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Master Thesis: H2 Gas Compressor Modeling for H2 HPDI Engines

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Thesis: H2 Gas Compressor Modeling for H2 HPDI Engines

Position description:
Background
Heavy duty road transport is in a transition phase towards CO2 neutrality. One promising carbon free energy carrier is hydrogen and an internal combustion engine is one technique for converting the chemical energy in hydrogen to mechanical work.

Content
Your study should answer some or all of the following questions, depending on the complexity of the tasks:
  • How much work will it take to compress gaseous H2 up to the required HPDI injection pressures? What is the optimum injection pressure in terms of compression work versus thermodynamic efficiency?
  • What are the effects of the minimum allowed fuel tank level / pressure, driving cycle, compressor type?
  • How much compression work can be recovered in the form of piston work and/or fuel tank pressure?
  • How does the performance of the entire powertrain system get affected by the choice of the compressor and its operating conditions?
Initially a literature study should be conducted in order to gain information and experience from previous work. Then, the H2 engine and fuel compressor data should be investigated to decide on the modelling strategy. Finally, a model in GT-Power / Matlab / Python (or equivalent) should be implemented to answer the above questions.

Suitable Background
Candidates should be in their final year of Master studies and preferably in the faculties of Mechanics, Applied Physics or computer science. An interest in aerodynamics and vehicles combined with good analytical skills and excellent understanding of physics is a good background. Basic knowledge of internal combustion engines is a plus. Relevant courses include but are not limited to: Combustion physics, Programming, Thermodynamics, Numerical analysis, Computational fluid dynamics.

For any further details please contact
Rafig Babayev, Simulation Engineer, tel +46 739020523
Magnus Brogeby, Group Manager, tel +46 76 5533384

Thesis level: Master
Language: English
Starting date: September 2022
Number of students: 1

The Volvo Group drives prosperity through transport solutions, offering trucks, buses, construction equipment, power solutions for marine and industrial applications, financing and services that increase our customers’ uptime and productivity. Founded in 1927, the Volvo Group is committed to shaping the future landscape of sustainable transport and infrastructure solutions. Countless career opportunities are offered across the group’s leading brands and entities that share a culture of Trust, Passion, High Performance, Change and Customer Success. 
www.volvogroup.com/career. 

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