Warm-Up Characteristics of Thin Wall Honeycomb Catalysts Nissan Motor Company, Limited

Format:

Conference/Event

Author/Creator:

Yamamoto, Hiroaki, author.

Conference Name:

International Congress & Exposition (1991-02-25 : Detroit, Michigan, United States)

Language:

English

Physical Description:

1 online resource

Place of Publication:

Warrendale, PA SAE International 1991

Summary:

HC emission standards will be tightened during the 1990's in the US. A key issue in reducing HC emission is improving the warm-up characteristics of catalysts during the cold start of engines. For this purpose, studies are under way on reduction of heat mass of ceramic substrates. Reduction of cell walls in substrates to thickness smaller than the current thickness of 12mil or 6mil has resulted in reduced heat mass, and also reduced flow restriction of substrates.The warm-up characteristics of low bulk density catalysts are better than those of high bulk density, id est, the warm-up characteristics of thinner wall or lower cell density catalysts are better than those of thicker wall or higher cell density catalysts. A relationship between geometric surface area and warm-up characteristics is observed

Notes:

Vendor supplied data

Publisher Number:

910611

Access Restriction:

Restricted for use by site license