Results 21 to 30 of about 345,672 (330)

Optical diagnostics on the pre-chamber jet and main chamber ignition in the active pre-chamber combustion (PCC)

Combustion and Flame, 2021
Abstract We studied the relationship between pre-chamber jet and main chamber ignition in the pre-chamber combustion (PCC) of an optical engine, fueled with methane and equipped with an active pre-chamber with two rows of orifices. Acetone planar laser-induced fluorescence (PLIF) and OH* chemiluminescence imaging techniques were simultaneously ...
Qinglong Tang, Ramgopal Sampath, Manuel Echeverri Marquez, Priybrat Sharma, Ponnya Hlaing, Moez Ben Houidi, Emre Cenker, Junseok Chang, Gaetano Magnotti, Bengt Johansson   +9 more
openaire   +2 more sources

Numerical Investigation on the Performance of a 4-Stroke Engine with Different Passive Pre-Chamber Geometries Using a Detailed Chemistry Solver

Energies, 2022
Pre-chamber turbulent jet ignition represents one of the most promising techniques to improve spark ignition engines efficiency and reduce pollutant emissions.
Simone Bigalli, Iacopo Catalani, Francesco Balduzzi, Nicola Matteazzi, Lorenzo Agostinelli, Michele De Luca, Giovanni Ferrara   +6 more
doaj   +1 more source

Experimental Study of Pre-evacuation Effect on Second throat Diffuser Starting Process [PDF]

علوم، فناوری و کاربردهای فضایی, 2022
In the present study, the effect of pre- evacuation on starting process of a second throat exhaust diffuser has been investigated experimentally by examining a thrust optimized parabolic nozzle.
Nematollah Fouladi, sina afkhami, Mahmood PasandidehFard   +2 more
doaj   +1 more source

Effects of passive pre-chamber jet ignition on combustion and emission at gasoline engine

Advances in Mechanical Engineering, 2021
Pre-chamber jet ignition is a promising way to improve fuel consumption of gasoline engine. A small volume passive pre-chamber was tested at a 1.5L turbocharged GDI engine.
Wei Duan, Zhaoming Huang, Hong Chen, Ping Tang, Li Wang, Weiguo Chen   +5 more
doaj   +1 more source

The High-Acceptance Dielectron Spectrometer HADES [PDF]

