查询词典 combustion engine

To solve the problems that cyclic variation is high in low power output and NOx emission is high in high power output in compression ignition engine with compressed natural gas direct injection,a swirl chamber combustion system with glow plug ignition was developed.

针对缸内直喷压燃式天然气发动机低负荷循环波动大及高负荷NOx排放偏高的问题，设计开发了涡流室式热面点火燃烧系统，研究了涡流室通道尺寸对缸内天然气空气混合气形成、着火燃烧及发动机运转特性的影响。

In order to satisfy combined simulation and optimization for the engine, the multi-objective and multi parameter nonlinear restriction programming was performed using the Matlab code that transfered the import parameters such as the structural, injection, valve timing, combustion timing and other parameters to the simulation model.

用Matlab编制了多目标、多参数非线性约束优化算法程序，通过调用仿真计算模型，改变输入参数如压缩比、空燃比、点火提前角和气门正时等的输入数值，实现了联合仿真优化。

NPG engine ; Excessive air coefficient ; Lean combustion ; Emission

天然气发动机；过量空气系数；稀薄燃烧；排放

In this paper,the effects of Exhaust Gas Recirculation and octane number on combustion characteristics of HCCI engine were investigated.

在一台单缸直喷式柴油机上研究了废气再循环对不同辛烷值燃料均质压燃燃烧特性及排放特性的影响。

In this paper,it was studied by engine test that how the octane number influences the combustion characteristics,fuel consumption and exhaust emissions.

通过发动机台架试验，对3种不同辛烷值汽油的燃烧特性、燃油经济性和排放性能进行了研究。

It gets its extra oomph from a supercharger forcing more air into the combustion chambers of its engine.

它的出色表现来自一个增压器，它推送更多的空气进入内燃机的燃烧室。

The basic function is to make the engine be under optimal combustion control in real-time operating condition and ambient working conditions.

ECU基本功能是在实时工况和外界工作条件下始终控制发动机处在最佳燃烧状态。

Combustion instability in liquid rocket engine is investigated with theoretical analyses, numerical simulations and experiments. Nonlinear science, such as Nonlinear Dynamics, Non- equilibrium Thermodynamics, and Wavelets, is introduced in the studies.Nonlinear oscillation equation of chamber pressure is established.

本文结合非平衡热力学、小波分析、非线性动力学等非线性学科，建立燃烧稳定性理论模型，发展两相喷雾燃烧非定常数值模拟程序，利用激光测粒系统，发动机高频热试系统等测试手段，重点围绕液体推进剂的化学动力学过程，对燃烧不稳定进行了较为系统的理论、仿真和实验研究。

Displacing 1854cc (113 cubic inches), the 48 degree V-twin air-cooled OHV 4-stroke engine benefits from a highly advanced specification that includes 4-valve twin-spark plug cylinder heads, forged pistons, pent roof combustion chambers, EXUP, oil cooling, fuel injection, 100mm diameter plated cylinders and a hydraulic clutch.

驱1854cc， 48度V型双风冷式ohv四冲程发动机的好处从一个高度发达的规格，其中包括4气门，双火花塞缸盖，伪造活塞，压抑的屋顶燃烧室， exup ，油冷却，燃油喷射， 100毫米直径的镀缸和液压离合器。

The ignition and combustion in a homogeneous nature gas-air charge engine with diesel pilot was analyzed.

对柴油引燃天然气发动机的着火过程、燃烧过程进行研究，提出了相应的数学模型，并进行了试验验证。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。