Investigating the thermophysical properties of airless bodies in our solar system
Investigating the thermophysical properties of airless bodies in our solar system
批准号:
2889688
负责人:
金额:
$0.0万
依托单位:
依托单位国家:
英国
项目类别:
Studentship
财政年份:
2023
资助国家:
英国
项目状态:
未结题
起止时间:
2023 至 --
中文摘要
邓肯的工作重点是通过遥感更好地了解外太阳系冰冷世界的表面。这一领域的研究是一个特别令人兴奋的领域,因为目前有两个任务正在前往木卫二(木星的活跃卫星),而返回土卫二(土星的活跃卫星)的任务正在开发中。邓肯的项目分为两个主题,这两个主题与这两个世界有关。因此,在未来,他将很好地继续研究它们。第一个主题是建立一个新的冰表面导热热流模型。该模型将采用羽流物质凝结释放的预测潜热,并确定热特征将延伸到地下的程度。它还将确定当羽流停止时热特征如何减弱。该模型的目标是预测木卫二羽流的热特征,以确定如何用遥感仪器(特别是欧罗巴快船上的E-THEMIS,以及Juice上的亚毫米仪器)最好地观察它们。导热热流模型确实存在。然而,它们并没有被应用于协助欧罗巴快船的观测策略。这项研究的影响将是双重的,首先是通过Howett博士对欧罗巴快船(E-THEMIS Co-I)的参与,它将直接提供给仪器团队,以影响他们的观察策略。第二个是对科学界的更广泛的好处,它将与了解木卫二的表面和活动直接相关。第二部分是开发新的仪器来研究冰冷世界的表面,特别是为未来的土卫二任务开发一种新的过滤器。AOPP的仪器团队目前正在为NASA的新边疆任务设计三种不同的仪器。每个任务都有一个略有不同的科学目标,因此需要针对其目标优化过滤器配置文件。为即将到来的任务开发新的过滤器配置文件是一项完全新颖的工作。这项工作将直接影响拟议热仪器的拟议构建轮廓。如果其中一个被选中,它将引导过滤器流向土卫二。他正在与牛津大学尼尔·鲍尔斯教授的仪器开发小组以及美国宇航局喷气推进实验室的南丁格尔任务小组合作。在未来,他可能会与木卫二快船E-THEMIS团队和木卫二快船羽流焦点小组合作。
英文摘要
Duncan's work is focused upon better understanding the surfaces of icy worlds in the outer solar system through remote sensing. This area of research is a particularly exciting one, as two missions are currently en route to Europa (Jupiter's active moon) and missions are in development to return to Enceladus (Saturn's active moon). Duncan's project is broken into two themes, which are relevant to these two worlds. So in the future he would be well positioned to continue to study them. The first theme is to develop a new thermal conductive heat flow model for icy surfaces. This model will take the predicted latent heat released from condensation of plume material and determine how far the thermal signature will extend into the sub-surface. It will also determine how the thermal signature decreases when the plume ceases. The goal of the model is to predict the thermal signature of Europa's plumes, to determine how to best observe them with remote sensing instrumentation (specifically E-THEMIS on Europa Clipper, but also to the sub-mm instrument on Juice). Thermal conductive heat flow models do exist. However, they have not been applied to assisting with an observing strategy for Europa Clipper. The impact of this study will be two-fold, the first is that through Dr. Howett's involvement in Europa Clipper (E-THEMIS Co-I) it will be directly fed into the instrument team to influence their observing strategy. The second is a wider benefit to the science community, it will be directly relevant to understanding Europa's surface and activity. The second part is to work on developing new instrumentation to study the surfaces of icy worlds, specifically to develop a new filter profile for future missions to Enceladus. The instrumentation team in AOPP are currently working on three different instrumentation designs for proposals for NASA's New Frontiers Mission. Each mission has a slightly different science goal, and thus requires filter profiles optimised for their goals. Developing a new filter profile for an upcoming mission is completely novel work. This work will directly impact the proposed build profile of the proposed thermal instruments. Should one of them be selected it would guide the filter profile flow to Enceladus. He is working with Prof. Neil Bowles' instrument development group at the University of Oxford, and the Nightingale Mission Team at NASA's Jet Propulsion Laboratory. In the future he is likely going to work with the Europa Clipper E-THEMIS team, and the Europa Clipper Plumes Focus Group.
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