Essays about: "air permeability"

Showing result 1 - 5 of 19 essays containing the words air permeability.

  1. 1. Effect of mixing time and mixing rate on the evolution of powderproperties for binary adhesive mixtures

    University essay from Uppsala universitet/Institutionen för farmaceutisk biovetenskap

    Author : Noveen Muslih Sadullah; [2024]
    Keywords : Adhesive mixture; mixing time; mixing rate; Budesonide; Lactopress SD;

    Abstract : Dry powder inhalers (DPIs) are often used to deliver drugs to the lungs when treating respiratory diseases. Inhalation powders are often formulated as adhesive mixtures which is the main formulation type used for dry inhalation powders of pharmaceuticals. READ MORE

  3. 2. Developing a Test Method to Evaluate the Blackout Effect of Uncoated Curtains at Varying Angles

    University essay from Högskolan i Borås/Akademin för textil, teknik och ekonomi

    Author : Sara Muminovic; Christina Lindén; [2023]
    Keywords : Blackout effect; blackout curtain; uncoated woven curtains; angle interval; light transmission; light box; light diffuser; microscopic image analysis;

    Abstract : This study aimed to explore the integration of varying angles in small-scale measurements and assess the light transmission performance of uncoated curtains. A total of four curtains were evaluated: blackout curtain samples 1 and 2 had a weft satin structure, while daytime curtain samples 3 and 4 consisted of a twill structure. READ MORE

  4. 3. Digital Valve-Jet Printing of Chitosan Ink on Cotton Fabric for Antibacterial and Comfort Properties

    University essay from Högskolan i Borås/Akademin för textil, teknik och ekonomi

    Author : Media Haghi; [2023]
    Keywords : Chitosan; Digital printing; Valve-jet printing; ChromoJet printer; Antibacterial textile; cotton fabric;

    Abstract : Throughout history, the spread of microorganisms has caused much damage including infectious diseases and deaths. Ever since humans realized the impact of bacteria especially on population health many efforts have been done to combat the spread of pathogens. READ MORE

  5. 4. 3D Knit fabrics : optimizing spacer knit fabrics for comfort and breathability in infant products

    University essay from Högskolan i Borås/Akademin för textil, teknik och ekonomi

    Author : Julia Svensson; Hanna Halldorf; [2023]
    Keywords : Spacer fabric; knitting; warp knit; circular knit; textile testing; ProCad Warpknit; infant product; comfort; mechanical properties.;

    Abstract : In this study we looked into an existing textile baby stroller seat and investigated whether there can be any advantage in changing the material to a spacer fabric from perspectives such as functionality, comfort, and sustainability. The subject of 3D knitting, and advanced knitting is being researched more and more because of its versatility in producing and changing parameters of knitted high quality products, but there is a lack of studies done on comfort for children when it comes to knitted spacer fabrics and not many studies have been done on spacer fabrics used for baby seats in strollers or other types of seats for children. READ MORE

  6. 5. Evaluation of the Weather Resistance of Ram-Air Kites Used in Airborne Wind Energy Systems

    University essay from Högskolan i Borås/Akademin för textil, teknik och ekonomi

    Author : Johanna Désirée Ambs; [2023]
    Keywords : Weathering Resistance; Coated Textiles; Ram-air Kite; Airborne Wind Energy;

    Abstract : Airborne Wind Energy is an emerging technology that harnesses the power of the wind by using tethered wings. Among the flying devices are ram-air wings made from coated textiles that utilize dynamic pressure to gain their shape. READ MORE