简介:3-Dnumericalsimulationforfuelcellperformance;A1{supleft}HNMRpulsegradientspin-echo(PGSE)studyofthemasstransportofdimethyloxalateandethyleneglycol:newfuelsfortheDOFC;Abasicconsiderationofenergybalanceandexergylossatafuelcellsystem;Abroadlookattheworkings,types,andapplicationsoffuelcells;Acomparativereviewoffuelcellvehicles(FCVs)andhybridelectricvehicles(HEVs)PartⅡ:Controlstrategies,powertrain,totalcost,infrastructure,newdevelopments,andmanufacturingandcommercialization;Acomparativereviewoffuelcellvehicles(FCVs)andhybridelectricvehicles(HEVs),PartI:Performanceandparametercharacteristics,emissions,well-to-wheelsefficiencyandfueleconomy,alternativefuels,hybridizationofFCV;
简介:摘要:为保证气田安全开发及平稳生产,采用地面安全控制系统与SCADA系统相关联,实现对井下安全阀和地面安全阀远程和就地控制。对普光气田所使用的三种地面安全控制系统的特点和功能分别进行了分析。控制系统的安全性、有效性是高含硫气井能否安全平稳生产运行的关键。