进气
- inlet;admission;air admission;onflow
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[admission] 流体(如蒸汽)进入发动机气缸的动作
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采用切向进气扩大压气机流量范围的研究
Study on Tangent Air Admission to a Compressor for Enlarging Its Flow Range
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利用切向进气降低压气机喘振流量的研究
Study on Decreasing the Surging Flow of a Compressor by Tangential Air Admission
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进气阀卡住了,关不上。
The intake valve was jammed open
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备注:进气管为钢管设计,耐用、散热快
Note Inner Tube material is copper , radiates quickly and durably .
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进气压力的增大可以提高η,同时提高了K;
η and K increase at the same time when inlet gas pressure increases ;
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水洗液的COD与进气时间有较好的线性关系;
The COD value of water kept linear relation with the exhaust residence time .
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流体机械复杂形状进气箱内部流场的PAD测量
The flow field measurement of the inlet box with complex geometry of fluid machinery using a PDA
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采用分块粘接的网格生成技术,利用求解Poisson方程生成螺旋气道和切向气道相组合的进气系统以及缸内的三维贴体网格。
A multi-block structured body-fitted grid for complex combination intake system with solving Poisson equations is built .
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进气温度与湿度对微型PSA制氧机产品气浓度影响的实验研究
Experimental Study on the Influences of Feed temperature and Humidity for a Small-scale PSA Oxygen Unit
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并用流体分析软件FLUENT软件对进气情况进行建模分析,对天然气的进气方案和进气结构做了详细分析。
And using FLUENT software to model and analysis the gas inlet scheme and intake structure in detail .
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EGR采用单侧进气方式后应将点火适当提前。
By using the side-jet mode , EGR needs appropriate ignition timing .
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同一进气动压,标定转速下所生成的CO,HC要多于最大转矩转速情况;
Increasing appropriately the inlet air pressure under the same rotation speed could decrease the emission quantities of CO , HC .
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进气氧浓度对PX氧化反应器的影响
Effect of Oxygen Volume Fraction in Feed Stream on p-Xylene Oxidation Reactor
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液化天然气(LNG)冷能用于冷却发电燃气轮机进气的分析
The Analysis of Gas Turbine Generating Unit Inlet Air Cooling Based on The Liquefied Nature Gas ( LNG ) Chill
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分析了进气温度、燃空当量比、压缩比、CO2对燃烧和排放的影响。
The influences of the intake charge tem perature 、 fuel air equivalence ratio 、 compression ratio 、 CO2 to combustion and pollution are studied .
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介绍了消失模法生产进气歧管的工艺过程、过程控制参数及主要设备。生产表明,采用EPC法生产进气歧管,既提高了生产率又改善了铸件品质。
The process , the parameters of procss control and the main equipment for production of the manifold by EPC process are introduced .
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最后通过FIRE对进气过程进行瞬态模拟计算并揭示了缸内涡流、滚流等气流在缸内的形状、大小和数目随曲轴转角的变化关系。
Finally , simulate the transient intake process on FIRE and reveals the shape , size and number of vortex flow , swirl flow , and other air flow in the cylinder relations with the crank angle .
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对不同的进气温度、燃料辛烷值和燃空当量比对均质压燃(HCCI)发动机的排放特性进行了研究。
The HCCI engine emissions characteristic is studied by different temperature and different fuel octane number .
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FNA涂层在修复NY型内燃机车进气阀上的应用
Application of FNA coating technique to the maintenance of inlet and exhaust valves for ny-type internal combustion engine
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基于这一研究结果,在计算和实验的基础上利用Helmholtz共振腔对空滤器的声学特性进行了改进,改进后的空滤器对降低车辆进气侧通过噪声有很好的作用。
The optimization of the air-in filter acoustic performance by Helmholtz resonator based on calculation and experiment has effect on the decrease of pass-by noise .
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HALLO进气系统对柴油机燃烧的影响分析
Influence of HALLO swirl system on combustion process
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基于数据集成的GTCC进气冷却经济评价系统程序实现
Realization of the economical evaluation system for GTCC inlet air cooling based on numerical integration
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本文主要研究采用低旋流进气、浅W型燃烧系统的SD2100直喷柴油机的循环变动。
The characteristics of operating cyclic variations for low swirl shallow W type combustion system on SD2100 diesel engine are tested and measured .
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此外,还得知进气马赫数Z不是转速的单值函数;在定转速而负荷不同时,它不是常数。
In addition , it is found that the Mach number Z in the intake pipe is no longer a monotropic function of engine speed , and is also not a constant at engine constant speed and variable load .
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结果表明,在一定范围内,NOx去除率随进气放电反应管通电数目、排气梯度钢筒通电数目和钢筒内钼丝缠绕数目的变化而变化。
The experiment results showed that , under the appropriate range , with the number of discharge reactor and the number of grads steel canister and the number of molybdenum increasing , the removal efficiency of NOx improved .
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其中,采用天然气CO2转化化学回热回收较高温度的燃气透平排气热量,采用氨吸收制冷循环回收较低温度的排气热量,并利用制冷循环产生冷量作CO2循环压气机进气冷却。
In which , the waste heat from the turbine exhaust is recovered to drive CO_2 / NG reformer , and the lower temperature heat is provided with the ammonia absorption refrigeration cycle to generate chilled media used for cooling the turbine inlet gas .
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试验结果显示:(1)通过重新设计制造的空气-空气中冷器替代原水套中冷器,额定点进气温度从106℃降低到55℃,额定点NOX的浓度大幅下降。
The result of experiment shows that : ( 1 ) The intake manifold temperature drops from 160 ℃ to 55 ℃ by change water jacket aftercooler into a new designed air to air aftercooler and have a great NOx reduction .
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试验在一个专用于HCCI研究的单缸发动机上实施,采用两种中等的压缩比(10.4和15)和两种HCCI模式(进气加热和负气门叠开),试验结果证实了这种期望。
Experiments conducted with moderate compression ratios ( 10.4 and15 ) and using two modes of HCCI control , i.e.intake heating and NVO ( Negative Valve Overlap ) received the expected results .
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压强的测量采用半导体硅压阻式压强传感器,通过测量MPT进气管路的静压,结合理论分析计算得到MPT谐振腔的总压。
The measurement of pressure was carried out by using semiconductor silicon piezometer . With the static pressure in inlet of pipeline and theoretic analysis we could get the total pressure of MPT .
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采用跨音速小扰动(TSD)方程计算了有迎角的旋转体无分离流动,以及均匀进气假设下机头进气道的外流场。
The transonic flow around the revolution bodies at non-zero angles of attack and the external flow about the nose inlet are calculated by using the transonic small disturbance equation .