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十六烷值
相关语句
  cetane number
    The potentiality of the locomotive diesel engine using low cetane number diesel fuel
    柴油机燃用低十六烷值柴油能力的探讨
短句来源
    A Study on Burning Diesel Fuel with Low Cetane Number in D.I.Diesel Engine
    直喷式柴油机燃烧低十六烷值柴油的研究(英文)
短句来源
    This series additives are ashless, uniform, transparent and oil soluble liquids. When they are added to light diesel fuels by 0.03%(v/v), bsfc reduced by 2-5%, cetane number of fuel may be increased by 3~4 units, maximum combustion pressure decreased 3%, toxic exhaust emissions in 13-mode tests decreased 9-30% respectively.
    该系列添加剂系为无灰、均一、透明油溶性液体,以0.03%(v/v)加入轻柴油后,油耗率可下降2~5%,最高燃烧压力可下降3%,十三点工况有害排放物分别下降9~30%,十六烷值可提高3~4个单位.
短句来源
    Physical and chemical properties including density,viscosity,surface tension,the flash point,cetane number,and the stability of the different contents of ethanol-diesel parameters were measured and analyzed. The experiments were performed using 0.2%,0.5%,1%,2%,5% 10%,15%,20%,25%,and 75% ethanol-diesel blends. At the same time,the influence of temperature on the blends properties was tested.
    通过对不同比例(乙醇含量分别0.2%、0.5%、1%、2%、5%、10%、15%、20%、25%、75%)的混合燃料的密度、粘度、闪点、表面张力、十六烷值、稳定性和磨损性等理化性质的测试和研究,总结出了乙醇含量对混合燃料物性参数的影响规律,归纳出各种参数随温度变化的规律。
短句来源
    Different percentages of cetane number enhancer(0~0_0,0.2~0_0,0.4~0_0) were added to blends,and the engine tests were performed on a high speed diesel engine.
    在含 1500乙醇的柴油中加入不同量(0、0. 200和 0. 400)的十六烷值改进剂,并在一台高速柴油机上分别对这些燃料进行了试验研究.
短句来源
更多       
  cetane
    The potentiality of the locomotive diesel engine using low cetane number diesel fuel
    柴油机燃用低十六烷值柴油能力的探讨
短句来源
    A Study on Burning Diesel Fuel with Low Cetane Number in D.I.Diesel Engine
    直喷式柴油机燃烧低十六烷值柴油的研究(英文)
短句来源
    This series additives are ashless, uniform, transparent and oil soluble liquids. When they are added to light diesel fuels by 0.03%(v/v), bsfc reduced by 2-5%, cetane number of fuel may be increased by 3~4 units, maximum combustion pressure decreased 3%, toxic exhaust emissions in 13-mode tests decreased 9-30% respectively.
    该系列添加剂系为无灰、均一、透明油溶性液体,以0.03%(v/v)加入轻柴油后,油耗率可下降2~5%,最高燃烧压力可下降3%,十三点工况有害排放物分别下降9~30%,十六烷值可提高3~4个单位.
短句来源
    Physical and chemical properties including density,viscosity,surface tension,the flash point,cetane number,and the stability of the different contents of ethanol-diesel parameters were measured and analyzed. The experiments were performed using 0.2%,0.5%,1%,2%,5% 10%,15%,20%,25%,and 75% ethanol-diesel blends. At the same time,the influence of temperature on the blends properties was tested.
    通过对不同比例(乙醇含量分别0.2%、0.5%、1%、2%、5%、10%、15%、20%、25%、75%)的混合燃料的密度、粘度、闪点、表面张力、十六烷值、稳定性和磨损性等理化性质的测试和研究,总结出了乙醇含量对混合燃料物性参数的影响规律,归纳出各种参数随温度变化的规律。
短句来源
    Different percentages of cetane number enhancer(0~0_0,0.2~0_0,0.4~0_0) were added to blends,and the engine tests were performed on a high speed diesel engine.
    在含 1500乙醇的柴油中加入不同量(0、0. 200和 0. 400)的十六烷值改进剂,并在一台高速柴油机上分别对这些燃料进行了试验研究.
短句来源
更多       
  “十六烷值”译为未确定词的双语例句
    The simulation suggested that the mixing with high-cetane fuel and high-octane fuel can influence the combustion phase and cylinder pressure in HCCI combustion.
    结果发现,高辛烷值燃料异辛烷和高十六烷值燃料正庚烷的混合能够有效控制HCCI燃烧相位和燃烧程度。
短句来源
    It was found that the fuel properties may control the heat release in the low temperature range to influenced of HCCI combustion.
    但高辛烷值燃料或者高十六烷值燃料,其HCCI燃烧排放控制都有一定难点,主要体现在高辛烷值燃料不容易压燃,在低负荷时着火性差,排放恶化;
短句来源
    DME is the optimal substitute for diesel to burn in diesel engine, which can solve effectively the crisis of energy resource and the pollution of environment. DME is of high cetane-value, which is beneficial for burning by pressing , and great performance of emission.
    二甲醚十六烷值高,喷雾特性好,可从煤或天然气中制取,在柴油机上推广使用二甲醚,能有效地解决能源危机和环境污染。
短句来源
    This paper presents several measures of improving the combustion process in low heat rejection engines based on previous researches and the understanding of combustion process at high temperature.
    本文介绍了作者根据近年来通过大量实验研究所得出的对低散热发动机燃烧过程的认识,提出了改善低散热发动机燃烧过程的一系列措施:燃用低十六烷值燃料; 采用小孔径、多孔数喷嘴;
短句来源
    An experimental study of the effects of an organic nitrate centane number improver which was made by the authors on the emission of the 95 type swirl chamber diesel engine was performed by adding to the improver diesel fuel in different concentrations.
    将自行研制的有机硝酸酯类十六烷值改进剂以不同浓度加到柴油中 ,对影响 95型涡流室柴油机的排放特性进行了实验研究 ,结果表明 ,该十六烷值改进剂可明显降低柴油机 NOx 的排放 ;
短句来源
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  cetane number
Fischer-Tropsch (F-T) diesel fuel is characterized by a high cetane number, a near-zero sulphur content and a very low aromatic level.
      
