Project

Helium-filled soap bubbles

Publisher

Supervisor

Location

Greater Copenhagen area

To use optical measurement techniques on large scale experiments, one needs to rethink the seeding. A well-known methods is the Helium-Filled Soap Bubbles (HFSB). The challenge when used with the PIV measurement technique is to produce very large amounts of bubbles and introduce them in the flow without disturbing the flow too much.

A great feature of the HFSB technic is that it allows the user to ‘by-eye’ see what is happing in the flow. This helps the understanding and is great for visualization of large scale flows.

The HFSB technic has recently been used with difference optics measurement technics to investigate the aerodynamics around e.g. Tom Dumoulin (pro-cyclist, winner of the GIRO17) and for optimization of car design.

This project will test different design strategies for creating HFSB. The objective is to make a nozzle design combining flows of helium, soap solution and possibly assisting air. One should be able to combine a large amount of nozzles to cover a larger inlet area to e.g. a wind tunnel test section.

Requirements

Course in fluid mechanics

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Contact

Company / Organization

DTU Mekanik

Name

Knud Erik Meyer

Position

Lektor

Mail

kem@mek.dtu.dk

Supervisor info

BSc in Mechanical Engineering

Supervisor

Knud Erik Meyer

Type

BSc project, MSc thesis

MSc in Engineering, Mechanical Engineering

Supervisor

Knud Erik Meyer

Type

BSc project, MSc thesis

Technical University of Denmark

For almost two centuries DTU, Technical University of Denmark, has been dedicated to fulfilling the vision of H.C. Ørsted – the father of electromagnetism – who founded the university in 1829 to develop and create value using the natural sciences and the technical sciences to benefit society.


Today, DTU is ranked as one of the foremost technical universities in Europe, continues to set new records in the number of publications, and persistently increases and develops our partnerships with industry, and assignments accomplished by DTU’s public sector consultancy.

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