ricardo port flow bench 里卡多气道试验台

《ricardo port flow bench 里卡多气道试验台》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、RicardoPortFlowBench里卡多气道试验台2010-02-0820:41:02View:0Ricardo Port Flow Bench 里卡多气道试验台Introduction:介绍： Theaccurateevaluationofengineportcharacteristicsintermsofflowcapacityandthedeveloped“incylinder”airmotionpropertiesareofincreasingimportanceinboththeproductimprovementprocessandforproductionconforma

2、ncetesting. The“in-cylinder”airmotionpatterndevelopsasa“swirl”characteristicwheretherotationalaxisisaboutthecentrelineofthecylinderormaybedominatedbya“tumble”effectinwhichthebodyofrotationisperpendiculartothecylinderbore.对于发动机在气道空气流通能力和缸内气体运动方面的气道特性的精确评估在产品改进过程和产品一致性测试中发挥越来越重要的作用。气体缸内流动模式分涡流（旋转中心线为

3、气缸轴线），或者滚流（旋转中心线与气缸轴线垂直）。 Ricardoanditssupplypartnerhavesuppliedequipmenttoundertakethisformoftestingformanyyearscomprisingtheflowmeasurementandswirldetectionsystemspackagedasaself-containedtestingfacility.Theswirlorrotationalflowcomponentismeasuredusingatransducersystem.Inthistechniquethe“momentum

4、”oftherotatingairpatternisdirectlymonitoredthroughthetorquereactionexertedonaflowstraighteningmatrixrestrainedbyaprecisionloadcellinstalledontheaxisoftheflowstream. 里卡多和其供应商已经在气流测试和涡流检测方面研究了多年，形成了独立的测试系统。涡流或旋转气流的检测使用一个传感器系统。在该技术下，通过安装在气流旋转轴线上的扭矩仪对旋转气体由于变成直线运动而在蜂窝片产生的扭矩测量，从而对旋转气体的动量进行直接监控。 AndalsoRi

5、cardomethodfortheairflowcoefficient,theswirlandtumbleevaluationisoneofthemostlyusedmethodsintheworld.同时，里卡多对于空气流通系数和涡流，滚流的评估方法是世界上使用最多的几种方法之一。 Hardwareconfiguration:硬件配置： 1.Airflowsystem空气流量系统Includingatwodirectionblower,alargeflowconditioningplenumchamber包括一个可用于吸风或吹风模式的可变速可逆向的鼓风机，一个大稳压箱 2.Mainflow

6、benchcarryingthecylinderheadandmeasurementsystem主测试台，用于安装测试用的气缸盖和测量系统Includingonetestbench,adummycylinder,oneswirlmeterandL.F.M.airflowmeter包括一个测试台，一个模拟气缸套，一个涡流动量计，一个L.F.M.空气流量计。Thebenchisconstructedfrommildsteelhollowsectionsofvaryingthickness.Themountingplateonthebenchissupportedonfourballtransfe

7、runitsandoutboardrollerguidesforeasilyinstallationandpositioningforeachcylinderofthecylinderhead.Thedummycylinderisfixedunderthebenchwhichconnectedtotherighttestcylinderwithaswirlmeterinside.Aspaceradaptori