Stefan Max Schoenwald: Catalogue data in Spring Semester 2020

Name Dr. Stefan Max Schoenwald
EMPA Materials Science Technology
Überlandstrasse 129
8600 Dübendorf

066-0420-00LIndoor Environment, Resources and Safety3 credits3GA. Frangi, T. Larsen, S. M. Schoenwald
AbstractPrinciples of Building Acoustics, Water and Fire safety
ObjectiveBuilding Acoustics
- Fundamentals of sound: Sound waves, Sound sources and free field sound propagation, Sound descriptors and sound levels
- Sound fields in rooms: Reflection and absorption at boundaries, Diffuse sound fields (reverberation time), Room modes
- Airborne sound transmission through building elements I: Homogenous structures: Monolithic elements, Double leaf elements (walls, windows, ), Linings, toppings and additional layers
- Airborne sound transmission through building elements II: Assembled (lightweight) structures: Double leaf framed elements
- Impact sound transmission through building elements: Impact sources, Floor elements and floor toppings, Introduction structure-borne sound and vibration
- Sound transmission in buildings I: Composite elements, Flanking sound transmission I: Concept of flanking, Monolithic buildings
- Sound transmission in buildings II: Flanking sound transmission II: Lightweight framed buildings, Outline prediction methods, Noise from building systems and installations
- Measurement, Descriptors and Regulations: Standardized measurement techniques and protocols

- water supply: water needs, possible resources, quality requirements for different applications and possible treatment processes
- water distribution: requirements for storage and piping
- wastewater: different type: urine, feces, blackwater, light and heavy greywater, rain water, treatment possibilities, hygienic and comfort requirements
- water cycles
- wastewater as a resource: polishing water, nutrients, energy
- integral solutions off the grid
- water as part of the urban environment and for recreational purposes in cities
- examples

Fire and Safety
- Fire safety objectives and regulations
- Fire safety concepts and measures
- Fire statistics
- Human behavior and escape
- Structural fire safety
- Technical fire safety
- Organizational fire safety
- Risk and probabilistic
- Economy of fire safety measures
151-0232-00LEngineering Acoustics II4 credits3GN. Noiray, S. M. Schoenwald, B. Van Damme, A. Zemp
AbstractThis course presents the application of fundamental elements in engineering acoustics. It consists of three parts: elastic wave propagation in fluids and solids (including nonlinear, anisotropic and complex materials), sound radiation and transmission in structures, and aero- and thermo-acoustic sources and instabilities.
ObjectiveApplication of the basic concepts of engineering acoustics: acoustic absorption, solid wave propagation, acoustic transmission and sound radiation by reacting and non-reacting flows in complex engineering systems that are relevant to noise control practice. We cover the broad field of modelling, analysis, design and testing of flows, materials and structures with the aim of developing systems which exhibit the targeted acoustical behavior.
ContentWave Attenuation, Vibration Damping, Acoustic Absorption, Sound Transmission, Radiation, Broadband and Tonal Aeroacoustic Noise, Active and Passive Control of Thermoacoustic Instabilities.
Lecture notesDownload during semester.
LiteratureLiterature is given in course material.
Prerequisites / NoticeRequired: Fundamentals of Mechanics and Dynamics / Recommended: Engineering Acoustics I.