Temat: generator of energy - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Research and simulation work of TEG in cogeneration task of the exhaust system
Autorzy:: Chmielewski, A.
Lubikowski, K.
Radkowski, S.
Szczurowski, K.
Powiązania:: https://bibliotekanauki.pl/articles/246212.pdf
Data publikacji:: 2013
Wydawca:: Instytut Techniczny Wojsk Lotniczych
Tematy:: cogeneration of energy
exhaust system
thermoelectric generator
Opis:: One of the main directions of development of power transmission systems in vehicles involves improvement of energy efficiency of combustion engines, especially reduction of the loss related to waste heat in cooling and exhaust systems. The traditional role of the exhaust system is to remove exhaust gases from a combustion engine and muffle the noise created during the engine’s operation. Relevant distribution of temperatures along the entire length of the exhaust system is a very important element in such a complex structure. The examples could be the particulate solids filter or the converter which have to reach a relevant temperature to operate properly while the temperature’s growth is simultaneously restricted due to the limitations associated with the materials used. The research was conducted while using the ECOTEC 1.8 litre engine from Opel, the X18XE model. The engine was installed in a tested, in the mechatronic lab at the Faculty of Automotive and Construction Machinery Engineering (SIMR) of Warsaw University of Technology. The paper reviews the energy efficiency of TEG depending on deferent parameters of gas stream an weather conditions. This is original value of this paper. The results of the experiment are presented in the last section of the article.
Źródło:: Journal of KONES; 2013, 20, 2; 41-47
1231-4005
2354-0133
Pojawia się w:: Journal of KONES
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Thermal analyses of exhaust system on combustion engine
Autorzy:: Dybała, J.
Lubikowski, K.
Rokicki, K.
Szulim, P.
Wikary, M.
Powiązania:: https://bibliotekanauki.pl/articles/241765.pdf
Data publikacji:: 2012
Wydawca:: Instytut Techniczny Wojsk Lotniczych
Tematy:: cogeneration of energy
exhaust system
thermoelectric generator
Opis:: Nowadays there are more and more discussions on acquisition of energy from sources other than natural sources of energy. Many scientific research centres deal with the issue of energy recovery as well as use of energy from renewable sources. The communities associated with the automotive industry devote a lot of attention to the issue of improving the energy efficiency of vehicles. Since a combustion engine uses less than half of the energy produced during the combustion process, thus the issues of recovery of thermal energy and its conversion into electrical energy evoke increasing interest. The article presents the process of examination of the temperature of the exhaust system in a car engine operating in a laboratory environment. Measuring equipment was used to the temperatures' determine. Analysis of distribution of temperatures in the exhaust system creates grounds for rational selection of the places where the thermal energy recuperation systems should be installed. At present, the possibilities of recovery of thermal energy are still seriously restricted by the properties of the materials of which the elements of the thermal energy recovery systems are made. High propensity of these elements to thermal defects is a serious problem in practical application of these materials in thermal energy recovery systems. The results obtained in an experiment serve as the basis for determining the locations where thermoelectric generators should be installed while accounting for their thermal limitations.
Źródło:: Journal of KONES; 2012, 19, 4; 173-178
1231-4005
2354-0133
Pojawia się w:: Journal of KONES
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Energy scavenging in a vehicles exhaust system
Autorzy:: Lubikowski, K.
Radkowski, S.
Szczurowski, K.
Wikary, M.
Powiązania:: https://bibliotekanauki.pl/articles/246763.pdf
Data publikacji:: 2012
Wydawca:: Instytut Techniczny Wojsk Lotniczych
Tematy:: cogeneration of energy
exhaust system
thermoelectric generator
Opis:: Present- day development of power transmission systems, especially the ones based on combustion engines, is trying to cope with the issue of improving the energy efficiency of energy processing systems. One of the directions is to use the techniques of thermal energy recovery from an engine's exhaust system. Vast part of the energy produced while burning the air- fuel mixture is lost in the cooling and exhaust systems. Research in this area was conducted by numerous teams, both abroad and in Poland, while focusing on use of Peltirea cells. The results of their research demonstrated small efficiency of these cells. In this paper, the authors have focused on modifications of the exhaust system in order to improve heat exchange between the exhaust system's elements and TEG. The research was conducted while using the ECOTEC 1.8 litre engine from Opel, the X18XE model. The engine was installed in a testbed, in the mechatronic lab at the Faculty of Automotive and Construction Machinery Engineering (SIMR) of Warsaw University of Technology. Spartan HE923 radiators were installed on the cold end of the module. The paper presents the results of the research related to interworking of TEG's with the exhaust system's heat-generating elements of various shapes. The paper reviews the energy efficiency of TEG depending on diverse parameters of gas flow. A parallel system has been assumed (controlled stream and pressure of the flowing exhaust gases without any interference as regards the speed of the of combustion engine). The factor-related experiment accounts for the influence that the pressure and temperature difference, depending on the volume and discharge of exhaust fumes, have on the efficiency of TEG for the same temperature. The results of the experiment are presented in the last section of the article.
Źródło:: Journal of KONES; 2012, 19, 3; 253-261
1231-4005
2354-0133
Pojawia się w:: Journal of KONES
Dostawca treści:: Biblioteka Nauki

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