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Summary & Details

Emission Characteristics and Evaluation Method of Solid Particle Number from Diesel Engines Equipped with a Periodically Regenerating DPF

周期的再生式DPFを搭載したディーゼルエンジンにおける固体粒子数の排出挙動と評価法

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Format: PDF

Price: Non-members (tax incl.)：￥1,100 Members (tax incl.)：￥880

Publication code: 20266033

Paper/Info type: Proceedings (Autumn)

No.99-26

Pages: 1-2(Total 2 p)

Date of publication: Oct 2026

Publisher: JSAE

Language: Japanese

Event: 2026 JSAE Annual Congress (Autumn)

Detailed Information

Author(J)	1) 志村渉
Author(E)	1) Ayumi Shimura
Affiliation(J)	1) 自動車技術総合機構
Affiliation(E)	1) NALTEC
Abstract(J)	周期的再生式DPFでは，捕集効率の変動に伴ってSPN排出量が大きく変動し，特に再生直後は捕集効率の低下により，SPNの排出量とばらつきが増大する．本研究では，周期的再生式DPFを搭載した重量車用ディーゼルエンジンにおけるSPN排出挙動を評価し，認証試験においてSPN排出量を簡便かつ適切に評価する方法を提案する． Translation
Abstract(E)	In periodically regenerating DPFs, changes in filtration efficiency cause significant variations in SPN emissions. Immediately after regeneration, reduced filtration efficiency results in increased SPN emissions and variability. This study evaluates SPN emission characteristics in heavy duty diesel engines equipped with a periodically regenerating DPF and proposes a simple and appropriate evaluation method for SPN emissions during certification testing.

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