Transcription of Technical information ABB Turbocharging Operating ...
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Technical informationABB TurbochargingOperating turbochargers Collection of articles by Johan Schieman published in Turbo Magazine 1992 19962 Contents | Operating turbochargersBBC turbochargers in operation 3 How ambient conditions affect turbocharger performance 5 Turbochargers, efficiency and the diesel engine 8 Turbochargers, load cycles and overload 12 Turbocharging systems for diesel engines 14 Turbocharger compressors the phenomenon of surging 19 Turbocharger turbines: aspects of axial and radial turbines 23 Turbocharging over the years 28 About the author 34 ContentsOperating turbochargers| Turbo Magazine 2 /1992 3 BBC turbochargers in operationTurbochargers retain their efficiency over their service life providing they are operated properly and kept clean by in-service job of a diesel engine turbocharger is to supply com-pressed air to the engine.
layer of dirt is deposited on the nozzle rings and tur bine blades. Dirt layers can be moved by periodical cleaning (once a week to once daily, as required), allowing longer intervals between cleanings requiring dismantling of the turbocharger. Fig. 2: Waterwashing arrangement for cleaning a compressor. 0.3 0.4 0.5 [m3/s] Air flow 0.5 0.6 0.7 0 ...
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