Opportunities of exhaust heat recovery and conversion to electricity

• Autorzy: Cienciała M. , Kaźmierczak A. , Krakowian K. , Błasiński T.
• Języki publikacji: EN

Abstrakty

EN

The maximum efficiency of the conventional spark ignition engine is 33%, in the case of diesel engines is 42%. The conclusion is that the energy contained in the fuel and "released" in the combustion process is converted into mechanical work only in a small degree. The rest of the energy is unfortunately lost by heat, friction, or used to drive the engine accessories. It should also be noted that these values are peak efficiency, which is achieved only when the engine works in optimal parameters. At most used parameters engines reach efficiency on the level of 10% to 25%. In modern cars with a hybrid powertrain are solutions that can improve the efficiency of conventional internal combustion engines. It is worth to notice that there are few ways to improve the efficiency of a reciprocating engine. The main technological trends on which research is underway are knock ignition and heat recovery from the exhaust. More development seems to be the second solution, because it can be used to design new engines such as the replacement of the alternator on the generator of electricity from exhaust heat. Besides, it will be possible to adapt these systems to in-use units, which improve the energy balance of riding vehicles. In article, you will find information of literature analysis for exhaust heat recovery and conversion to electricity solutions, computerized exhaust modification with flow calculations, real modification, test bench creation, researches and scores, analysis.

Słowa kluczowe

EN

combustion engine; heat recovery; simulation; efficiency; environmental protection

• Wydawca: Łukasiewicz Research Network - Institute of Aviation ; European Science Society of Powertrain and Transport KONES Poland ; Wydawnictwo Instytutu Technicznego Wojsk Lotniczych
• Czasopismo: Journal of KONES
• Rocznik: 2013
• Tom: Vol. 20, No. 4
• Strony: 63--70
• Opis fizyczny: Bibliogr. 5 poz., rys.

Twórcy

autor

Cienciała M.

• Wroclaw University of Technology, Department of Mechanical Engineering Wybrzeże Wyspiańskiego 27, 50-370 Wroclaw, Poland tel.: [phone], fax: [phone]

autor

Kaźmierczak A.

• Wroclaw University of Technology, Department of Mechanical Engineering Wybrzeże Wyspiańskiego 27, 50-370 Wroclaw, Poland tel.: [phone], fax: [phone]

autor

Krakowian K.

• Wroclaw University of Technology, Department of Mechanical Engineering Wybrzeże Wyspiańskiego 27, 50-370 Wroclaw, Poland tel.: [phone], fax: [phone]

autor

Błasiński T.

• Wroclaw University of Technology, Department of Mechanical Engineering Wybrzeże Wyspiańskiego 27, 50-370 Wroclaw, Poland tel.: [phone], fax: [phone]

Bibliografia

• [1] Cienciała, M., Badania silnika spalinowego o zapłonie samoczynnym współzasilanego mieszaniną tlenowo-wodorową, Wroclaw University of Technology, 2011.
• [2] Kaźmierczak, A., Silniki Pojazdów Samochodowych, REA, 2010.
• [3] Kaźmierczak, A., Tarcie i zużycie zespołu tłok-pierścienie-cylinder, Wroclaw University Press, Wrocław 2005.
• [4] Kaźmierczak, A., Wpływ zastosowania powłoki cermetalicznej na procesy tribologiczne w uszczelnieniu pierścieniowym silników spalinowych, Wroclaw University Press, Wrocław 2002.
• [5] Kaźmierczak, A., red. Tarcie, zużycie i smarowanie w silnikach spalinowych, Wroclaw University Press, Wroclaw 1996.