Tối ưu hóa đa phản hồi trong quá trình khí hóa vỏ trái ca cao (Theobroma cacao) và hiệu suất của nó trong động cơ đa nhiên liệu

Biomass Conversion and Biorefinery - Tập 13 - Trang 10311-10326 - 2022
Murugan Paradesi Chockalingam1, Arun Prasad Gunasekaran2, Joseph Sekhar Santhappan3
1Department of Automobile Engineering, Kongu Engineering College, Erode, India
2Department of Mechanical Engineering, Kongu Engineering College, Erode, India
3Department of Mechanical Engineering, University of Technology and Applied Sciences-Shinas, Shinas, Oman

Tóm tắt

Việc thay thế một phần nhiên liệu thông thường trong động cơ đốt trong bằng nhiên liệu sinh khí từ sinh khối là một trong những lựa chọn tốt nhất để thực hiện sinh khối trong sản xuất năng lượng phân tán. Trong nghiên cứu này, một động cơ đốt nén, thường được sử dụng trong sản xuất năng lượng quy mô nhỏ, đã được thử nghiệm hoạt động trên dầu diesel và khí sinh ra từ vỏ trái ca cao (CPH). Động cơ đã được điều chỉnh để hoạt động với chế độ đa nhiên liệu cũng như nhiều tỉ số nén khác nhau. Thiết kế tổng hợp trung tâm đã được sử dụng để tối ưu hóa các thông số vận hành và hiệu suất. Tại tỉ số nén 18, các thông số hiệu suất như hiệu suất tổng quát (BTE) và tỷ lệ nhiên liệu tiêu thụ (DRR) đều cao, trong khi đó, lượng nhiên liệu tiêu thụ ước lượng (BSFC) và tiêu thụ năng lượng đặc trưng (SEC) đều thấp. Trong chế độ đa nhiên liệu, tổng lượng dầu diesel được thay thế là 72.57%. Hơn nữa, hiệu suất nhiệt phanh (BTE) đạt 22.18% và 27.17% cho tỉ số nén 12 và 18, tương ứng. Trong điều kiện tối ưu, lượng phát thải CO, NOx, HC và khói lần lượt là 0.17 vol%, 250.06 ppm, 19.94 ppm và 22.81%. Hiệu suất của động cơ cho thấy rằng CPH có thể là nguyên liệu đầu vào tiềm năng để cung cấp nhiên liệu khí sạch hơn cho hoạt động đa nhiên liệu. Hơn nữa, dự đoán từ nghiên cứu cho thấy rằng phương pháp bề mặt phản hồi có thể là một phương pháp thích hợp để đánh giá các điều kiện làm việc tối ưu của động cơ đa nhiên liệu.

Từ khóa

#năng lượng sinh khối #động cơ đốt trong #khí hóa #vỏ trái ca cao #tỉ số nén #nhiên liệu đa chao

Tài liệu tham khảo

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