Sökning: "indoor air quality"

Visar resultat 1 - 5 av 90 uppsatser innehållade orden indoor air quality.

  1. 1. Experimental investigation of ventilation performance of corner placed stratum ventilation in an office environment

    Master-uppsats, Högskolan i Gävle/Energisystem och byggnadsteknik

    Författare :Gasper Choonya; [2019]
    Nyckelord :Stratum ventilation; local air change index; air change efficiency; ventilation effectiveness; draught rate; percentage dissatisfied; heat removal effectiveness;

    Sammanfattning : Energy use in buildings account for about one third of the total global energy supply and contributes as much as 30% of the anthropogenic greenhouse gas emissions. It is estimated that energy use in buildings will increase to 67% by 2030. LÄS MER

  2. 2. The Attractive Workplace : Are the Site Offices Meeting the Employees´Needs?

    Master-uppsats, KTH/Fastigheter och byggande; KTH/Fastigheter och byggande

    Författare :Anna Haegerstrand; Emelia Knutsson; [2019]
    Nyckelord :Attractive workplace; Indoor work environment; Site office; Physical parameters; Air quality; Noise; Temperature; Lighting; Attraktiv arbetsplats; Arbetsmiljö; Platskontor; Fysiska parametrar Luftkvalité; Ljud; Temperatur; Ljus;

    Sammanfattning : Previous research have shown a possible relationship between the indoor work environmentand the impact it has on the employees’ performance. Different factors can affect theperformance; physical parameters, such as ventilation and air quality, noise levels, thermalclimate, lighting and access to daylight, as well as the level of flexibility of the work, furnitureetc. LÄS MER

  3. 3. Energy use and energy saving in buildings and asthma, allergy and sick building syndrome (SBS): a literature review

    Magister-uppsats, Högskolan i Gävle/Energisystem och byggnadsteknik

    Författare :Chengju Wang; [2019]
    Nyckelord :;

    Sammanfattning : Energy use in buildings is an important contribution to global CO2 emissions and contributes to global warming. In recent years, there has been concern about creating energy efficiency buildings, green buildings and healthy buildings but this development needs guidance by multidisciplinary scientists and experts. LÄS MER

  4. 4. Life cycle assessment of a CAV, a VAV, and an ACB system in a modern Swedish office building

    Master-uppsats, Lunds universitet/Energi och ByggnadsDesign; Lunds universitet/Institutionen för arkitektur och byggd miljö

    Författare :Nadeen Hassan; [2019]
    Nyckelord :Life cycle assessment; Environmental impacts; HVAC systems; Environmental indicator; Energy; Environmental performance; Impact assessment; Life cycle impact; Buildings; SimaPRO; Ecoinvent; Manufacturing phase; Operation phase; Active chilled beams; Variable-air-volume system; Constant-air volume system.; Technology and Engineering; Earth and Environmental Sciences;

    Sammanfattning : Energy use in buildings contributes significantly to the global energy demand and environmental impacts. Among all building services, heating, ventilation, and air conditioning (HVAC) systems consume the most energy. HVAC systems are as well one of the largest consumers of natural resources and materials in the building sector. LÄS MER

  5. 5. A hybrid low - temperature heating system in geothermal retrofitting for public buildings in the Mediterranean climate

    Master-uppsats, KTH/Hållbar utveckling, miljövetenskap och teknik

    Författare :Boumediene Bizimana; [2019]
    Nyckelord :Hybrid low-temperature floor heating; Energy performance; Thermal comfort; Indoor air quality; Lågtemperaturgolvvärme; Energiprestanda; Termisk komfort; Inomhusluftkvalitet;

    Sammanfattning : More than 50 % of EU’s yearly energy demand is spent on heating and cooling systems with which most of its source is generated from non-renewable fossil fuel [1]. Furthermore, half of the EU buildings are heated with a non-efficient boiler of about 60% or less efficiency [1]. LÄS MER