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Academic Staff Geo-Engineering Dr. A. Askarinejad Guest associate professor Geo-Engineering Dr. Ir. R.B.J. (Ronald) Brinkgreve Part-time Associate Professor Geo-Engineering Dr. Ir. W. (Wout) Broere Associate Professor Geo-Engineering Dr. M.A. (Miguel) Cabrera Assistant Professor Geo-Engineering Dr. Ir. A.A.M. (Anne-Catherine) Dieudonné Assistant Professor Geo-engineering Ir. R.A. (Ryan) van der Eijk Guest Lecturer Geo-Engineering Dr. L. (Luca) Flessati Assistant Professor Geo-Engineering Prof.dr. K.G. (Kenneth) Gavin Professor of Subsurface Engineering Geo-Engineering Dr. J. (Julia) Gebert Associate Professor Geo-Engineering Dr. G. (Giorgia) Giardina Associate Professor Geo-Engineering Prof. Dr. Ir. T.J. (Timo) Heimovaara Department Chair / Professor of Geo-Environmental Engineering Geo-Engineering Prof. Dr. M.A. (Michael) Hicks Head of section / Professor of Soil Mechanics Geo-Engineering Prof. Dr. C. (Cristina) Jommi Professor of Dikes and Embankments Geo-Engineering Dr. Ir. M. (Mandy) Korff Associate Professor of Geotechnical Practice Geo-Engineering Dr. J.C.L. (Hans) Meeussen Guest Associate Professor Geo-Engineering Prof.dr.ir. F. (Frans) Molenkamp Emeritus Professor Geo-Engineering Dr. S. (Stefano) Muraro Assistant Professor of Experimental Soil Mechanics Geo-Engineering Dr. Ir. D.J.M. (Dominique) Ngan-Tillard Associate Professor Geo-Engineering R.E.P. (Richard) De Nijs Lecturer in Underground Space Technology Geo-Engineering Prof.dr. P.J. (Pieter) Stuijfzand Emeritus Professor of Chemical Hydrogeology Geo-Engineering Prof. Ir. A.F. van Tol Emeritus Professor of Foundation Engineering Geo-Engineering Prof.dr. P.J. (Phil) Vardon Professor Energy Geomechanics Geo-Engineering Dr.ir. C. (Cor) Zwanenburg Assistant Professor of Soil mechanics Research Staff Geo-Engineering Dr. L.A. (Leonardo) Duarte Campos Geo-Engineering Dr. ir. T. (Tom) de Gast Geo-Engineering Dr. E. (Elpida) Georgiou Geo-Engineering Nasim Janatian Ghadikolaei Geo-Engineering Dr. Ergin Kükrer Postdoctoral researcher Geo-Engineering Dr. J. (Joaquín) Liaudat Geo-Engineering Dr. V. (Valentina) Macchiarulo Geo-Engineering Dr. Eng. N. (Nicoletta) Nappo Geo-Engineering Dr. W.F. (William) Ovalle-Villamil Geo-Engineering Dr. T.H.G. (Tommy) Wils Postdoctoral Researcher PhD Students Geo-Engineering C. F. (Cristhian) Andrade Corona C.F.AndradeCorona@tudelft.nl Geo-Engineering H. (Hilmi) Bayraktaroglu MSc Geo-Engineering S.T.W. (Stijn) Beernink, MSc Geo-Engineering Ching-Yu Chao, MSc. Geo-Engineering B.R. (Bhini Rani) Chandan Malagar, MSc. B.R.ChandanMalagar@tudelft.nl Geo-Engineering J.F. (Juan) Chavez Olalla, MSc. Geo-Engineering K. (Konstantinos) Chatzis, MSc. Geo-Engineering Dipl.-Ing. L. (Laura) Cote Martinez MEng Geo-Engineering K.J. (Kevin) Duffy, MSc. Geo-Engineering V.K. (Varenya) Duvvuru Mohan, MSc. Geo-Engineering M. (Muhammet) Durmaz, MSc. Geo-Engineering N. (Nazeir) Elnaker, M.Sc. Geo-Engineering M.S. (Thijs) van Esch, MSc Geo-Engineering F. (Mahtab) Foroughnia Geo-Engineering N. (Na) Hao, MSc. N.Hao@tudelft.nl Geo-Engineering Elham Hosseinzadeh Geo-Engineering W. (Wei) Huang, MSc. Geo-Engineering Z. (Zhaojiang) Huang, MSc Geo Engineering Andrea Jara Barrera Geo Engineering Ties de Jong Geo-engineering H. (Hao) Kuai, MSc. h.kuai@tudelft.nl Geo-Engineering Ir D.A. (Dirk) de Lange, MSc. Geo-Engineering L. (Lexin) Li, MSc. L.Li-10@tudelft.nl Geo-Engineering Z. (Zheng) Li, MSc. Geo-Engineering W. (Wen) Luo, MSc. W.Luo@tudelft.nl Geo-Engineering A. (Arash) Maghsoudloo, MSc. Geo-Engineering D.U. (Dominika) Malinowska, MSc. D.U.Malinowska@tudelft.nl Geo-Engineering M. (Mirko) Mento, MSc. m.mento@tudelft.nl Geo-Engineering P.N. (Paola) Meza Ramos Geo-Engineering Sara Banaei Moghadam Geo-Engineering J. (Josselin) Ouf Geo Engineering Ian Pierce Geo-Engineering L.J. (Luis José) Parra Gomez, MSc. Geo-Engineering Ir. T.O. (Tristan) Quinten Vidushi Toshniwal Rein de Vries Geo-Engineering Xiuzhe Wang Geo-Engineering W. J. (Inge) de Wolf Geo-Engineering M. (Man) Xu, MSc. Geo Engineering Dayu Yang Geo-Engineering J. (Jiarui) Zhang, MSc. Geo-Engineering Y. (Yuen) Zhang, MSc.

