PhD candidate on Heat and Mass transfer in heat batteries
Technische Universiteit Eindhoven
Eindhoven, Netherlands
1 dag geleden

Job description

The built environment is responsible for about 40% of primary energy use and 33% of greenhouse gas emission in Europe. Typically, 70% of the energy demand is in the form of thermal energy used for space heating and hot tap water.

Heat can directly be harvested from the sun by means of rooftop solar collectors. Although the total amount of energy harvested on a yearly basis may be sufficient, there is a mismatch between the moments of max energy production (summer) and consumption (winter).

This also holds for rooftop PV panels, where conventional batteries are used for short-term storage of peak production.

The aim of this project is to design and construct a heat battery. A heat battery can store heat for long periods of time in Thermo-Chemical materials, thereby turning peak heat (from solar collectors or heat pumps driven by peak electricity) into reversible structural material changes that allow extraction of the heat in a later stage.

Compared to electrical batteries, Thermo-Chemical heat batteries have higher energy densities, making them ideally suited for compact systems in buildings.

Your task is to investigate the mass and heat transfer in TCM particle beds under variable humidity. With MRI (Magnetic Resonance Imaging) and X-Ray Computer Tomography (CT) the evolution of the humidity distribution and local porosity of a hydrating particle bed will be monitored.

Modelling will be performed with Darcy flow equations in combination with reaction enthalpy and heat transfer. The aim is to maximize the energy density of the particle bed by selecting the best particle sizes and packings, optimize the bed for high power extraction, and minimize flow pressure losses.

Job requirements

  • You should have an MSc Degree (or an equivalent university degree) in a relevant field of engineering (civil, mechanical, hydro) with a drive for practical solutions.
  • A research oriented attitude.
  • Ability to work in a team and
  • Fluent in spoken and written English.
  • Conditions of employment

  • A meaningful job in a dynamic and ambitious university with the possibility to present your work at international conferences.
  • A full-time employment for four years, with an intermediate evaluation after one year.
  • To support you during your PhD and to prepare you for the rest of your career, you will have free access to a personal development program for PhD students (PROOF program).
  • A gross monthly salary and benefits in accordance with the Collective Labor Agreement for Dutch Universities.
  • Additionally, an annual holiday allowance of 8% of the yearly salary, plus a year-end allowance of 8.3% of the annual salary.
  • A broad package of fringe benefits, including an excellent technical infrastructure, moving expenses, and savings schemes.
  • Family-friendly initiatives are in place, such as an international spouse program, and excellent on-campus children day care and sports facilities.
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