Pendeteksian Knocking Combustion Dengan Menggunakan Simultaneously High-Speed Schlieren Cinematography dan Multi Optical Fiber Technique (Bagian 2)  

Oleh:

Ruslan, Wegie

Jenis: Article from Journal - ilmiah nasional - tidak terakreditasi DIKTI - atma jaya
Dalam koleksi: Metris: Jurnal Mesin, Elektro, Industri dan Sains vol. 3 no. 2 (Jun. 2002), page 43-53.
Topik: ENGINE; combustion knock; combustion shamber; gasoline engine
Fulltext: hal 43-53.pdf (645.52KB)

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: MM42 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

The exact correklation between schlieren photography and optical fiber technique shows that the knocking combustion is initiated by self ignitions in the unburned regions, clearly separated from the spark ignited flame. The complete autoignition (i.e. knocking combustion) proceeds in two stages thus showing distinet prereactions. Nearly simultaneous slef cognition processes in the entire unburned region as well as single self igniton Kernels expanding into the unburned gas were observed. In case of strong knock, the analog light intensity traces indicate that shock waves, sused by supersonic flame propagation, are responsible for initiating the characteristic high frequency gas oscillations. Detonation processes occur only for a very short time. The processes suggested from supersonic flame propagation and correlating peaks in pressure traces simultaneously recorded.

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