Variable geometry turbine (VNT) can improve the low-speed performance and emission of turbocharged diesel engine.

可变喷嘴涡轮调节技术是改善增压柴油机低速性能、降低柴油机排放的有效措施。

The experiment on the matching between a variable nozzle turbocharger (VNT) and CA498Z diesel engine is performed.

在CA498 Z柴油机上进行了可变喷嘴增压器(VNT)的匹配试验研究。

Variable nozzle Turbocharger (VNT) is the chief type of VGT and it can match with the diesel engine by rotating its nozzle pivots.

可变喷嘴涡轮增压器(VNT)作为VGT的一种主要型式是通过改变喷嘴环流通截面积的大小而实现增压器与柴油机的匹配。

A high pressure cooled EGR system based on VNT was designed, and the effects of EGR on the performance and emissions of the engine were studied.

建立了基于可变喷嘴环增压器(VNT)的冷却高压egr系统，进行了EGR对性能和排放影响的研究。

Results show that the EGR rate can be effectively regulated by adjusting VNT vane position while still ensuring sufficient fresh intake air mass flow.

结果表明，通过调节VNT开度可以有效控制EGR率，并能保证较充足的新鲜空气量。

The matching experiment for WD615 diesel engine with VNT was also carried out, and the results were compared with those with constant geometry turbocharger.

进行了可变喷嘴涡轮增压器与WD615柴油机的匹配试验，并将匹配结果与原机进行了试验比较；

The design features of HOWDEN VNT type stationary sealed air preheater, such as stationary seal system, double seals, driven system and bearings etc. are described.

介绍HOWDEN VNT型固定密封空气预热器的设计特点，如固定式密封系统、双重密封、驱动系统和轴承等。

Thus, the electronically controlled fuel injection system with flexible fuel supply characteristics can fully demonstrate the potential of diesel with VNT turbocharger.

可见，基于电控供油系统的柔性供油特性可以更充分地发挥VNT系统潜能。

Turbine experiment of VNT with rotating vane, which is designed for CA6106 diesel engine, was undertaken. The results show that turbine performance can be adjusted effectively.

将所设计的转叶式可变喷嘴涡轮增压器进行了涡轮性能试验，试验结果表明它能够有效地调节涡轮特性。

Synthetic matching of VNT, electronically controlled pump and the aftertreatment system and investigating of the variation of the particulate exhaust at 13 operating conditions.

综合匹配电控VNT、电控泵和后处理系统后，研究发动机十三工况微粒的变化情况。

Conclusion The VNT via retrosigmoid approach is the wide adopted operation which is a convenient and safe technique for controlling and eliminating the vertigo in Meniere's disease.

结论经乙状窦后径路行VNT是目前普遍采用的一种较为方便、安全的控制或消除梅尼埃病患者眩晕症状手术方法，同时能保存听觉功能和面神经完整性；

Variable nozzle turbocharger (VNT) can improve the low-speed performance and emission of turbocharged diesel engine. Turbine experiment of JK90S turbocharger with rotating vanes was undertaken.

将所设计的JK90S转叶式可变喷嘴涡轮增压器进行了涡轮性能试验。

The matching test for CA6106 diesel engine with VNT was also carried out, and the results were compared with those with waste-gate turbocharger. It can be shown that using VNT, the fuel consumption...

进行了可变喷嘴涡轮增压器与CA6106柴油机的匹配试验，并将其结果与带放气阀增压器的试验结果进行了比较，结果表明CA6106柴油机高速油耗和整个外特性烟度都得到明显的改善。