- document
-
Schelbergen, M. (author)The potential of utility-scale airborne wind energy (AWE) systems to contribute significantly to the energy transition hinges on their large-scale deployment, which depends on the cost-competitiveness and complementarity with conventional wind turbines. Central to the assessment of these metrics is understanding long-term energy production,...doctoral thesis 2024
- document
-
Watchorn, John (author)The purpose of this study has been to develop an aerodynamic load model for the energy harvesting (traction) phase of leading-edge inflatable (LEI) kites operating in an airborne wind energy (AWE) context. The load model stems from multivariate polynomial regression analyses expressing the airfoil lift, drag and moment coefficients as polynomial...master thesis 2023
- document
-
Hummel, Jesse (author)Power output during flight operation of multi-megawatt airborne wind energy systems is substantially affected by the mass of the airborne subsystem, resulting in power fluctuations. In this paper, an approach to control the tether force using the airborne subsystem is presented that improves the quality of the power output. This kite tether...master thesis 2023
- document
-
van Breukelen García, Alejandro (author), Cerbino, Filippo (author), Dubois, Justin (author), Esser, Timo (author), Gün, Kerem (author), Jerez, Eduardo (author), Lacal Ip, Daniel (author), van Leeuwen, Roel (author), Olimid, Dominic (author), Smit, Adriaan (author), Stevens, Sebastien (author)The aim of this executive overview is to summarise the content of this extensive report regarding the design of an Landing, Launching and Storage (LLS) system for a soft kite Airborne Wind Energy (AWE) system.<br/>An innovative idea does not translate automatically to financial gain. With new technologies, such as AWEs it is crucial to assess...bachelor thesis 2023
- document
-
Bouman, Naomi (author)Airborne wind energy systems offer a promising approach for renewable energy generation. However, the noise emissions associated with these systems should be understood and minimized as well to promote their integration and (social) acceptance. This research aims to identify the noise sources of airborne wind energy systems, systems with leading...master thesis 2023
- document
-
Thedens, Paul (author), Schmehl, R. (author)Similar to parafoils, ram-air kites are flexible membrane wings inflated by the apparent wind and supported by a bridle line system. A major challenge in estimating the performance of these wings using a computer model is the strong coupling between the airflow around the wing and the deformation of the membrane structure. In this paper, we...journal article 2023
- document
-
Eijkelhof, D. (author), Buendía Vela, Gabriel (author), Schmehl, R. (author)High aerodynamic efficiency is a key design driver for airborne wind energy systems as it strongly affects the achievable energy output. Conventional fixed-wing systems generally use aerofoils with a high thickness-to-chord ratio to achieve high efficiency and wing loading. The box wing concept suits thinner aerofoils as the load distribution...journal article 2023
- document
-
Poland, J.A.W. (author), Schmehl, R. (author)Airborne wind energy systems using flexible membrane wings have the advantages of a low weight, small packing volume, high mobility and rapid deployability. This paper investigates the aero-structural deformation of a leading edge inflatable kite for airborne wind energy harvesting. In the first step, a triangular two-plate representation of the...journal article 2023
- document
-
Stasevičius, Simonas (author)Central configurations provide the only closed-form analytical solutions of the n-body problem. All possible central configurations of three bodies have been extensively studied along with the stability of the associated periodic orbits. Stable cases have been found for the Lagrangian triangle configuration, which we see occurring with the...master thesis 2022
- document
-
Cayón Domingo, Oriol (author)When designing an airborne wind energy system, it is necessary to be able to estimate the traction force that the kite produces as a function of its flight trajectory. Being a flexible structure, the geometry of a soft kite depends on its aerodynamic loading and vice versa, which forms a complex fluid-structure interaction (FSI) problem.<br/...master thesis 2022
- document
- van der Voort, Robbin (author), de Lint, Joris (author), Mingelen, Coen (author), Grootes, Ole (author), Oostwoud, Winter (author), Derie, Camille (author), Paddeu, Julie (author), Masure, Kasper (author), Van der Straeten, Mathieu (author), Wennink, Thom (author) bachelor thesis 2022
- document
-
Kokkedee, Jop (author)With an ever increasing demand for sustainable energy, limitations of current sustainable technologies are studied widely. In wind farms, the so-called wake effect provides the biggest limitation on wind farm total power output. Using wind from the unaffected boundary layer to re-energize the wind flow in the wake provides a method of limiting...master thesis 2022
- document
-
Thedens, P. (author)The airborne wind energy (AWE) technology aims to utilise tethered wings to harvest wind energy at altitudes conventional wind turbines cannot reach. There are two distinct methods to harvest airborne wind energy: onboard and ground-based generation. The onboard generation is achieved through flying fast manoeuvres driving propellers attached to...doctoral thesis 2022
- document
-
Eijkelhof, D. (author), Schmehl, R. (author)Currently developed airborne wind energy systems have reached sizes of up to several hundred kilowatts. This paper presents the high-level design and a six-degrees-of-freedom model of a future fixed-wing airborne wind energy system operated in pumping cycles. This framework is intended to be used as an open-source reference system. The fixed...journal article 2022
- document
-
Sammarco, Matteo (author)The project focused on improving Olympic foiling classes sailing athletes' safety: Nacra 17, iQFOiL, and IKA Formula Kite. The primary objective was to investigate dangerous circumstances with foil sailors to research the mechanisms that cause injuries and develop a design solution to prevent them. The research performed provides an integrated...master thesis 2021
- document
-
Jonard, Swami (author)The control and design of kites for airborne wind energy requires an extensive understanding of kite dynamics. While these have been thoroughly analyzed with fluid-structure interaction models, very little experimental data exists to validate them. Specifically, most experiments on kites so far have not obtained local measurements that can be...master thesis 2021
- document
- Gül, Dilge (author), Popescu Cabo, albertocornel (author), Caruso, Mateo (author), de Lange, Matthijs (author), Isidorova, Varvara (author), Kriharen Tiagoo, Kriharen (author), Sanders, Loek (author), Meyer Ranneft, Thomas (author), van der Klugt, Walter (author), Sambath, Badhrinarayanan (author) bachelor thesis 2021
- document
-
Ouroumova, L.H. (author), Witte, D. (author), Klootwijk, B.J. (author), Terwindt, E.N. (author), van Marion, F. (author), Mordasov, D. (author), Corte Vargas, F. (author), Heidweiller, S. (author), Géczi, M. (author), Kempers, M.X. (author), Schmehl, R. (author)Generating renewable energy on Mars is technologically challenging. Firstly, because, compared to Earth, key energy resources such as solar and wind are weak as a result of very low atmospheric pressure and low solar irradiation. Secondly, because of the harsh environmental conditions, the required high degree of automation, and the exceptional...journal article 2021
- document
-
Borobia-Moreno, R. (author), Ramiro-Rebollo, D. (author), Schmehl, R. (author), Sanchez Arriaga, G. (author)The aerodynamic characteristics of a leading edge inflatable (LEI) kite and a rigid-framed delta (RFD) kite were investigated. Flight data were recorded by using an experimental setup that includes an inertial measurement unit, a GPS, a magnetometer, and a multi-hole Pitot tube onboard the kites, load cells at every tether, and a wind station...journal article 2021
- document
-
Rushdi, Mostafa A. (author), Dief, Tarek N. (author), Yoshida, Shigeo (author), Schmehl, R. (author)Kites can be used to harvest wind energy with substantially lower material and environmental footprints and a higher capacity factor than conventional wind turbines. In this paper, we present measurement data from seven individual tow tests with the kite system developed by Kyushu University. This system was designed for 7 kW traction power...journal article 2020