報告題目🤸🏽‍♀️：Visualizing planetary core formation

報 告 人： Dr. Yingwei Fei (費英偉)

Professor, Geophysical Laboratory, Carnegie Institution of Washington, USA &Yangtze River Scholars Chair Professor, Peking University

報告時間💂🏽‍♂️：4月11日 上午 10⛑：00-11:00

報告地點💂🏿‍♂️：閔行校區生物藥學樓2號樓116會議室

聯 系 人：魏冬青 教授   This e-mail address is being protected from spambots. You need JavaScript enabled to view it.

報告內容摘要

Terrestrial planet formation starts with small dust grains and ends with differentiated bodies like the Earth with a metallic core. The central question to be address is how the metal migrated to the center of the planet. Planet differentiation could proceed through efficient liquid-liquid separation or by percolation of liquid metal in a solid silicate matrix, depending on the size and interior temperature of the planetary bodies. In the laboratory, I simulate the processes by conducting high-pressure and temperature experiments under the conditions of planet formation. Using a newly developed imaging technique, we can visualize the process by monitoring the migration of the metal that forms the core in three dimensions (3D). The new imaging technique provides a powerful tool to precisely determine the critical parameters needed for theoretical modeling and paves the way for researchers to explore planetary core formation processes through experimental simulation combined with visualization.

報告人簡介

費英偉(Yingwei Fei), 博士，國際頂尖級的高壓和實驗地球化學家。1982年畢業於浙江大學👨🏿‍✈️，1989 年在紐約城市大學獲博士學位🌰。現任美國華盛頓卡內基研究院地球物理實驗室高級研究員（終身教授）🧍‍♂️🧎‍♂️‍➡️，美國地球物理學會AGU會士👨🏻‍🎤，浙江大學客座教授。已經發表高水平學術論文140多篇🤸🏼‍♂️，其中在Science👩🏽‍🦱、Nature上發表論文10篇。美國地球深部碳循環項目（Sloan Foundation on DEEP CARBON CYCLE Project，總投入2500萬美元）的主要發起人和學術組織者之一👴🏼。研究領域包括👳🏿‍♀️：高壓實驗地球化學、巖石學、礦物物理學；高壓地球和行星科學🧑🏽‍🍳。