Essays about: "cirrus"

Showing result 1 - 5 of 10 essays containing the word cirrus.

  1. 1. Scalability solutions for automated textile sorting : a case study on how dynamic capabilities can overcome scalability challenges

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

    Author : Cirrus Alpert; Michaela Turkowski; Tahiya Tasneem; [2021]
    Keywords : Circular Economy; Automated Textile Sorting; Used Textiles; Textile Waste; Dynamic Capabilities;

    Abstract : In light of the negative social and environmental impacts of the textile industry, a paradigm shift towards a more circular economy is inevitable. Automated textile sorting embodies a crucial but missing link to connect forward and reverse supply chains for circular economy, however scalability challenges exist. READ MORE

  3. 2. Cirrus Clouds; Study of Microphyscial Properties and Their Seasonal & Temperature Dependence in the Tropics and Mid-latitudes

    University essay from Lunds universitet/Kärnfysik; Lunds universitet/Fysiska institutionen

    Author : Magdalena Sofia Maria Folestad; [2020]
    Keywords : Physics and Astronomy;

    Abstract : Cirrus clouds are high-level ice clouds covering ≈ 30% of Earth’s surface. The cirrus clouds ice crystals can be formed by heterogeneous or homogeneous nucleation, where temperatures for heterogeneous nucleation was set to -38 - -30 °C and for homogeneous nucleation below -42 °C. READ MORE

  4. 3. Deriving characteristics of thin cirrus clouds from observations with the IRF lidar

    University essay from Luleå tekniska universitet/Institutionen för system- och rymdteknik

    Author : Jennifer Edman; [2019]
    Keywords : cirrus; lidar; polar regions; optical thickness; clouds; ice clouds; BSR; backscatter coefficient;

    Abstract : Cirrus clouds play an important role in radiative transfer, and thus have impact on the energy balance of the atmosphere and the climate of the Earth. Furthermore, they occur often and cover large areas globally at any time. Nevertheless, cirrus clouds are poorly studied, especially in the polar regions. READ MORE

  5. 4. CFD analysis of a glider aircraft : Using different RANS solvers and introducing improvements in the design

    University essay from Linköpings universitet/Mekanisk värmeteori och strömningslära

    Author : David Perez Sancha; [2019]
    Keywords : CFD; RANS; Standard Cirrus; glider; Fluent; SU2; OpenFOAM; SST; transition; winglet.;

    Abstract : In this study, Computational Fluid Dynamics (CFD) simulations have been carried out in order to investigate and improve the performance of the Standard Cirrus glider, using different Navier-Stokes methods and solving the equations for the steady flow. The work has been divided in two parts: First, a study is performed to test the quality of the transition model (Gamma-ReTheta). READ MORE

  6. 5. Thermal Modelling of Voicecoils in Microspeakers

    University essay from Linköpings universitet/Reglerteknik

    Author : Johan Toverland; [2016]
    Keywords : Thermal Modelling; microspeaker; voice coil; loudspeaker;

    Abstract : Microspeakers can overheat and break if not monitored and regulated. This monitoringis usually done by adding a pilot tone that introduces energy to the signal.A problem with this approach is the slow update rate of the temperature estimate.This in combination with a fast temperature rise could result in an audible regulationof the input. READ MORE