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New catheter technology promises safer and more efficient treatment of blood vessels

Each year, more than 200 million catheters are used worldwide to treat vascular diseases, including heart disease and artery stenosis. When navigating into blood vessels, friction between the catheter and the vessel wall can cause major complications. With a new innovative catheter technology, Mostafa Atalla and colleagues can change the friction from having grip to completely slippery with the flick of a switch. Their design improves the safety and efficiency of endovascular procedures. The findings have been published in IEEE. Catheter with variable friction The prototype of the new catheter features advanced friction control modules to precisely control the friction between the catheter and the vessel wall. The friction is modulated via ultrasonic vibrations, which overpressure the thin fluid layer. This innovative variable friction technology makes it possible to switch between low friction for smooth navigation through the vessel and high friction for optimal stability during the procedure. In a proof-of-concept, Atalla and his team show that the prototype significantly reduces friction, averaging 60% on rigid surfaces and 11% on soft surfaces. Experiments on animal aortic tissue confirm the promising results of this technology and its potential for medical applications. Fully assembled catheters The researchers tested the prototype during friction experiments on different tissue types. They are also investigating how the technology can be applied to other procedures, such as bowel interventions. More information Publicatie DOI : 10.1109/TMRB.2024.3464672 Toward Variable-Friction Catheters Using Ultrasonic Lubrication | IEEE Journals & Magazine | IEEE Xplore Mostafa Atalla: m.a.a.atalla@tudelft.nl Aimee Sakes: a.sakes@tudelft.nl Michaël Wiertlewski: m.wiertlewski@tudelft.nl Would you like to know more and/or attend a demonstration of the prototype please contact me: Fien Bosman, press officer Health TU Delft: f.j.bosman@tudelft.nl/ 0624953733

