turbocharger相关论文
In this work we present a failure investigation on turbine housing used in automotive diesel turbocharged engine which h......
In this paper, the authors use three kinds of solutions to reduce the aerodynamic noise which appears in the process of ......
A hysteresis model under different loading rate is proposed based on measurement results with simple polynomial method.T......
The dynamics of boost control system in smart waste gate(WG)turbocharger is considered.The objective is to design and op......
When Geely power(GP),a gasoline turbocharged direct injection(GTDI)engine is used as range extender(RE),the power requir......
To achieve lower fuel consumption and pollutant emission,the technology of turbocharging and gasoline direct injection(T......
Metal injection molding (MIM) for HK30 heat resistant stainless steel has been investigated,including the process steps ......
STABILITY AND NONLINEAR TIME TRANSIENT RESPONSE OF LARGE DIESEL ENGINE TURBOCHARGERS IN FLOATING BUS
This paper deals with the stability and nonlinear time transient response of a class of turbochargers used in large dies......
Elimination of misrun and gas hole defects of investment casting TiAl alloy turbocharger based on nu
Casting technology of thin-wall TiAl alloy turbochargers was studied by investment casting and numerical simulation. Mis......
对某机车内燃机涡轮增压器导向叶轮的故障进行了分析,提出了采用激光熔覆法修复受损叶轮。通过对激光熔覆样品的拉伸与疲劳性能测试......
Time-dependent Vibration Frequency Reliability Analysis of Blade Vibration of Compressor Wheel of Tu
Blade vibration failure is one of the main failure modes of compressor wheel of turbocharger for vehicle application.The......
Effects of Floating Ring Bearing Manufacturing Tolerance Clearances on the Dynamic Characteristics f
The inner and outer oil film dynamic characteristic coefficients of floating ring bearings(FRBs) change due to the manuf......
Method for Evaluating the Reliability of Compressor Impeller of Turbocharger for Vehicle Application
As turbocharging diesel engines for vehicle application are applied in plateau area, the environmental adaptability of e......
本文通过对荣华二采区10...
Experimental investigations on the power extraction of a turbine driven by a pulse detonation combus
In order to grasp the interaction mechanism between the pulse detonation combustor(PDC)and the turbine,the experimental ......
采用UG软件对低压铸造增压器壳体铸造模具进行三维造型,同时对模型进行简化。用Hypermesh软件对模型进行网格划分以获得高质量的网......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
High-pressure ratio and wide operating range are highly required for a turbocharger in diesel engines.A recirculation fl......
Measurement and Numerical Simulation of a Small Centrifugal Compressor Characteristics at Small or N
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
In order to improve performance of the DA465Q gasoline engine,a substantial amount of research was done to optimize its ......
The critical speed and unbalance response of a small vehicle gasoline turbocharger in semi-floating bearing are analyzed......
A test bench for conducting compressor surge experiments is set up, and different system configurations formed by changi......
为改善涡轮增压器机械效率及发动机加速性能,分析原轴承系统和轻便轴承系统的旋转部件质量及转动惯量,试验研究原轴承系统和轻便轴......
为研究涡轮增压器止推轴承评估及选用方法,利用数值模拟建立某型号涡轮增压器的有限元模型,使用NUMECA软件对涡轮增压器轴向力进行......
针对增压发动机急加速急减速时产生的增压器同步谐波噪声问题,该文通过噪声仿真技术进行分析与优化。首先,分析该噪声的特征与传播......
本文针对某增压车型存在的进气Hiss声及泄气声进行研究,通过整车摸底试验获得噪声频谱特性,针对噪声强度大的频段,在增压器前后管......
废气涡轮增压器是在高转速、高温条件下回转的机械,其装配间隙要求很高。压气机组成,是柴油机增压系统中的主要设备,直接影响柴油机......
根据降低大功率涡轮增压柴油机燃油消耗率的需要,讨论了改善柴油机性能的主要措施,通过对缸盖气道的改进设计,使进、排气道的通流能力......