, 2009
HADES is a versatile magnetic spectrometer aimed at studying dielectron production in pion, proton and heavy-ion induced collisions. Its main features include a ring imaging gas Cherenkov detector for electron-hadron discrimination, a tracking system ...
Agakichiev, G., Agodi, C., Alvarez-Pol, H., Atkin, E., Badura, E., Balanda, A., Bartolotti, A., Bassi, A., Bassini, R., Bellia, G., Belver, D., Belyaev, A. V., Benovic, M., Bertini, D., Bielcik, J., Boiano, C., Bokemeyer, H., Boyard, J. L., Brambilla, S., Braun-Munzinger, P., Böhmer, M., Cabanelas, P., Castro, E., Chepurnov, V., Chernenko, S., Christ, T., Coniglione, R., Cosentino, L., Dahlinger, M., Daues, H. W., Destefanis, M., Dohrmann, F., Dressler, R., Durán, I., Dybczak, A., Díaz, J., Eberl, T., Enghardt, W., Fabbietti, L., Fateev, O. V., Fernández, C., Finocchiaro, P., Friese, J., Fröhlich, I., Fuentes, B., Galatyuk, Tetyana, Garabatos, C., Garzón, J. A., Genolini, B., Gernhäuser, R., Gilardi, C., Gilg, H., Golubeva, M., González-Díaz, D., Grosse, E., Guber, F., Hehner, J., Heidel, K., Heinz, T., Hennino, T., Hlavac, S., Hoffmann, J., Holzmann, R., Homolka, J., Hutsch, J., Ierusalimov, A. P., Iori, I., Ivashkin, A., Jaskula, M., Jourdain, J. C., Jurkovic, M., Kajetanowicz, M., Kanaki, K., Karavicheva, T., Kastenmüller, A., Kidon, L., Kienle, P., Kirschner, D., Koenig, I., Koenig, W., Kolb, Burkhard, Kopf, U., Korcyl, K., Kotte, R., Kozuch, A., Krizek, F., Krücken, R., Kugler, A., Kulessa, R., Kurepin, A., Kurtukian-Nieto, T., Kämpfer, B., Körner, H. J., Kühn, W., Lang, S., Lange, J. S., Lapidus, K., Lehnert, J., Leinberger, U., Lichtblau, C., Lins, E., Lippmann, C., Lorenz, M., Magestro, D., Maier, L., Maier-Komor, P., Maiolino, C., Malarz, A., Marek, T., Markert, J., Metag, V., Michalska, B., Michel, J., Migneco, E., Mishra, D., Morinière, E., Mousa, J., Münch, M., Müntz, C., Naumann, L., Nekhaev, A., Niebur, W., Novotny, J., Novotny, R., Ott, W., Otwinowski, J., Pachmayer, Y. C., Palka, M., Parpottas, Y., Pechenov, V., Pechenova, O., Petri, M., Piattelli, P., Pietraszko, Jerzy, Pleskac, R., Ploskon, M., Pospísil, V., Pouthas, J., Prokopowicz, W., Przygoda, W., Pérez Cavalcanti, T., Ramstein, B., Reshetin, A., Ritman, J., Roche, G., Rodriguez-Prieto, G., Rosenkranz, K., Rosier, P., Roy-Stephan, M., Rustamov, A., Sabin-Fernandez, J., Sadovsky, A., Sailer, B., Salabura, P., Salz, C., Sapienza, P., Schicker, R. M., Schmah, A., Schroeder, C., Schroeder, S., Schwab, E., Schäfer, D., Schön, H., Schön, W., Senger, P., Shileev, K., Simon, Reinhard, Skoda, M., Smolyankin, V., Smykov, L., Sobiella, M., Sobolev, Yu. G., Spataro, S., Spruck, B., Stelzer, H., Stroth, J., Ströbele, H., Sturm, C., Sudoł, M., Suk, M., Szczybura, M., Sánchez, M., Taranenko, A., Tarantola, A., Teilab, K., Tiflov, V., Tikhonov, A., Tlusty, P., Toia, A., Traxler, M., Trebacz, R., Troyan, A. Yu., Tsertos, H., Turzo, I., Ulrich, A., Vassiliev, D., Volkov, Y., Vázquez, A., Wagner, V., Wallner, C., Walus, W., Wang, Y., Weber, M., Wieser, J., Winkler, S., Wisniowski, M., Wojcik, T., Wüstenfeld, J., Yurevich, S., Zanevsky, Y. V., Zeitelhack, K., Zentek, A., Zhou, P., Zovinec, D., Zumbruch, P.   +214 more
core   +2 more sources

Lean combustion and emission performance of a gasoline direct injection engine with active pre-chamber

Advances in Mechanical Engineering, 2022
Pre-chamber jet ignition technology can effectively improve flame propagation speed and in-cylinder combustion rate, so it is conducive to the improvement of thermal efficiency and fuel economy.
Li Zhang, Zhaoming Huang, Tao Wang, Niu Zhao, Haiyan Cheng, Weiguo Chen   +5 more
doaj   +1 more source

An experimental study of wall-injected flows in a rectangular cylinder [PDF]

, 2017
An experimental investigation of the flow inside a rectangular cylinder with air injected continuously along the wall is performed. This kind of flow is a two-dimensional approximation of what happens inside a solid rocket motor, where the lateral grain ...
Favini, B., Perrotta, A., Romano, G. P.
core   +1 more source

Performance Comparison Between Two Different Injector Configurations in a Hybrid Rocket [PDF]

, 2007
Mass flux and pressure are usually considered the main parameters affecting the fuel regression rate in hybrid rockets, whereas the influence of the oxidiser injector is often neglected. Nevertheless, in some specific configurations, even in conventional
CARMICINO, CARMINE, RUSSO, ANNAMARIA
core   +1 more source

Analysis of Performance of Passive Pre-Chamber on a Lean-Burn Natural Gas Engine under Low Load

Journal of Marine Science and Engineering, 2023
Stable ultra-lean combustion is an effective way for natural gas engines to reduce NOx emissions, but it also has higher requirements for ignition stability.
Changhao Lu, Enzhe Song, Congcong Xu, Zuo Ni, Xiyu Yang, Quan Dong   +5 more
doaj   +1 more source

Radiolysis of ammonia-containing ices by energetic, heavy and highly charged ions inside dense astrophysical environments [PDF]

, 2009
Deeply inside dense molecular clouds and protostellar disks, the interstellar ices are protected from stellar energetic UV photons. However, X-rays and energetic cosmic rays can penetrate inside these regions triggering chemical reactions, molecular ...
Balanzat, E., Boduch, P., da Silveira, E. F., Domaracka, A., Duarte, E. Seperuelo, Pilling, S., Rothard, H.   +6 more
core   +3 more sources