The effect of difference scheme on the simulation results of intake flow in a diesel engine was studied.
研究差分格式对柴油机进气流动模拟计算结果的影响。
Study on Numerical Simulation of the Variable Intake Manifolds on Intake Flow Characteristics and Performance for Gasoline Engine;
为了研究滑动式可变进气结构对缸内斜轴涡流特性的影响。
The intake flow tumble characteristics of 4g15 GDI engine are analyzed by using both flow rig and CFD transient numerical simulation.
通过稳流气道试验和CFD瞬态数值模拟研究了4g15型直喷汽油机的进气滚流特性。
The performance and emission characteristic of internal-combustion engine is decided by the reciprocity of the intake flow, in-cylinder mix and combustion process.
内燃机的性能与排放特性主要由进气流动、缸内混合和燃烧过程间复杂的相互作用所决定。
By using numerical simulation method, this paper mainly researches the influence of variable intake manifolds on intake flow characteristics and performance for gasoline engine.
本文主要通过数值仿真方法研究了进气管可变技术对汽油机流动特性及其性能的影响。
In order to build the DPF pressure drop model based on air intake flow, DPF bed temperature, soot and fuel charge, the paper has carried out a series of tests, collected a mass of data.
为了建立基于进气流量、DPF床温、碳烟以及喷油量的DPF压降模型,论文进行了一系列的试验,采集了大量数据。
The intake with inclined culvert horizontal-tube is only suitable for reservoirs with relatively small intake depth and flow, but the shaft type is applicable to deep reservoir with big intake flow.
斜涵卧管式只能适用于取水深度、流量较小的水库,竖井式可用于取水流量较大的深水水库。
However, these advantages may be outweighed by the flow restriction the element creates in the intake line and the negative effect this has on pump life.
但是问题是滤芯会对吸入管线中流量造成限制,泵的寿命也会收到影响。
The process flow, design parameters and characteristics of intake works of water-source heat pump for air-conditioning system in Wenchang Mansion in Liuzhou City were introduced.
介绍了柳州市文昌综合楼空调系统水源热泵取水工程的工艺流程、设计参数及特点。
The design of port is depended on steady flow test to obtain swirl ratio and flow coefficient and use them to evaluate the performance of intake port.
长期以来进气道的设计主要是依靠气道稳流试验测量其涡流比和流量系数来评定气道的性能。
The combustion chamber has a center plug pent-roof combustion chamber with cross-flow intake and exhaust layout.
燃烧室有一个横流进排气布局中心插件被压抑的屋顶燃烧室。
Boundary element method to calculate the free surface flow over the plate region of the hanged-plate two storied intake work is presented in this paper.
本研究利用边界元法求解了悬板分层式引水渠首的悬板区过流问题。
A method of design for the turbine alternator with side intake ducts based on numerical calculation of three-dimensional flow-filed was built.
提出并研究了基于三维流场数值计算的引信用侧进气涡轮发电机的设计方法。
The flow character in the intake process would affect the spreading velocity of the flame, the stability of the combustion and its combustion efficiency.
进气冲程缸内形成的流场状态直接影响发动机燃烧过程中火焰的传播速度、燃烧的稳定性以及燃烧是否彻底,进而也影响着发动机的功率。
Reduce food intake, will cause scalp blood flow, affect hair down to normal growth, will cause serious hair loses luster and even fall off.
减少食物摄入量,会导致头皮血流量下降,进而影响头发正常生长,严重时会导致头发失去光泽甚至脱落。
In this paper the open sump flow with vertical intake is simulated with calculation fluid dynamics method according to model-test reports of Lianhu pump station.
本文着眼于使用计算流体力学方法对带有竖直吸水管、正向进水的开敞式前池与进水池的流态进行数值模拟。
Dynamic simulation is carried out to study the transient intake and in-cylinder flow generated during intakecompression processes using CFD code Fire.
应用动网格技术,对某柴油机在进气和压缩过程中气道-气门-气缸内的瞬态流场进行了数值模拟。
The swirl ratio and flow coefficient can be obtained through the traditional steady flow test in diesel helical intake port.
对某柴油机螺旋进气道进行传统的气道稳流试验,得到了涡流比和流量系数。
The intake port performance (swirl number, flow coefficient) has an important effect on power, economy and emissions of diesel engine.
进气道性能(涡流强度、流量系数)对柴油机的动力性、经济性和排放有重要影响。
The effects of swirl number of primary swirler and radial swirler, area ratio and sleeve divergence angle on the cold flow field of double swirl air intake were investigated.
试验研究了主、径向涡流器旋流数、面积比、套筒扩张角等参数对双旋流进气装置冷态流场的影响。
Hence, the method of vortex control is available for removing swirl, decreasing total pressure loss, and improving flow field in S-shaped intake.
因此,抽气形式的有源涡控是抑制旋流、减少出口总压平均损失、改善S弯进气道出口流场的有效措施。
The effect of stabilizing pressure of a stable pressure box with damping line of the air flow is studied in order to measure the pulsate flow ability of air at the intake and exhaust pipes of engine.
为了测量发动机进、排气管内气流的脉动流动特性,对自行设计的对气流起稳压作用的阻尼稳压箱进行了研究。
By analyzing the kinetics of intake air flow from the tumble inlet ports, a composed inlet port configuration with a traditional tumble port and a sub-port was investigated.
通过分析滚流进气道进气充量的动力学,提出了由传统滚流进气道和副气道组合的进气道结构。
The results of the measurement of Reynolds stresses and spectral analysis for a turbulent flow in a submerged air intake are presented in this paper.
本文给出了埋入式进气道内湍流流场的雷诺应力测量和频谱分析结果。
Morphological changes of submandibular gland, water intake and static total saliva flow rate of each group were observed.
比较各组动物颌下腺形态学改变,每周饮水量、静态唾液总流率的变化。
The space time conservation element and solution element method was applied to simulate the unsteady gas flow in intake and exhaust manifold of ICE.
本文运用时空守恒元与解元方法对进排气系统中的气体流动进行了模拟计算。
The petrol engine has, due to its throttled air intake, a large range of variation in exhaust mass flow compared to the Diesel engine.
由于进气口的限流,相比柴油发动机,汽油发动机的排气流量有大范围的变化。
Influence of an intake substance upon blood component concentrations and blood flow can be monitored by monitoring the time curves of parameters of the signal waveform.
通过监视信号波形的参数的时间变动,能够监视服用物质给血中成分浓度或血流量带来的影响。
Set up system to provide a "cross flow" of intake and exhaust ventilation wherever possible.
在任何可能的地方建立通风系统用以保证进风和排风的的交叉流动。
Set up system to provide a "cross flow" of intake and exhaust ventilation wherever possible.
在任何可能的地方建立通风系统用以保证进风和排风的的交叉流动。
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