Essays about: "acoustical simulation"

Found 5 essays containing the words acoustical simulation.

  1. 1. Variable acoustics in multi-functional stadiums

    University essay from KTH/Teknisk akustik

    Author : Felix Vernersson; [2022]
    Keywords : Variable acoustics; Reflections; Gain; Reverberation; Clarity; Frequency masking; Perception of reflected sounds; Variabel akustik; Reflektioner; Rumsförstärkning; Efterklang; Klarhet; Frekvensmaskering; Uppfattning av reflekterade ljud;

    Abstract : This paper handles the background theory, methods and results of the master thesis project titled "Variable acoustics in multi-functional stadiums". \\ The purpose of the project was to investigate whether variable room acoustics could be applicable to large multi-functional stadiums to improve their ability to adapt the soundscape in the stadium for different types of events. READ MORE

  3. 2. Duct mode evaluation for traction motor outlets

    University essay from KTH/Marcus Wallenberg Laboratoriet MWL

    Author : Michail Vourakis; [2020]
    Keywords : ;

    Abstract : This study investigates duct mode propagation at outlets of traction motors, featuring an open fan air-cooled architecture. Both acoustical measurements and simulations are employed. Measurements are performed for two duct outlet geometries, a radial and a non-radial outlet, both combined with an equidistant and a non-equidistant blade fan. READ MORE

  4. 3. Modeling and Compensation of Nonlinear Distortion in High Efficient Electrodynamic Loudspeakers

    University essay from Luleå tekniska universitet/Signaler och system

    Author : Caroline Holmström; [2020]
    Keywords : ;

    Abstract : Loudspeakers transform electrical energy into acoustic waves but most of the electrical energy is lost as heat. It is possible to increase the electro-acoustic efficiency by changing the electrical, mechanical or acoustical design of the loudspeaker but with these changes come unwanted side effects. READ MORE

  5. 4. The Acoustics of Stockholm Concert Hall and Artificial Reverberation Systems : Evaluation of Stora salen and simulation of its electronic reverberation system

    University essay from KTH/Tal, musik och hörsel, TMH

    Author : Christoffer Carlsson; [2015]
    Keywords : artificial reverberation system ARS ; acoustical measurements; concert hall acoustics; acoustical simulation;

    Abstract : This master thesis examines the effects on the acoustical properties of a concert hall caused by an artificial reverberation system (ARS) and the possibility of simulating these properties. By examining the case of the Stockholm Concert Hall, which recently installed such a system, a greater understanding of the ARS will be gained and additional improvements of simulating such systems will be explored. READ MORE

  6. 5. Analysis and design of a semi-active muffler

    University essay from KTH/MWL Marcus Wallenberg Laboratoriet

    Author : Petter Svanberg; [2012]
    Keywords : ;

    Abstract : In this work, a flow reversal resonator fitted with a short-circuit duct connecting the inlet and outlet is analysed and used as a tuneable muffler element, aimed to be used use in a semi-active muffler on an IC-engine. The work done can be divided into 3 main parts. READ MORE