1) triple mode catalytic converter
三作用催化转化器
2) triphase phase transfer catalysis
三相相转移催化作用
3) three-way catalytic converter
三效催化转化器
1.
Prediction and numerical simulation of the aging process of three-way catalytic converter;
三效催化转化器老化过程预测及数值仿真
2.
Numerical simulation of the emission characteristic of automotive three-way catalytic converter;
车用三效催化转化器排放特性的数值模拟
3.
Numerical Simulation and Application Study on Three-Way Catalytic Converter with Multi-shapes and Geometry Parameter;
多形状多结构参数三效催化转化器数值模拟及应用研究
4) three-way catalytic converter(TWC)
三元催化转化器
1.
The injectors' flow-rate of all test vehicles that each was fixed with a three-way catalytic converter(TWC) and Electronic Fuel Injection System(EFI) was tested including before and after vehicles operated on unleaded and ethanol gasoline respectively running for a long time on real road.
结果表明 :与无铅汽油相比 ,乙醇汽油能有效降低发动机排放的CO和HC(均约 1 0 % )及经过三元催化转化器作用后HC、CO和NOx 的排放 ,燃用无铅汽油时整车在装有三元催化转化器下的排放达到或接近欧洲 1号排放标准 ,换用乙醇汽油后 ,CO降低较明显 ,达 30 %左右 ,HC和NOx 分别降低约 1 8%、1 0 % ,此时排放在欧洲 1号排放标准之上或接近欧洲 2号排放标准 ;乙醇汽油还具有优于无铅汽油的其它性能 ,如对喷油器有轻微的清净作用 ,发动机排放的CO和HC恶化趋势较慢 ,延长三元催化转化器的使用寿
5) three-way catalytic converter
三元催化转化器
1.
A study on applied technology of three-way catalytic converter with rare earth;
三元催化转化器稀土应用技术的研究
2.
Oxygen sensor is a key component which affects the purification for three-way catalytic converter.
氧传感器是影响三元催化转化器催化净化效果的一个关键元件。
3.
But charge efficiency decreases when back pressure of exhaust increases because of the pressure loss in three-way catalytic converter (TWC).
模拟和测试结果表明:流速越大,分布越不均匀,三元催化转化器中的压力损失越大;发动机转速越高,压力损失对充气效率的影响也越大。
6) TWC
三效催化转化器
1.
A computational fluid dynamics code was used to simulate the flow field and pressure loss in three-way catalytic converter(TWC),and a contrastive test for characteristic curves of the engines with and without TWC was performed.
采用计算流体动力学软件对三效催化转化器 (TWC)流场和压力损失进行了数值模拟 ,并对原机与安装TWC后发动机的特性曲线进行了对比试验。
2.
After application ofElectronic Fuel Injection (EFI) and Three-Way-Catalyst (TWC) in gasoline engine,more than 90% of CO, NOX, THC emitted from the engine is reduced.
电控汽油喷射(EFI)和三效催化转化器(TWC)的应用,将发动机三种主要排气污染物THC、CO和NOX同时降低了90%以上。
补充资料:三效催化器
三效催化器是同时可以降低CO、HC、NOX的催化转化器,主要由涂有贵金属铂(pt)、铑(Rh)、钯(pd)和其他一些催化剂的载体和壳体构成,另外还有垫层、隔热罩等部分。它只在发动机空燃比在理论空燃比附近时对CO、HC、NOX同时具有很高的转化效率,这需要对发动机的空燃比进行精确控制。三效催化器由于具有良好的转化性能,在汽车排气污染控制中得到广泛应用。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条