Essays about: "technical acoustics"

Showing result 1 - 5 of 7 essays containing the words technical acoustics.

  1. 1. Improving the thermal climate of schools in semi-desert climate : A case study of solutions in La Guajira, Colombia

    University essay from Högskolan i Gävle/Energisystem och byggnadsteknik

    Author : Michael Johansson; [2023]
    Keywords : Solar chimney; Thermal comfort; Classrooms; School; La Guajira; Colombia;

    Abstract : As the climate changes, hot regions like La Guajira's semi-desert will become even hotter. It is projected that the average temperature in this region will increase by 2.4 ℃ over the course of this century, with a 20 % reduction in precipitation. READ MORE

  3. 2. A Numerical Approach for Wind Tunnel Noise Control

    University essay from KTH/Marcus Wallenberg Laboratoriet MWL

    Author : Hampus Dall; Robert Palm; [2021]
    Keywords : Technical Acoustics; ANC; Active Noise Control; Superposition; Wind Tunnel; Wingsuit; Indoor Wingsuit; Higher Order Modal Acoustic Field Beyond Plane Wave Region; Numerical Acoustic Simulations; Teknisk Akustik; Aktiv Brusreducering; Superposition; Vindtunnel; Flygning med ekorrdräkt inomhus; Högre ordningens akustisk modanalys bortom planvågsteori; Numeriska akustiska simuleringar;

    Abstract : A wind tunnel from the 1950s located in Bromma, Stockholm, once used for military research is today used for commercial activities. Today the tunnel is used for indoor wingsuit flight and the facility has an interest in reducing the overall noise generated by the tunnel. Acoustic measurements indicate noise problems in the 50 Hz range. READ MORE

  4. 3. Assessing indoor environmental quality and occupant comfort in modern wood buildings with post-occupancy evaluation and building performance simulation

    University essay from Lunds universitet/Avdelningen för Energi och byggnadsdesign; Lunds universitet/Institutionen för arkitektur och byggd miljö

    Author : Henriikka Taipale; [2021]
    Keywords : Climate change; Post-occupancy evaluation; Building performance simulation; Residential; Wood buildings; Engineered wood products; Indoor environmental quality; Thermal comfort; Indoor air quality; Acoustics; Visual comfort; Case study; Denmark; Technology and Engineering;

    Abstract : The European building sector is a source of significant negative environmental impacts, and large part of its carbon emissions can be attributed to heating, cooling and lighting of buildings – in other words, regulating buildings’ indoor environments. As people spend most of their lives indoors, there is a great challenge to create comfortable indoor environments, while also striving for further energy-efficiency and lower environmental impact. READ MORE

  5. 4. Enhancing the perceived quality of a dishwasher through user-centered design

    University essay from KTH/Maskinkonstruktion (Inst.)

    Author : Anna Delin; [2013]
    Keywords : ;

    Abstract : Detta examensarbete har utförts med syfte att identifiera och specificera parametrar som förbättrar den upplevda kvaliteten hos en diskmaskin. Projektet har genomförts på avdelningen för primärutveckling av diskmaskiner på Electrolux i Stockholm under 2012/2013. READ MORE

  6. 5. Electromagnetic Noise from Permanent Magnet Motors

    University essay from KTH/Farkost och flyg

    Author : Sajan Varghese; [2013]
    Keywords : ;

    Abstract : With today’s increase in rail traffic the impact of noise on the people near railway lines is increasing. To control this problem European Union regulations, including TSI (Technical Specifications for Interoperability) Noise, has come into force by implementing many strict norms on new railway vehicles put on the market. READ MORE