面時,它與惰性氣體界面相互作用產生的稀疏波可以導致爆轟波的解耦。The coating processes and quality checking methods for low temperature coefficient coated high - energy nitroamine propellant have been studied based on the experiment data treatment and comparison of ltsc propellant combustion properties in closed vessel with that in gun, we found that there are some combustion functions in closed vess el are similar to that in gun
通過對低溫感硝胺火藥在密閉爆發器和火炮膛內實驗數據的處理與比較,找出了其在爆發器和火炮膛內燃燒特徵相似的一些函數關系式,為利用密閉爆發器試驗模擬火炮彈道性能提供了基礎。At present the usual methods of liquid level measurement is mostly based on the measurement and transmission of electrical signals, so it brings inflammable and explosive problems. according to measurement requirement under the special circumstance, the author of this paper presents the oil tank monitoring system based on the optical fiber technology
目前常用的液位測量方法大多以電信號進行測量和傳輸,因而帶來了防燃防爆等問題。本文針對特殊工況下的測量現場要求,提出基於光纖傳感技術的油罐監測系統,它與傳統的測量系統相比,測量現場完全無電,可應用於易燃易爆場合。Matter will be transferred from the red giant to the white dwarf when the gravity of the red giant at its surface is weaker than that of the white dwarf. when sufficient matter is accreted onto the surface of the white dwarf, nuclear reactions will start and sustain for a short period on the white dwarf surface. enormous energy is produced
當紅巨星的表面引力比白矮星弱時,部分物質會盤旋流進白矮星內,當足夠的物質積聚在白矮星表面,便會燃點起熱核反應,產生出巨大的能量,這種爆發會維持下去,直至所有氫氣耗盡。Abstract : the properties of coated propellants made by n ew and old technology were studied by the ways of determining the thickness of c oating layer, experiments of termination combustion and closed bomb combustion
文摘:通過火藥包覆層厚度的測定,中止燃燒及密閉爆發器試驗,比較研究了新舊兩種工藝製造的低溫感包覆火藥的性能。分享友人