A key solution to grid congestion

On behalf of the TU Delft PowerWeb Institute, researchers Kenneth Brunninx and Simon Tindemans are handing over a Position Paper to the Dutch Parliament on 14 November 2024, with a possible solution to the major grid capacity problems that are increasingly cropping up in the Netherlands. The Netherlands is unlikely to meet the 2030 climate targets, and one of the reasons for this is that large industry cannot switch to electricity fast enough, partly because of increasingly frequent problems around grid capacity and grid congestion. In all likelihood, those problems will actually increase this decade before they can decrease, the researchers argue. The solution offered by the TU Delft PowerWeb Institute researchers is the ‘flexible backstop’. With a flexible backstop, the current capacity of the power grid can be used more efficiently without sacrificing safety or reliability. A flexible backstop is a safety mechanism that automatically and quickly reduces the amount of electricity that an electric unit can draw from the grid (an electric charging station or a heat pump) or deliver (a PV installation). It is a small device connected or built into an electrical unit, such as a charging station or heat pump, that ‘communicates’ with the distribution network operator. In case of extreme stress on the network, the network operator sends a signal to the device to limit the amount of power. Germany recently introduced a similar system with electric charging stations. The backstop would be activated only in periods of acute congestion problems and could help prevent the last resort measure, which is cutting off electricity to users. ‘Upgrading the electricity network remains essential, but in practice it will take years. So there is a need for short-term solutions that can be integrated into long-term planning. We, the members of the TU Delft PowerWeb Institute, call on the government, network operators and regulator to explore the flexible backstop as an additional grid security measure,’ they said. The entire Paper can be read here . Kenneth Brunninx Associate Professor at the Faculty of Engineering, Governance and Management, where he uses quantitative models to evaluate energy policy and market design with the aim of reducing CO2 emissions. Simon Tindemans is Associate Professor in the Intelligent Electrical Power Grids group at Faculty of Electrical Engineering, Mathematics and Computer Science. His research interests include uncertainty and risk management for power grids. TU Delft PowerWeb Institute is a community of researchers who are investigating how to make renewable energy systems reliable, future proof and accessible to everyone.

25 year celebration of formal collaboration between Delft University of Technology and the University of Campinas

On 25 October 2024 we celebrated 25 years of formal collaboration between Delft University of Technology and the University of Campinas. What began as a project to exchange some students in chemical engineering has now grown to a multifaceted and broad academic collaboration which accumulated into 24 joint research projects (>20 M Euro); 16 advanced courses and 15 Doctors with a Dual Degree PhD. Patricia Osseweijer, TU Delft Ambassador Brazil explained, “We are proud to show and reflect on this special day the added value we created resulting from our joint activities. The lessons we learned demonstrate that especially continuity of funds and availability for exchanges has contributed to joint motivation and building trust which created strong relations. This is the foundation for academic creativity and high-level achievements.” The program presented showcases of Dual Degree projects; research activities and education. It discussed the future objectives and new fields of attention and agree on the next steps to maintain and strengthen the foundation of strong relations. Telma Franco, Professor UNICAMP shared that “joint education and research has substantially benefitted the students, we see that back in the jobs they landed in,” while UNICAMP’s Professor Gustavo Paim Valenca confirmed that “we are keen to extend our collaboration to more engineering disciplines to contribute jointly to global challenges” Luuk van der Wielen highlighted that “UNICAMP and TU Delft provide valuable complementary expertise as well as infrastructures to accelerate research and innovation. Especially our joint efforts in public private partnerships brings great assets” To ensure our future activities both University Boards have launched a unique joint program for international academic leadership. This unique 7-month program will accommodate 12 young professors, 6 from each university. The programme began on 4 November 2024 in Delft, The Netherlands.

Christmas lunch

Take part in a festive lunch with MoTiv, TU Delft Studentenraad en TU Delft ESA This holiday season, MoTiv, TU Delft, and the local Delft churches are bringing together homes and students for a special, heartwarming experience, and we would love for you to be part of it! After three successful years, we’re excited to continue this festive tradition, bridging cultures and creating connections. Are you interested in joining a holiday lunch as a guest , along with other international students, in a welcoming Delft-area home? Or perhaps you’d like to open your home as a host , sharing a warm, cultural celebration with students from around the world? This special event will take place from December 23rd to December 31st, between 12:00 and 15:00 . For Guests : If you’d like to participate as a guest, we’ll match you with a local host eager to share their holiday traditions. You’ll enjoy delicious dishes, laughter, and meaningful conversations, creating memories that feel like home, even far from family. Once matched, we’ll connect you with your host so you can coordinate details and meal plans together. Sign up as a guest in this google forms.(https://forms.gle/yLAqE83DcqWGwcKB8) For Hosts : If you’re interested in hosting, this is a wonderful opportunity to welcome students into your home for a memorable meal. By sharing food, stories, and perhaps even a few games, you’ll help make the season brighter for students eager to experience Dutch hospitality and holiday traditions. Sign up as a host in this google forms.( https://forms.gle/bJB5svxJZ1iTSF1c6 ) For any questions, feel free to reach out to us at motiv.connects@gmail.com. For more information, please visit our website at www.motiv.tudelft.nl/christmas-lunch-delft/ . Thank you for making this holiday season unforgettable. We look forward to celebrating with you! Warm regards, MoTiv, TU Delft Student Council, TU Delft ESA - Student Community Team