Sökning: "computational fluid-dynamics simulations"

Visar resultat 1 - 5 av 219 avhandlingar innehållade orden computational fluid-dynamics simulations.

1. 1. Permeability of non-crimp fabrics : a computational fluid dynamics approach

   Författare :Markus Nordlund; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Strömningslära; Fluid Mechanics;

   Sammanfattning : In the present market for manufacturing of high performance structural parts for various applications such as aerospace, transportation, infrastructure, marine, sports and recreation, low weight, high performance composites are preferable. Non-Crimp Fabrics (NCFs) are often used for such applications due to its high mechanical properties and often cost effective production. LÄS MER

3. 2. Numerical Simulations of Turbulent Flows at Widely Different Mach Numbers

   Författare :Dragos Moroianu; Strömningsteknik; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; vibration and acoustic engineering; Maskinteknik; hydraulics; vacuum technology; Mechanical engineering; plasma; Energy research; Energiforskning; fluiddynamik; plasmas; Gaser; fluid dynamics; Gases; computational fluid dynamics; Acoustic; hydraulik; vakuumteknik; vibrationer; akustik; compressible flow;

   Sammanfattning : The present thesis mainly focuses on the numerical simulation of the turbulent flow field and acoustics developed in different industrial applications. The study covers a large range of Mach numbers, starting from incompressible regimes and ending with a fully compressible flow. LÄS MER

4. 3. A Detailed Kinetic Model for Calculation of the Soot Particle Size Distribution Function

   Författare :Fikret Saric; Förbränningsfysik; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Gaser; fluiddynamik; plasma; Motors and propulsion systems; Motorer; framdrivningssystem; plasmas; fluid dynamics; Gases; Fysik; Physics; Computational Fluid Dynamics; Sectional Method; Method of Moments; Diesel Like Engine Condition; Distribution Function; Detailed Kinetic Soot Model; Soot Particle Size;

   Sammanfattning : The soot particle size distribution was studied via numerical simulation under diesel like engine conditions using a detailed kinetic soot model. Two different mathematical methods of the soot model description have been used in this work. In the first part of the work, the method of moments is presented. LÄS MER

5. 4. Producer Gas Implementation in Steel Reheating Furnaces from Lab to Industrial Scale : A Computational Fluid Dynamics and Thermodynamics Approach

   Författare :Mohsen Saffari Pour; Pär Göran Jönsson; Henrik Saxen; KTH; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Teknisk materialvetenskap; Materials Science and Engineering;

   Sammanfattning : The integrated steel-making plants in Sweden contributed with approximately 8 % of the total CO2 emissions in the country in 2011. A major contributor to these emissions is the combustion of fossil fuels in different process units. Therefore, it is essential to reduce emissions by limiting the fossil fuels consumption in the steel industry. LÄS MER

7. 5. Mitigation of urban storm water runoff through application of computational fluid dynamics

   Författare :Kaj Pettersson; Chalmers tekniska högskola; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; microstructure; infiltration; Green roof; CFD; wind-driven rain; building facade.; lattice Boltzmann;

   Sammanfattning : This thesis covers computational methods for improving the ability of green roofs to mitigate storm water runoff in urban environments. Roofs with living vegetation, known as green roofs, have been used for this purpose however quantification of their ability to slow and stop rainfall runoff has not been undertaken to a large degree. LÄS MER