柴油机

Yet the V8 diesel is more powerful: with an output of 250 kW (340 bhp) and a torque of 760 Nm, it develops enormous propulsive power.

然而，V8柴油机，是一个更强大的250千瓦（340马力）和760牛米的扭矩输出：，其发展的巨大推进力量。

The method of estimating the efficiency of the purging and filter was proposed.

对设计制造柴油机排气微粒过滤净化装置具较好的指导意义。

The research method is used, which combines the turbocharged engine dynamic performance simulation with the steady test. A quasi linear dynamic simulation model for turbocharged diesel engine is established. Neural network based emission model is established using the steady test data. A prediction simulation model of turbocharged engine dynamic emission is proposed based on MATLAB/SIMULINK.

采用了增压发动机动态性能模拟与稳态试验相结合的方法，建立了涡轮增压柴油机的准线性动态模型，利用稳态试验数据建立神经网络排放模型，提出了一种将2种模型结合起来在MATLAB/SIMULINK环境下的增压发动机动态排放预测仿真模型。

An experimental study on engine surface vibration and radiated noise is carried out in this paper.

本文以一台车用六缸柴油机为例，研究了发动机的表面振动和发动机的表面辐射噪声。

That is a random signal and vibration analysis system,the parameters and modal shape s are acquired.

3的模态测试分析功能对该柴油机机体进行了模态测试，得到了机体结构的前5阶固有频率及相应振型，可看出机体各部分振动的特征，据此为发动机结构改进设计提供了试验依据。

The results verify that the three kinds of strategy are effective to periodic signal, diesel engine vibration signal and random signal.

研究结果表明，这三种控制策略对周期信号、柴油机振动信号和随机信号均有较好的控制效果。

Currently, exhaust gas recirculation is one of the most effective measures to reduce NO〓 emissions from diesel engines.

目前，降低柴油机NO〓排放的最有效措施之一就是废气再循环技术。

Based on this, the optimized experiments for matching between the fuel injection system and combustion chambers with different reentrant diameter have been done.

同时试验研究了涡流强度保持性与喷射系统参数、进气涡流匹配时对柴油机性能的影响。

Through linearity regression to the concentration curve of Fe,it gets rid of the influence of the concentration changing,and it ensures the current research of wear and failure.

通过对换油后Fe浓度曲线进行线性回归，在系统中排除了换油后的浓度变化的影响，从而为柴油机的磨损趋势和故障趋势的研究提供了保证。

Some sub-models of the original KIVA code were modified, by introducing into the Kelvin-Helmholtz and Rayleigh-Taylor model for spray breakup, the multiple laminar and turbulent characteristic timescale combustion model, the heat transfer model of Han and Reitz, the Hiroyasu and Nagle soot model and the improved Shell auto-ignition model were added to the original KIVA, to improve the predictions of engine spray, ignition, combustion, gas/wall heat transfer and emissions.

为提高模拟精度对标准的KIVA程序进行了改进，引入KH-RT雾化模型、层流和湍流多重特征时间尺度燃烧模型、Han和Reitz传热模型以及Hiroyasu和Nagle碳烟排放模型来模拟柴油机多次脉冲喷雾、燃烧、壁面传热及排放过程，同时增添改进的Shell自燃模型来模拟着火过程。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。