Effect of paraffins C10-C13, C14-C17, C18-C23, tert-butyl hydroperoxide, cumyl hydroperoxide, and isopropyl nitrate as cetane number improvers for summer- and winter-grade diesel fuels, added in amount of 0.4-5 wt %, is studied.
      
On the basis of published data, parametric equations relating the basic physicochemical characteristics of off-standard diesel fuels, i.e., the cetane number, the density, and the sulfur content, were derived.
      
When cetane indexes calculated according to the simultaneous equation method were applied to the fatty acid mixtures, the agreement with those experimentally determined was approximately the error of determination of the cetane number.
      
Neither the lower cetane number of POD fuel nor its emulsification with water presented obstacles to the operation of the diesel engine during a series of steady-state engine tests and the twenty-hour endurance tests.
      
更多          
  cetane
Fischer-Tropsch (F-T) diesel fuel is characterized by a high cetane number, a near-zero sulphur content and a very low aromatic level.
      
Effect of paraffins C10-C13, C14-C17, C18-C23, tert-butyl hydroperoxide, cumyl hydroperoxide, and isopropyl nitrate as cetane number improvers for summer- and winter-grade diesel fuels, added in amount of 0.4-5 wt %, is studied.
      
On the basis of published data, parametric equations relating the basic physicochemical characteristics of off-standard diesel fuels, i.e., the cetane number, the density, and the sulfur content, were derived.
      
Effect of structure formation in a constant electric field on the thermal conductivity of a suspension of aerosil in cetane
      
A tailored interface shock tube and an over-tailored interface shock tube were used to measure the thermal energy radiated during diesel-spray combustion of light oil, α-methylnaphthalene and cetane by changing the injection pressure.
      
更多          


The cycle-to-cycle variations in the peak combustion pressure andignition delay have been observed in a four-stroke diesel engine burningdiesel fuel-water emulsion.Tests indicated that the cycle-to-cycle vari-ations were reduced with the engine burning the emulsion and there wasno obvious variation difference between unstabilized emulsion withoutsurfactants and that with surfactants.Unlike the low cetane number fuel,when diesel fuel-water emulsion is burned,the working cycle in cylindertend towards stability...

The cycle-to-cycle variations in the peak combustion pressure andignition delay have been observed in a four-stroke diesel engine burningdiesel fuel-water emulsion.Tests indicated that the cycle-to-cycle vari-ations were reduced with the engine burning the emulsion and there wasno obvious variation difference between unstabilized emulsion withoutsurfactants and that with surfactants.Unlike the low cetane number fuel,when diesel fuel-water emulsion is burned,the working cycle in cylindertend towards stability along with the increase in ignition delay.

通过一台四冲程高速柴油机燃用掺水乳状油的大量试验,分析了该机最高燃烧压力及滞燃期的循环波动率。试验表明,柴油掺水后发动机循环波动率不但未增加,反而有减小的趋势。未加表面活性剂的非稳定状油较加表面活性剂的乳化油的循环波动率没有明显的差异。与一般低十六烷值燃料不同,当用掺水燃料工作时,随着滞燃期的增加工作循环却趋于稳定。

The influence of fuel cetane number on the fuel consumption,heatefficiency,exhaust temperature and smoke of engines is studied in thispaper.A relative experimental curve of cetane number versus these per-formances is given.The inherent relationship between cetane number andits low heat value,and the corresponding regress formula are also presentedin the paper.

本文研究了柴油十六烷值对发动机燃油消耗率、热效率、排气温度和排气烟度等的影响,给出了相应的试验曲线,探讨了十六烷值与这些性能之间的内在关系。文中还给出了柴油十六烷值与低热值之间的线性关系及相应的回归公式。

As the proportion of catalytic cracking oil is raised, the density of blend of oil is increased and an experimental relation is given. Meanwhile, the centane number and calorific power are reduced. Viscosity, however,has a little change. The vaporization characteristic of blend oil is satisfactory for diesel engine. The ignition delay, maximum cylinder pressure and emission of NO and HC are rais- ed. In addition, the fuel consumption is increased because the calorific power of blend oil is less than that of...

As the proportion of catalytic cracking oil is raised, the density of blend of oil is increased and an experimental relation is given. Meanwhile, the centane number and calorific power are reduced. Viscosity, however,has a little change. The vaporization characteristic of blend oil is satisfactory for diesel engine. The ignition delay, maximum cylinder pressure and emission of NO and HC are rais- ed. In addition, the fuel consumption is increased because the calorific power of blend oil is less than that of conventional oil. The above feature may be adapted to diesel engine when the proportion of catalytic cracking oil is less than 40 pe- rsent.

对两类直馏与催化裂化柴油所配制的八种不同比例的混合油进行测定和分析表 明,随含催化裂化油比例增加.密度增大;十六烷值和热值都降低;粘度变化不大; 蒸发性能基本满足柴油机要求;点火延迟期增长;爆压和压升率增大;油耗因热值减 小而增高;NO和CH的排放增加.比例大于40%后,需采取适当的技术措施才 可使燃烧性能满足要求。

 
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