Estimation of Fuel Evaporative Emissions from Gasoline Vehicles


Evaporative emissions from gasoline vehicles in Japan has been estimated using a real world model. This model consists of a model of permeations from fuel tank and fuel pipes, and breakthrough emissions from canister. Since user operation has an influence on breakthrough emissions, the investigation took place in three regions: metropolis, provincial cities, and rural areas. In areas with similar weather conditions, the daily maximum and minimum temperatures were adapted to the model. The estimated total amount of evaporative emissions was 34459 ton per year. Estimated results show that evaporative emissions in metropolis area is relatively high in Japan. Evaporative emissions from gasoline vehicles account for almost 4.7% of all the stationary sources in Japan; this is the fourth largest amount among all stationary sources.より正確な燃料蒸発量を見積もるため自動車の使用頻度調査を行い,その結果を燃料蒸発ガスモデルに適用し,燃料蒸発ガス量を推計した.その結果,自動車からの燃料蒸発ガス量は他の排出源と比較して4番目という高い水準となった.燃料蒸発ガス量は使用頻度を考慮しない場合に比べ約1 割増加した.


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  • Accession Number: 01666778
  • Record Type: Publication
  • Source Agency: Japan Science and Technology Agency (JST)
  • Files: TRIS, JSTAGE
  • Created Date: Jan 31 2018 3:18PM