Sökning: "aerodynamic loads"

Visar resultat 1 - 5 av 31 uppsatser innehållade orden aerodynamic loads.

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

    Master-uppsats, Högskolan i Borås/Akademin för textil, teknik och ekonomi

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

    Sammanfattning : 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. LÄS MER

  3. 2. Mechanical Design, Analysis, and Manufacturing of Wind Tunnel Model and Support Structure

    Master-uppsats, KTH/Lättkonstruktioner

    Författare :Luis Alfonso Penela Guerrero; [2022]
    Nyckelord :Aerospace; wind tunnel testing; lightweight structures; UAV; composite materials; Flyg; vindtunneltestning; Lättkonstruktioner; UAV; kompositmaterial;

    Sammanfattning : The use of wind tunnel models for aerodynamic research is nowadays indispensable to aviation progress in the last years as aircrafts have become more complex. Wind tunnel model design and manufacturing has adopted many different processes and materials such as the use of a five-axis CNC; making this process a relatively long and expensive one. LÄS MER

  4. 3. Addressing challenges when performing a multidisciplinary design approach - a case study for evaluating robustness in early design studies

    Master-uppsats, Luleå tekniska universitet/Institutionen för system- och rymdteknik

    Författare :Rebecka Kjellman; Minka Suomela; [2022]
    Nyckelord :;

    Sammanfattning : This thesis work aims to get an insight into how the organisation at GKN Aerospace Sweden takes on multidisciplinary design and, in particular, how they work with manufacturing aspects in early phases. In addition, the work investigates an approach and explores how this approach can be improved. LÄS MER

  5. 4. Development of a Low Speed Wind Tunnel Test Campaign

    Master-uppsats, KTH/Flygdynamik

    Författare :Siwat Suewatanakul; [2021]
    Nyckelord :Aerospace; wind tunnel testing; aerodynamics; UAV; boundary corrections; support interference; CFD; Ansys Fluent; Aerospace; vindtunneltestning; aerodynamik; UAV; gränskorrigeringar; stödstörningar; CFD; Ansys Fluent;

    Sammanfattning : This study was performed to investigate aerodynamic characteristics of the 37.5% scaled­ down Green Raven MK18 airframe, to evaluate boundary corrections method, and to investigate on support interference. LÄS MER

  7. 5. Load Control Aerodynamics in Offshore Wind Turbines

    Master-uppsats, KTH/Kraft- och värmeteknologi

    Författare :Lorenzo Cantoni; [2021]
    Nyckelord :Wind Turbine; Offshore; Blade; Rotor; Computational Fluid Dynamics; Airfoil; Aerodynamic; Aeroelasticity; Simulation; Fluid; Structure; Interaction; Loads; Control; Response; Harmonics; Vibration; Damping; Flutter; Trailing Edge; Flaps; Wind Gust; Lift; Drag; Unsteady; Pressure; Velocity; Vindkraftverk; offshore; blad; rotor; beräkningsvätske-dynamik; flygplatta; aerodynamisk; aeroelasticitet; simulering; vätska; struktur; interaktion; belastningar; kontroll; respons; övertoner; vibrationer; dämpning; fladdring; bakkant; klaffar; vindstöt; lyft; Drag; ostadig; tryck; hastighet;

    Sammanfattning : Due to the increase of rotor size in horizontal axis wind turbine (HAWT) during the past 25 years in order to achieve higher power output, all wind turbine components and blades in particular, have to withstand higher structural loads. This upscalingproblem could be solved by applying technologies capable of reducing aerodynamic loads the rotor has to withstand, either with passive or active control solutions. LÄS MER