The eruption of low viscosity magmas (≲ 1,000 Pa s) is the most frequent and volumetrically abundant form of volcanism on Earth and on other planets and satellites. Explosive eruption of these magmas (i.e. episodes or events that produce fragments termed pyroclasts) commonly occurs by lava fountaining and is indicative of magmas spanning a wide range of melt compositions including komatiite, basalt, alkaline mafic melts and carbonatite. Fountains show a great diversity in height and are typically 100’s m but can reach heights of ~1 km. The Unravelling the Internal Dynamics of Lava Fountains programme is offered by University of Liverpool .
During fountaining, hot pyroclasts, originally formed by fluid dynamic induced breakup of the parent magma, are cooled by forced convection and radiative heat loss. Depending on the efficiency of cooling with respect to other timescales (e.g., transport, relaxation), a wide array of deposit textures can be formed. Clasts may be deposited hot, above their glass transition temperature, forming spatter mounds, ramparts and potentially rheomorphic lava flows. In contrast, clasts may be deposited cold, producing tephra cones and laterally extensive tephra blankets. Thus, the deposit type and clast textures formed can ‘forensically’ provide information about the fountain dynamics and the physical properties of the melt.
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Programme StructureProject methods:
- Analogue experiments. Scaled laboratory experiments on analogue materials offer a way to systematically isolate variables and observe and quantify volcanologically relevant processes. In this PhD, at UoL, a controlled gas/air flow will be fed into a column of analogue magma.
- Thermal modelling. Building on Lin’s existing modelling infrastructure at NTHU, commonly used to address heat transfer problems in turbulent flows, a pyroclast cooling model that accounts for non-spherical morphologies will be developed.
- Textural analysis of natural samples. Close to the NTHU campus lies the active Tatun Volcanic Group. Of particular interest here is Mt. Hunglu – a basaltic volcano with a range of lava fountain deposits. Jones and the PhD student will travel to Mt. Hunglu to study these deposits in the field. Samples from the deposits will be texturally analysed at UoL to uncover their thermal history.
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- 48 months
Start dates & application deadlines
- Apply before
DisciplinesPhysics Mechanical Engineering General Engineering & Technology View 19 other PhDs in Mechanical Engineering in United Kingdom
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We are not aware of any academic requirements for this programme.
We are not aware of any English requirements for this programme.
- This project is open to students worldwide and is part of a 4-year Dual PhD degree programme between the National Tsing Hua University (NTHU) in Taiwan and the University of Liverpool (UoL) in England. As Part of the NTHU-UoL Dual PhD Award students are in the unique position of being able to gain 2 PhD awards at the end of their degree from two internationally recognised world leading universities.
- As well as benefiting from a rich cultural experience, students can draw on large scale national facilities of both countries and create a worldwide network of contacts across two continents. It is planned that students will spend 1.5 years at the University of Liverpool, followed by 1.5 years at NTHU, before returning for the final year at UoL.
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International18450 GBP/yearTuition FeeBased on the tuition of 18450 GBP per year during 48 months.
National4500 GBP/yearTuition FeeBased on the tuition of 4500 GBP per year during 48 months.
Both the University of Liverpool and NTHU have agreed to waive the tuition fees for the duration of the project and stipend of TWD 11,000/month will be provided as a contribution to living costs (the equivalent of £280 per month when in Liverpool).
Living costs for Liverpool
The living costs include the total expenses per month, covering accommodation, public transportation, utilities (electricity, internet), books and groceries.
Studyportals Tip: Students can search online for independent or external scholarships that can help fund their studies. Check the scholarships to see whether you are eligible to apply. Many scholarships are either merit-based or needs-based.
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Apply and win up to €10000 to cover your tuition fees.