Course detail

Acoustics and Daylighting

FAST-BH057Acad. year: 2024/2025

The course presents the fundamentals in room acoustics and daylighting in buildings. Knowledge of this subject will be practically used for the following study - in seminars, projects, master degree projects.

Language of instruction

Czech, English

Number of ECTS credits

Mode of study

Not applicable.

Guarantor

prof. Ing. Jitka Mohelníková, Ph.D.

Department

Institute of Building Structures (PST)

Entry knowledge

Fundamentals in building constructions, fundamentals in physics, Acoustics and Optics.

Rules for evaluation and completion of the course

Final evaluation on basis of consulted and completed reports and passed exam. Classification according to ECTS degree at the BUT Brno.


Extent and forms are specified by guarantor’s regulation updated for every academic year.

Aims

Fundamentals in room acoustics, determination of air-borne and impact sound insulation index for building constructions, design of rooms and their interiors with respect to reverberation time, determination of requirements for indoor acoustic comfort and design of building protection against exterior noise.
Methods for the evaluation of visual comfort in buildings, daylighting and insolation of buildings.

Reports of building acoustics and daylighting and insolation tasks.

Tasks from reports will be applicable in study projects.

Study aids

Not applicable.

Prerequisites and corequisites

Not applicable.

Basic literature

Not applicable.

Recommended reading

Not applicable.

Type of course unit

 

Lecture

26 hod., optionally

Teacher / Lecturer

prof. Ing. Jitka Mohelníková, Ph.D.

Syllabus

Acoustics 1. Sound waves, sound field. Acoustics and physiology, basic notions, sound levels and loudness. 2. Sound measurement, frequency band, frequency band analysis, noise report, hygienic limits. 3. Urban acoustics, noise attenuation. 4. Room acoustics, diffuse sound field, sound field. 5. Absorptive constructions, membranes and oscillating plates, Helmholtz resonators. 6. Sound insulation, rating of air-born and structure-born sound insulation. 7. Air-born sound insulation, Watter’s method. 8. Impact sound insulation of building constructions. Daylighting 9. Solar radiation, insolation, requirements for insolation. 10. Light and photometry. Methods of evaluation of daylighting in buildings, Daniljuk’s nomograms. 11. Waldram’s diagram, BRS nomograms, average daylight factor. 12. Daylight simulation software. 13. Summary, importance of acoustics, daylighting and insolation for building design.

Exercise

26 hod., compulsory

Teacher / Lecturer

prof. Ing. Jitka Mohelníková, Ph.D.

Syllabus

Acoustics 1. Introduction, sound waves, octave bands, frequences. 2. Sound pressure, power and intensity levels. 3. Equivalent noise level, noise histogram. 4. Noise reduction due to distance, green bushes and walls. 5. Noise reduction due to wide barrier. 6. Reverberation time of a room. Recommendations for the room finishings because of the reverberation time reduction. 7. Air-borne sound insulation of a building construction. 8. Sound reduction index of a simple wall determined according to the Watter’s method. 9. Impact-sound insulation of a building construction. Daylighting 10. Assessment of a building insolation, shading diagram. 11. Evaluation of a room daylighting with Daniljuk’s nomograms. 12. Daylight simulation in software WDLS. 13. Preliminary report of noise, insolation and daylight conditions in a selected building.