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BMW unveils the turbosteamer concept


oSerX

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BMW is unveiling its turbosteamer hybrid engine, which uses the excess heat in the exhaust system and reclaims 80% of it by powering a steam engine that assists the gas engine. Overall, this gives a 15% more efficient engine; and significant additional performance (power and torque) with practically no downside. "This project resolves the apparent contradiction between consumption and emission reductions on one hand, and performance and agility on the other," commented Professor Burkhard GĂśschel.

 

http://www.gizmag.co.uk/go/4936/

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The down side, despre care nu se vorbeste in prezentare este greutatea instalatiei.

Nu mai stiu de unde stiu si, deci, nu poate fi luata ca singura informatia, dar am inteles ca este vorba de vreo suta de kg in plus.

Pentru ca 15% in plus la putere sa compenseze 100 de kg trebuie sa ai deja un motor maricel. Deci pe motoarele mici nu prea are sens.

Insa, e prematura discutia pana nu mai gasim informatii.

Dar de aberatia ai de la VW "compresor+turbo" ce zici?

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Dar de aberatia ai de la VW "compresor+turbo" ce zici?

61468[/snapback]

 

turbocompresor ?

 

Turbocompresor - este un tip de compresor a carui roata de compresie este actionata de o turbina care se roteste in gazele de esapament. Avantajul e reprezentat de faptul ca energia e gratuita. Dezavantajul este ca trebuie sa existe o cantitate de gaze de esapament pentru a antrena turbocompresorul, caci altfel apare turbo-gaura, iar motorul capata cu greu putere. Din aceasta cauza sistemul turbo s-a impus doar la motorul diesel, care dispune de o cantitate mai mare de gaze de esapament (deoarece si aerul care nu mai este necesar paraseste motorul prin teava de esapament).

 

Turboincarcator - dispozitiv performant de incarcare pus in functiune de gazele de esapament ale motorului. Turbina, propulsata de gazele fierbinti din conducta de evacuare, invarte compresorul. Compresorul mareste admisiunea de aer care, combinata cu combustibil aditional, produce mai multa putere. Turboincarcatoarele folosesc intodeauna compresoare centrifuge care functioneaza eficient la viteze rotationale mai mari, produse de turbina de evacuare.

Edited by bogdan
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