Study PhD - Doctor of Philosophy in Sound and Vibration at The Hong Kong Polytechnic University in Hongkong, Faculty of Engineering

About this course

About this course
- Overview
- Department
Study options
Entry requirements
- International

What will I learn?

As one of the founding departments of the University in 1937, the Department of Mechanical Engineering has been at the forefront of the vast evolvement of its field.

The Department is proud of its international focus and active collaborations with overseas institutions. Its global connections open the minds and broaden the perspectives of the future generations to uncover knowledge that benefits mankind. The Department鈥檚 world-class faculty and internationally renowned programmes draw students from across the globe. The Department has also published numerous research reports in top-class international publications.

Specialisations

Acoustics: sound propagation, noise control, passive and active control; Vibration: modelling, control and vibration reduction of structures. Structural wave manipulations; Structural health monitoring: vibration and wave-based damage detection methods; Smart structures with embedding sensor technology; Fluid-structure-sound interaction
Vibroacoustics ; Environmental noise control; Fan and duct noise control; Sound source identification; Soundscape and sound quality of product
Nonlinear vibration control / isolation / suppression; Nonlinear vibration energy harvesting; Anti-vibration structures; Sensor design; Quasi-zero or zero stiffness; Nonlinear damping; Nonlinear dynamics
Low noise design for fans and turbomachinery; Metamaterial duct flow silencer; Urban and environmental noise simulation and control; CPX technology for tyre/road noise control; Product sound quality and design
Structural health monitoring (SHM); Wave propagation; Non-destructive evaluation (NDE); Sensor and sensor network; Smart materials and structures
Structural analysis; Vibration diagnostics; Vibration absorber design and optimization; Laser diagnostics; Laser interferometry
Thermally-induced vibration
Acoustic metamaterials; Acoustic metasurface; Physical acoustics; Ultrasound; Transducers

Course Structure:

Three years (for students admitted on the basis of a Master's degree with a significant research component);
Four years (for students admitted on the basis of a Master's degree or a Bachelor's degree).

Which department am I in?

Faculty of Engineering

Study options

Full Time (3 Years)

Tuition fees

HK$84,200.00 (US$ 10,829) per year

Annual tuition fee: HK $42,100 (UGC-funded students); HK $84,200 (Non-UGC-funded students)

*Price shown is for indicative purposes, please

Start date

September 2025

Venue

The Hong Kong Polytechnic University

ST305, 3/F, Ng Wing Hong Building,

Hung Hom,

Kowloon City, Hong Kong, Kowloon

Entry requirements

For international students

3-year full-time PhD programme

Normally hold an MPhil or equivalent (a research postgraduate degree with a dissertation as an award requirement) conferred by a recognised university.

4-year full-time PhD programme

Normally hold:

A Master鈥檚 degree; OR
A Bachelor鈥檚 degree with First Class Honours (or equivalent qualification), conferred by a recognised university.

PolyU may accept other equivalent qualifications. The decision is made on an individual basis.

English Language Requirements

The requirements for those who do not have a degree for which English was the language of instruction at a recognized university are:

An overall score of at least 6.5 in the International English Language Testing System (IELTS); OR

A Test of English as a Foreign Language (TOEFL) score of 80 or above for the Internet-based test or 550 or above for the paper-based test.

All English language test scores are considered valid for two years after the date of the test.

*There may be different IELTS requirements depending on your chosen course.