Sökning: "airflow behaviour"

Visar resultat 1 - 5 av 11 avhandlingar innehållade orden airflow behaviour.

  1. 1. Air diffusion and solid contaminant behaviour in room ventilation : a CFD based integrated approach

    Författare :Gery Einberg; Sture Holmberg; hazim Awbi; KTH; []
    Nyckelord :Technology; CFD modelling; airflow rate; ventilation efficiency; diffusers; solid contaminants; IAQ; TEKNIKVETENSKAP; TECHNOLOGY; TEKNIKVETENSKAP;

    Sammanfattning : One of the most fundamental human needs is fresh air. It has been estimated that people spend comparatively much time in indoor premises. That creates an elevated need for high-quality ventilation systems in buildings. The ventilation airflow rate is recognised as the main parameter for measuring the indoor air quality. LÄS MER

  3. 2. A new generation of hospital operating room ventilation

    Författare :Parastoo Sadeghian; Sasan Sadrizadeh; Catherine Noakes; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Ventilation systems; bacteria-carrying particles; airflow behaviour; operating room; computational fluid dynamics; surgical site infection; Ventilationssystem; bakteriebärande partiklar; luftflödesbeteende; operationsrum; numerisk strömningsmekanik; kirurgirelaterad infektion; Strömnings- och klimatteori; Fluid and Climate Theory;

    Sammanfattning : Surgical site infection is responsible for 38 percent of reported infections after surgery. This infection increases mortality and treatment costs, and prolongs the hospitalization of patients. LÄS MER

  4. 3. Efficient and environment-friendly combustion of biomass in bakery oven furnaces

    Författare :Fabiao Manhica; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; flow pattern; temperature profile; airflow; bread quality; Wood-fired bakery oven WFBO ;

    Sammanfattning : AbstractCombustion of biomass in small-scale furnaces is widely used in many countries and in different applications. Often, the technology used is fixed grate combustion in small batch furnaces. LÄS MER

  5. 4. Efficiency of a wood-fired bakery oven - Improvement by Theoretical and Practical

    Författare :Fabiao Manhica; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; flow pattern; temperature profile; airflow; CFD; Wood-fired bakery oven WFBO ; bread quality;

    Sammanfattning : Combustion of biomass in small-scale furnaces is widely used in many countries and in different applications. The technology used is often “fixed grate” combustion in small batch furnaces. LÄS MER

  7. 5. Breathing and phonation : effects of lung volume and breathing behaviour on voice function

    Författare :Jenny Iwarsson; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :Abduction; Adduction; Breathing; Flow glottogram; Inhalation; Lung volume; Perceptual analysis; Phonation; Posture; Speech lung volume; Speech task; Subglottal pressure; Tracheal pull; Vertical laryngeal position; Vocal fold nodules; Voice source;

    Sammanfattning : Respiration is believed to play a central role in voice function and is thus of relevance to the clinical care of the disordered voice. The overall aim of the present study was to experimentally investigate relationships between the respiratory and phonatory systems. LÄS MER