Course Details
Subject {L-T-P / C} : PA2904 : Acoustics and Illumination { 3-0-0 / 2}
Subject Nature : Theory
Coordinator : Prof. Binit Kumar
Syllabus
Module I
Basic theory of sound- frequency, wavelength, velocity, sound spectrum, sensitivity of hearing, inverse-square law, decibel, noise exposure limits, sound level meters, A-Weighted sound level, decibel scales for sound intensity, pressure and power Sound absorption- sound absorbing treatment, sound absorption coefficient, reverberation room, application of sound-absorbing materials, reverberation time, optimum reverberation time
Module II
Room acoustics- sight line basics, sight line layout, reflection, diffusion, diffraction, ray diagram graphics, echoes, echo control principles, flutter echo Sound isolation- mass law, effect of stiffness, sound leaks, noise reduction between rooms, STC contour, masking for sound isolation, noise criteria curves, room criteria curves, impact isolation, outdoor barrier for noise control, thin-wall barrier, balconies and overhangs, earth berms, attenuation from vegetation, temperature and wind effect, land use planning for noise control, orientation of buildings mechanical system noise- basic practice of vibration isolation, rubber mounts, noise source in ducts, fan room treatment, cross talk, air duct layout, isolation hangers speech privacy- speaker and listener orientation, annoyance, intruding speech, background noise, background noise spectra
Module III
Case-studies on auditorium, dwellings, office, worship places, music performance room, concert hall, etc.
Module IV
Basic concept in lighting, qualities of light sources, lamps, luminaires, lighting controls, quality of light, quantity of light, lighting design approach, lighting design in spaces like residential, work place, classroom, healthcare, retail, hospitality, common spaces, outdoor lighting design,
Module V
Basic principles of daylighting, and daylighting systems case-study on daylighting and illumination
Course Objectives
- To understand the basic building science related to acoustics and illumination inside the building and to able to apply the knowledge in architectural design projects
Course Outcomes
a) The broad education necessary to understand architecture in a global context – techno-economic, environmental, socio-cultural, and political <br />b) A recognition of the need for, and an ability to engage in, life-long learning <br />c) An ability to design and conduct inquiries, and to analyze and interpret data <br />d) An ability to use techniques, skills, and technology for architectural practice <br />e) An ability to apply knowledge of architecture <br />f) An ability to function on multidisciplinary teams
Essential Reading
- Egan, M. D., Architectural Acoustics, New Castle: J. Ross Publishing , 2008
- Karlen, M., Benya, J. R., and Spangler C., Lighting Design Basics, New Jersey: John Wiley and Sons , 2012
Supplementary Reading
- Long, M., Architectural Acoustics, Cambridge, MA: Elsevier Academic Press , 2014
- Rienstra, S.W., and Hirschberg A., An Introduction to Acoustics, Eindhoven : Eindhoven University of Technology