根据涡轮箱设计的一维计算模型,提出了一种新的0-0截面A/R值计算方法。对5种车用增压器涡轮进行了性能试验,试验结果与理论计算结果的......
增压器压气机叶轮工作过程中气动压力载荷、热载荷和离心载荷会对叶轮的应力产生影响,针对该问题,利用流热耦合方法建立了压气机叶轮......
分别设计了全周进气双流道涡轮和非全周进气双流道涡轮,通过数值模拟,对两种结构进行了全工况性能分析.结果表明,非全周进气双流道......
采用Numeca数值分析软件建立了某增压器涡轮机及压气机端流场网格模型,并计算出发动机不同转速下涡轮增压器的涡轮端及压气机端的......
介绍了陶瓷材料以及碳纤维强化树脂在涡轮增压器上的应用;并且叙述了陶瓷材料的成形技术;烧结技术以及与金属的结合技术,分析了新开发......
对SJ135增压器的涡轮蜗壳及喷嘴用Pro/E进行了流场计算区域的建模,用FIRE软件对蜗壳及喷嘴划分网格,根据计算流体力学(CFD)基本方......
研究了改善涡轮增压柴油机匹配性能的两种方法,即废气放气阀方案和可变几何涡轮增压器方案.这两种方案是目前改善柴油机的低速匹配......
通过在CA4D32—12型车用柴油机上对上海联信公司生产的4种增压器方案和2种中冷器方案对发动机性能和排放的对比试验,分析了增压器及......
非对称涡轮增压器可在保证柴油机废弃再循环(EGR)率的同时降低泵气损失,由于涡轮机的两个流道流量不对称,需要在一维配机计算中使用......
根据大量试验研究及技术积累,分析了压气机叶轮进出口速度三角形、压气机结构参数、几何参数等对涡轮增压器压气机空气动力学性能......
为了保证增压器的正常工作和延长其使用寿命,使用中应注意:起动后不可立即高速行驶,不可让车辆突然熄火,使用清洁合格的机油,保证供给足......
为考察可调涡轮增压器对柴油机低速扭矩特性的影响,将所研制的VGT-70A型转叶式可调涡轮增压器与J6110Z型柴油机匹配进行了性能试验。介绍了试验设......
介绍了车用涡轮增压器涡轮叶片的一种新的设计方法。新设计的这种涡轮叶片截面形状为曲线形,叶片端部厚度减小,根部顾度增加,从而提高......
通过对空气系统工作过程进行分析,建立了带有涡轮增压器和高压排气再循环回路的柴油机空气系统的数学模型,并依据模型研究影响空气系......
以车用压气机为研究对象,基于CFD稳态的RANS方程湍流模拟计算压气机的流场特性和宽频噪声,结果表明叶轮区域是压气机的主要噪声源.基......
涡轮增压器起动和停机过程转子所受的轴向力大小对于增压器的设计是至关重要的。以JP60C型涡轮增压器为研究对象,利用有限元方法计......
设计了自动变进排气供油正时(AVIEIT)系统的原理性验证试验方案,按此方案进行了相应的试验,试验结果证实了AVIEIT系统的思想,对原来采用......
针对气体发动机负荷突变时瞬态响应性差的问题,以某大功率涡轮增压天然气发动机为例,采用理论分析、仿真计算与试验验证相结合的方......
涡轮增压器在工作时,高温废气会把大量的热量传递给涡轮叶轮,并通过转轴传递给压气机叶轮。由于压气机叶轮处于常温环境中,受到高......
提出了利用人工网络进行可靠度时序预测的方法,分别利用径向基函数(RBF)网络及自适应模糊神经(ANFIS)网络对发动机涡轮增压器进行了可靠度的时序......
某机车内燃机涡轮增压器运行时发生故障,其涡轮盘(材质为GH2036合金)明显磨损,提出采用激光熔覆技术进行修复。为验证激光修复的可行性......