Essays about: "Ventilation"

Showing result 1 - 5 of 415 essays containing the word Ventilation.

  1. 1. The Relationship Between Environmental Policy Stringency and Trade Flows

    University essay from Handelshögskolan i Stockholm/Institutionen för nationalekonomi

    Author : Philip Lindersten; Zeshan Shiekh; [2023]
    Keywords : Environmental policy stringency; Trade flows; Competitiveness hypothesis; Porter hypothesis;

    Abstract : Ceteris paribus, it is unclear whether a more stringent environmental policy increases or decreases a country's competitiveness. Two hypotheses have been formulated in this decade-long debate: the competitiveness hypothesis - stating that a more stringent environmental policy decreases competitiveness, and the Porter Hypothesis, claiming the opposite. READ MORE

  3. 2. Computational Analysis of Spray Deflector Designs

    University essay from KTH/Lättkonstruktioner, marina system, flyg- och rymdteknik, rörelsemekanik

    Author : Osman Gyokhan Ali; [2023]
    Keywords : Planing Hulls; Spray Deflector; Hull Modification; Computational fluid dynamics CFD ; resistance; trim angle; heave; CD-adapco Star CCM ; Numerical Ventilation; Phase Replacement; Modified HRIC Scheme; Volume Fraction Source Term; Reynolds averaged Navier-Stokes RANS ; Volume of Fluid VOF ; SST K-Omega Turbulence Modelling; Höghastighetshantverk; modelldesign; spraydeflektor;

    Abstract : Planing hull is a common hull design concept which decreases the resistance while speed is increasing for a specific speed range. It is also suitable for hull modifications to achieve higher efficiency. Spray deflector is a promising hull modification which offers extra resistance decreasing and less vertical acceleration for planing hulls. READ MORE

  4. 3. Simulations and modeling of light propagation in biological tissue

    University essay from Lunds universitet/Förbränningsfysik; Lunds universitet/Fysiska institutionen; Lunds universitet/Lunds Tekniska Högskola

    Author : Emma Hjörneby; [2023]
    Keywords : Technology and Engineering;

    Abstract : The GASMAS technique has previously proven useful for examining and measuring the oxygen concentration in the lungs of preterm infants. GASMAS can distinguish absorption by one gas from the bulk absorption of the surrounding media, and can provide an instant, non-invasive and non-destructive way of examining lungs, and diagnosing dangerous conditions such as pneumothorax. READ MORE

  5. 4. Physics-Enhanced Machine Learning for Energy Systems

    University essay from Lunds universitet/Institutionen för reglerteknik

    Author : Henrik Lindström; Emil Sundström; [2022]
    Keywords : Technology and Engineering;

    Abstract : Building operations account for a large amount of energy usage and the HVAC (Heating, Ventilation and Air Conditioning) systems are the largest consumer of energy in this sector. To reduce this demand, more energy-efficient control algorithms are implemented and a popular choice for a controller is the model predictive control. READ MORE

  6. 5. Thermal Comfort, CO2 and Humidity Levels in Library Student Rooms at the University of Gävle : Experimental and Numerical Study

    University essay from Högskolan i Gävle/Energisystem och byggnadsteknik

    Author : Ibai Elosua Ansa; [2022]
    Keywords : Ventilation rate; air renewal; CO2 level; relative humidity; indoor temperature; sensors;

    Abstract : Human performance and health are one of the most relevant topics in modern society. Especially at young ages, when academic performance is indispensable. Thus, as the human being spends most of its lifetime inside a building, thermal comfort has become an essential aspect of a room. READ MORE