當我們的知識之圓擴大之時，我們所面臨的未知的圓周也一樣。
— 愛因斯坦
別走在我前面，我無意追隨
別走在我身後，我不善於領導
就與我並肩同行當我的朋友吧！
— 阿爾貝 卡繆
職稱：國立成功大學航空太空工程研究所 教授
學歷：國立成功大學航太系 博士
專長及研究領域：潔淨燃燒科技、雷射診測、熱光電動力系統、電漿推進、電能式推進系統、能源系統分析
榮譽及獎勵：
2016年─ 獲科技部吳大猷先生紀念獎。
2013年─ 獲國科會博士後研究人員學術著作獎。
2010年─ 獲第八屆亞太燃燒研討會優秀青年學者。
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這是成大航太系 李約亨教授研究團隊所設計的離子推進器暨中空陰極(中和器)系統，影片呈現從中空陰極提供電子將離子主推進器點燃後，電子再用於中和主推進器的電漿團，呈現離子推進系統從點火到穩定運作的過程。
This is the ion thruster and hollow cathode (neutralizer) system designed by Professor Li Yueh-Heng's research team from the Department of Aeronautics and Astronautics at National Cheng Kung University, Taiwan. The video demonstrates the process from ignition to stable operation of the ion propulsion system. It shows how electrons supplied from the hollow cathode ignite the main ion thruster, and then the electrons are used to neutralize the plasma plume of the main thruster.
這是ZAPLab研究團隊博士班學生 黃丙翰設計的真空陰極電弧推進系統，此系統特色為陰極除了當作電極之外，同時也當做推進劑燃料使用，本推進系統的放電頻率可以調整，最高可達到20 Hz。
This vacuum cathode arc thrust system was designed by Ph.D. student Ping-Han Huang from our ZAPlab team. The distinctive feature of this system is that the cathode serves not only as an electrode but also as propellant fuel. The discharge frequency of this propulsion system is adjustable, with a maximum frequency of up to 20 Hz.
這是ZAPLab研究團隊劉勝文博士生所提出新式脈衝電漿推進器，用真空陰極電弧的原理設計點火系統，取代傳統火星塞點火器，解決長時電點火後，火星塞因為碳累積所造成點火器短路的問題。
This is a new type of pulsed plasma thruster proposed by Dr. Sheng-Wen Liu, a Ph.D. student in the ZAPLab research team. The ignition system is designed based on the principle of vacuum cathode arc, replacing the traditional spark plug igniter. This solves the problem of igniter short circuits caused by carbon buildup in the spark plug after long-term electric ignition.
這是成大李約亨教授研究團隊(王彥儒、林伯鴻、李苑萱等人)設計與測試的純鐵/空氣燃燒系統，首先使用甲烷母火進行點燃，待鐵/空氣燃燒穩定後，可以關閉甲烷母火，實現零碳排放之燃燒系統。純鐵燃燒的優點是燃燒產物為固態氧化鐵，可以在後端回收，結合再生能源或氫進行還原，還原鐵可以再次燃燒使用。鐵的絕熱火焰溫度與煤碳相仿，所以燃燒系統無須進行大規模的修改。
This is a pure iron/air combustion system designed and tested by Professor Li Yueh-Heng's research team at National Cheng Kung University (including Yan-Ru Wang, Po-Hong Lin, Yuan-Syuan Li, and others). Initially, methane is used for ignition. Once the iron/air combustion is stable, the methane flame can be turned off, achieving a zero-carbon emission combustion system. The advantage of burning pure iron is that the combustion product is solid iron oxide, which can be recovered and reduced using renewable energy or hydrogen. The reduced iron can then be reused for combustion. The adiabatic flame temperature of iron is similar to that of coal, so the combustion system does not require large-scale modifications.