Journal: Aerospace Science and Technology, vol. 178, pp. 113168, 2026.
Title: Trade-offs between plump collimation and axial thrust in a cusped field thruster with modified exit magnetic topology
Authors: Yueh-Heng Li*, Tzu-Ting Lei, Ta-Yen Huang
Rank: 11.9% (7/59), SCI, ENGINEERING: AEROSPACE, 2025.
Citation number: 0 (Web of Science, 2026-10-23)
Abstract: 本研究探討出口磁場拓撲對尖點場推進器（CFT）放電、羽流與推力的影響，比較傳統三層與改良四層磁場配置。三層配置分離面傾斜，形成發散角較大的雙峰羽流；四層配置強化出口尖點磁場，使分離面更垂直。三維COMSOL模擬與磁探針量測吻合。輸入功率160–220 W下，四層設計改善羽流中心填充，總離子束電流由0.742 A增至0.945 A，但大角度離子通量增加，故軸向推力仍低於三層；縮放分析顯示其推力隨功率上升較陡，高功率下可望改善。
