Recommended prerequisite for participation in
the module
The module adds to the knowledge obtained in Heat transfer;
Fundamentals of CFD; Combustion theory; Fluid mechanics.
Content, progress and pedagogy of the
module
Learning objectives
Knowledge
- Understand solid biomass feedstock: Fuel characterisation,
thermochemical conversion and the various sub-processes, heat and
mass transfer in biomass thermochemical conversion
- Understand radiation heat transfer without participating
medium: Fundamentals, view factors, surface resistance and space
resistance, network method
- Understand radiation heat transfer with participating medium:
Radiative properties of gas mixture, radiative transfer equation,
modelling of radiative heat transfer
- Have knowledge about biomass gasification and combustion on
particle scale: Time scale analysis, ignition mechanisms, reactions
of gasification, regimes of char reactions, modelling of biomass
particle conversion
- Have knowledge about biomass gasification on reactor scale:
Principles, key factors, types of gasifiers and their key
characteristics, gasifier design, success stories of biomass
gasification
- Have knowledge about suspension-firing of biomass: NOx control
by combustion, different arrangements of suspension-firing,
modelling of suspension-firing – overview and specific issues, case
studies
- Have knowledge about grate-firing of biomass: Key components in
grate boilers, breakthrough, potential problems and solutions,
modelling of grate-firing – general strategy and examples
Skills
- Be able to identify the appropriate utilisation technology for
a given biomass based on its properties
- Understand thermal radiation heat transfer, various
applications, and advanced modelling of radiation heat transfer
without and with participating medium
- Understand the mechanisms and the key issues in biomass
gasification and the modelling
- Understand the key sub-processes in biomass combustion and
various key biomass combustion technologies (their advantages and
disadvantages, and modelling strategies)
- Be able to developing key sub-models for biomass conversion and
implementing them into commercial CFD
Competences
- Have in-depth understanding of all the important issues in
biomass gasification and combustion, including combustion physics
(e.g., radiative heat transfer, turbulent flow) and combustion
chemistry (e.g., pyrolysis, homogeneous and heterogeneous
reactions)
- Be able to develop sub-models and codes for the key, special
processes in biomass gasification and combustion process and
ability to perform a reliable CFD of biomass gasifier and
combustor
Type of instruction
Lectures in combination with tutorials, assignments,
hands-on, and e-learning activities.
Extent and expected workload
Since it is a 5 ECTS course module, the work load is expected to
be 150 hours for the student.
Exam
Exams
Name of exam | Biomass Gasification, Combustion and their Advanced
Modelling |
Type of exam | Oral exam |
ECTS | 5 |
Assessment | 7-point grading scale |
Type of grading | Internal examination |
Criteria of assessment | The criteria of assessment are stated in the Examination
Policies and Procedures |