Haskaop Harvester—Part 1: Air Drag Coefficient of Haskaop Berry and Leaf —

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概要

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• In order to separate haskaop berry and leaf during harvest, a vertical separation column was envisaged. The air drag coefficients of berry and leaf were measured to determine the proper air velocity in the separation column. The results show that the air drag coefficient of a berry set horizontally in the air flow was 0.959-2.21, and that of a berry set vertically was 0.322-0.977. The air drag coefficient of the leaves was 0.622-2.36. The minimum terminal velocity of berries (horizontally, 9.1 ms−1 and vertically, 11.0 ms−1) was significantly different from the maximum terminal velocity of the leaves (2.35 ms−1). Therefore, it should be possible to separate the berries and leaves using the air velocity from trial experiments in the separation column.

著者

• KONNO Shigeo

  Environmental Science Laboratory, Senshu University

• ARAYA Ken

  Environmental Science Laboratory, Senshu University

• TERAMOTO Chinao

  Environmental Science Laboratory, Senshu University

• WAKITA Yoichi

  Hokkaido Forestry Research Institute

• NISHINO Taro

  Teine Branch, Hokkaido Bank

• SUZUKI Katuyuki

  Environmental Science Laboratory, Senshu University

• NAKATA Reiji

  Bibai Chamber of Commerce and Industry

関連論文

• Sintering of Salt-affected Soils— Part 2: On-board Sintering of Soil —
• Haskaop Harvester—Part 1: Air Drag Coefficient of Haskaop Berry and Leaf —
• Improvement of Salt-affected Soils by Deep Ploughing : —Part 2: Plot Field Tests in a Sodic Soil (Solonetz) Region—
• Improvement of Salt-affected Soils by Deep Ploughing : — Part 1: Plot Field Tests in a Saline Soil (Solonchak) Region —
• Haskaop Harvester : — Part 2: Separation of Haskaop Berries and Leaves —
• Deep Tillage Plough down to 600 mm for Improvement of Salt-affected Soils

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