NGHIÊN CỨU ẢNH HƯỞNG CỦA BỘ SIÊU NÉN KHÔNG KHÍ NẠP ĐẾN NỒNG ĐỘ KHÍ THẢI CỦA ĐỘNG CƠ PHUN XĂNG

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Tác giả: Văn Kiên Phạm

Ngôn ngữ: vie

Ký hiệu phân loại:

Thông tin xuất bản: Tạp chí Khoa học Đại học Khánh Hòa, 2022

Mô tả vật lý: tr.11

Bộ sưu tập: Metadata

ID: 335689

Thêm vào giỏ Liên kết toàn văn

Nội dung bài báo tập trung vào nghiên cứu thực nghiệm vận hành động cơ phun xăng kết hợp bộ siêu nén không khí nạp (bộ siêu nén) chạy bằng điện. Trong đó, ảnh hưởng của bộ siêu nén đến nồng độ khí thải của động cơ được xem xét. Động cơ phun xăng 1NZ-FE có lắp đặt thêm bô siêu nén được sử dụng cho thực nghiệm. Thông số nồng độ khí thải CO và HC được thu thập nhằm phân tích và đánh giá mức độ ảnh hưởng của bô siêu nén. Kết quả thực nghiệm cho thấy khi động cơ hoạt động có hỗ trợ của bộ siêu nén thì nồng độ khí thải CO và HC giảm đáng kể. Trong quá trình hoạt động của động cơ, ở chế độ tốc độ motor bộ siêu nén là 1000, 1500 và 2000 (vòng/ phút) thì nồng độ CO giảm trung bình 8,7%, 16,6% và 24,8% và nồng độ HC giảm trung bình 11,9%, 20,5% và 29,4% so với trường hợp không có sự hỗ trợ của bộ siêu nén.The study focuses on experimental research on the operation of a gasoline injection engine combined with an electric supercharger. In which, the effect of the supercharger on the emission concentration of the engine was considered. 1NZ-FE gasoline injection engine with the supercharger was used for the experiment. Parameters of CO and HC emission concentration were collected to analyze and evaluate the effect of the supercharger. The experimental results showed that when the engine operated with the support of the supercharger, the CO and HC emission concentration were significantly reduced. During the operation of the engine, at the supercharger’s motor speed mode of 1000, 1500 and 2000 (rpm), the average CO concentration decreased by 8.7%, 16.6% and 24.8% and the average HC concentration decreased by 11.9%, 20.5% and 29.4% as comparing to the case of engine without the supercharger support.

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