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- Variable-geometry_turbocharger abstract "Variable-geometry turbochargers (VGTs), (also known as variable nozzle turbines/VNTs), are a family of turbochargers, usually designed to allow the effective aspect ratio (A:R) of the turbo to be altered as conditions change. This is done because optimum aspect ratio at low engine speeds is very different from that at high engine speeds. If the aspect ratio is too large, the turbo will fail to create boost at low speeds; if the aspect ratio is too small, the turbo will choke the engine at high speeds, leading to high exhaust manifold pressures, high pumping losses, and ultimately lower power output. By altering the geometry of the turbine housing as the engine accelerates, the turbo's aspect ratio can be maintained at its optimum. Because of this, VGTs have a minimal amount of lag, have a low boost threshold, and are very efficient at higher engine speeds. VGTs do not require a wastegate.VGTs tend to be much more common on diesel engines as the lower exhaust temperatures mean they are less prone to failure. The few early gasoline-engine VGTs required significant pre-charge cooling to extend the turbocharger life to reasonable levels, but advances in material technology have improved their resistance to the high temperatures of gasoline engine exhaust and they have started to appear increasingly in, e.g., gasoline-engined sports cars.".
- Variable-geometry_turbocharger thumbnail D13B_EGR.jpg?width=300.
- Variable-geometry_turbocharger wikiPageExternalLink how-does-variable-turbine-geometry-work.
- Variable-geometry_turbocharger wikiPageExternalLink VTG.
- Variable-geometry_turbocharger wikiPageExternalLink turbos.
- Variable-geometry_turbocharger wikiPageID "2546679".
- Variable-geometry_turbocharger wikiPageLength "7988".
- Variable-geometry_turbocharger wikiPageOutDegree "31".
- Variable-geometry_turbocharger wikiPageRevisionID "688205708".
- Variable-geometry_turbocharger wikiPageWikiLink Aspect_ratio.
- Variable-geometry_turbocharger wikiPageWikiLink Back_pressure.
- Variable-geometry_turbocharger wikiPageWikiLink BorgWarner.
- Variable-geometry_turbocharger wikiPageWikiLink Brake.
- Variable-geometry_turbocharger wikiPageWikiLink Category:Turbochargers.
- Variable-geometry_turbocharger wikiPageWikiLink Chrysler_2.2_&_2.5_engine.
- Variable-geometry_turbocharger wikiPageWikiLink Cummins.
- Variable-geometry_turbocharger wikiPageWikiLink Diesel_particulate_filter.
- Variable-geometry_turbocharger wikiPageWikiLink Exhaust_gas_recirculation.
- Variable-geometry_turbocharger wikiPageWikiLink Exhaust_manifold.
- Variable-geometry_turbocharger wikiPageWikiLink Fiat_Croma.
- Variable-geometry_turbocharger wikiPageWikiLink Fuel_efficiency.
- Variable-geometry_turbocharger wikiPageWikiLink Garrett_AiResearch.
- Variable-geometry_turbocharger wikiPageWikiLink Honda_Legend.
- Variable-geometry_turbocharger wikiPageWikiLink MHI.
- Variable-geometry_turbocharger wikiPageWikiLink Mitsubishi_Heavy_Industries.
- Variable-geometry_turbocharger wikiPageWikiLink Peugeot_405.
- Variable-geometry_turbocharger wikiPageWikiLink Porsche_997.
- Variable-geometry_turbocharger wikiPageWikiLink Pumping_loss.
- Variable-geometry_turbocharger wikiPageWikiLink Self-cleaning_oven.
- Variable-geometry_turbocharger wikiPageWikiLink Servomechanism.
- Variable-geometry_turbocharger wikiPageWikiLink Shelby_CSX.
- Variable-geometry_turbocharger wikiPageWikiLink Turbo-diesel.
- Variable-geometry_turbocharger wikiPageWikiLink Turbocharger.
- Variable-geometry_turbocharger wikiPageWikiLink Wastegate.
- Variable-geometry_turbocharger wikiPageWikiLink File:D13B_EGR.jpg.
- Variable-geometry_turbocharger wikiPageWikiLinkText "VGT".
- Variable-geometry_turbocharger wikiPageWikiLinkText "Variable Nozzle Turbines".
- Variable-geometry_turbocharger wikiPageWikiLinkText "Variable-geometry turbocharger".
- Variable-geometry_turbocharger wikiPageWikiLinkText "Variable-geometry turbocharger#History and examples of use".
- Variable-geometry_turbocharger wikiPageWikiLinkText "Variable-geometry".
- Variable-geometry_turbocharger wikiPageWikiLinkText "variable nozzle turbo (VNT)".
- Variable-geometry_turbocharger wikiPageWikiLinkText "variable-geometry turbo".
- Variable-geometry_turbocharger wikiPageWikiLinkText "variable-geometry turbocharger".
- Variable-geometry_turbocharger wikiPageUsesTemplate Template:Advert.
- Variable-geometry_turbocharger wikiPageUsesTemplate Template:Automotive_engine.
- Variable-geometry_turbocharger wikiPageUsesTemplate Template:Citation_needed.
- Variable-geometry_turbocharger wikiPageUsesTemplate Template:Multiple_issues.
- Variable-geometry_turbocharger wikiPageUsesTemplate Template:POV-section.
- Variable-geometry_turbocharger wikiPageUsesTemplate Template:Reflist.
- Variable-geometry_turbocharger subject Category:Turbochargers.
- Variable-geometry_turbocharger hypernym Family.
- Variable-geometry_turbocharger type Compressor.
- Variable-geometry_turbocharger type Turbocharger.
- Variable-geometry_turbocharger comment "Variable-geometry turbochargers (VGTs), (also known as variable nozzle turbines/VNTs), are a family of turbochargers, usually designed to allow the effective aspect ratio (A:R) of the turbo to be altered as conditions change. This is done because optimum aspect ratio at low engine speeds is very different from that at high engine speeds.".
- Variable-geometry_turbocharger label "Variable-geometry turbocharger".
- Variable-geometry_turbocharger sameAs Q1478487.
- Variable-geometry_turbocharger sameAs Turbodmychadlo_s_variabilní_geometrií_lopatek.
- Variable-geometry_turbocharger sameAs Variable-Turbinengeometrie-Lader.
- Variable-geometry_turbocharger sameAs VGT.
- Variable-geometry_turbocharger sameAs 可変ノズルターボ.
- Variable-geometry_turbocharger sameAs വേരിയബിൾ_ജോമെട്രി_ടർബോചാർജർ.
- Variable-geometry_turbocharger sameAs Variabele_geometrie_turbo.
- Variable-geometry_turbocharger sameAs Turbosprężarka_o_zmiennej_geometrii_łopatek.
- Variable-geometry_turbocharger sameAs m.07m80q.
- Variable-geometry_turbocharger sameAs Турбокомпрессоры_с_изменяемой_геометрией.
- Variable-geometry_turbocharger sameAs Turbodúchadlo_s_variabilnou_geometriou_lopatiek.
- Variable-geometry_turbocharger sameAs Q1478487.
- Variable-geometry_turbocharger wasDerivedFrom Variable-geometry_turbocharger?oldid=688205708.
- Variable-geometry_turbocharger depiction D13B_EGR.jpg.
- Variable-geometry_turbocharger isPrimaryTopicOf Variable-geometry_turbocharger.