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TU Delft AE Diversity & Inclusion ‘Safety Beyond Boundaries’ Panel

TU Delft AE Diversity & Inclusion ‘Safety Beyond Boundaries’ Panel 19 september 2024 17:30 t/m 19:30 - Locatie: TU Delft Faculty of Aerospace Engineering, Lecture room A | Zet in mijn agenda Veiligheid Voorbij Grenzen: Bruggen Bouwen Tussen Luchtvaartveiligheid en LGBTIQ+ Veiligheid Doe met ons mee voor een verhelderend evenement getiteld "Veiligheid Voorbij Grenzen", waar we de fascinerende parallellen tussen luchtvaartveiligheid en LGBTIQ+ veiligheid onderzoeken. Ons doel is om inzichten te halen uit de rigoureuze en evoluerende veiligheidspraktijken in de luchtvaart om de veiligheid binnen de LGBTIQ+ gemeenschap beter te begrijpen en te verbeteren. Luchtvaartveiligheid is lange tijd gevormd door het leren van onvoorziene ongevallen en het voortdurend aanpassen aan veiligheidsnormen. De sector is een model van waakzaamheid en responsiviteit, waarbij wordt erkend dat veiligheid een voortdurend proces is dat constante aandacht en aanpassing vereist. Op dezelfde manier vereist het waarborgen van veiligheid binnen de LGBTIQ+ gemeenschap voortdurende bewustwording, flexibiliteit en proactieve maatregelen. Net zoals de luchtvaartsector zich geen zelfgenoegzaamheid kan veroorloven, kunnen wij dat ook niet als het gaat om het bevorderen van een veilige en ondersteunende omgeving voor iedereen. Tijdens dit evenement zullen we deze parallellen verkennen door middel van een paneldiscussie met leden van de LGBTIQ+ gemeenschap en belangrijke figuren van onze eigen faculteit. Samen zullen we bestaande veiligheidspraktijken onderzoeken, verbeterpunten identificeren en werken aan het creëren van een nog veiligere en inclusievere omgeving—net zoals de luchtvaartindustrie voortdurend streeft te doen. Doe met ons mee in deze cruciale dialoog terwijl we samenwerken om niet alleen een veiligere omgeving voor vandaag te bouwen, maar ook een veilige basis voor de toekomst. Laten we waakzaam blijven, voorbereid zijn en begrijpen dat de veiligheid van morgen begint met de acties die we vandaag ondernemen!

4TU Energy grant for Bijoy Bera for research (with UT) on Magneto-Iono-caloric Heat Pumps

Recently, dr. Bijoy Bera (Interfacial Physis Lab/Transport Phenomena Section) received, together with his collaborator dr. Keerthivasan Rajamani (University of Twente), the 4TU Energy grant, which promotes collaborative efforts among the four technical universities of NL to address the energy issues/future of this country. ChemE News sat down with Bijoy for more info. What is a heat pump? Why does NL need them? What’s wrong with the current heat pumps? A pump is a device where we put (electrical) energy to obtain work. Heat pump is where work (together with heat from a source) is supplied to a device to obtain heat, very useful for efficient heating of households. The heating demand for the built environment in the Netherlands alone is expected to be 333 PJ of energy in 2030. As of 2022, 82% of Dutch households still use natural gas for heating. (Traditional vapor compression system) Heat pumps are being increasingly used in Dutch households (if you ask me, not as much as should be), but the major problem is their efficiency, which tends to hover around 40%-50%. How is your research going to improve the situation? Dr. Rajamani (UT) and I are going to investigate, model and design a new type of heat-pump: Magneto-iono-caloric heat pumps. We plan to use magnetic ionic liquids where low strength magnetic field can be used to bring the melting point of a salt down to below the room temperature. The heat of solidification/crystallization of the salt can then subsequently be used as the heat source of the heat pump, which will lead to higher Carnot efficiency. What is the nature of the collaboration in this project? Keerthi (Dr Rajamani) is an expert in magneto-caloric devices where magnetic fields are applied to change the energy input/output of a system. I will bring my expertise of ionic manipulation of energy interactions in a system. Keerthi and I were chatting about our areas of interest about a year ago, and we realized that by combining these two points of interest, we can come up with something unique! Dr. Bijoy Bera Why is this research important? Will this grant be sufficient in that quest? There is right now a strong direction in the Dutch research landscape to contribute to new forms of energy and how to increase efficiency in processes producing these forms of energy. However, classic thermodynamic processes (such as a heat pump) are often overlooked. This grant is a small but timely incentive for us to start the work, and hopefully our results will inspire colleagues to join us and create a platform for something bigger. Sounds interesting! When can we buy magneto-iono-caloric heat pumps for our houses? Not for a little while, unfortunately! But we are talking about years not decades! And once we can make it, it will open many doors for us, not only for household heating, but for renewed faith in novel energy systems!

Understanding the learning process: machine learning and computational chemistry for hydrogenation

Machine learning is being mentioned all around, but can it be applied to modelling homogeneous catalysis? Researchers from TU Delft together with Janssen Pharmaceuticals published an extensive study accompanied by one of the biggest datasets on rhodium-catalyzed hydrogenation in Chemical Science trying to answer this question. Adarsh Kalikadien Evgeny Pidko For more than half a century, Rhodium-based catalysts have been used to produce chiral molecules via the asymmetric hydrogenation of prochiral olefins. The importance of this transformation was acknowledged by a Nobel prize given to Noyori and Knowles for their contributions in this field. Nowadays, asymmetric hydrogenation catalysts are widely used in the pharmaceutical industry, numerous chiral ligands are available to tackle a wide range of prochiral substrates and the reaction mechanism has been extensively studied. Consequently, one would expect that finding the best catalyst for the asymmetric hydrogenation of a new substrate is a trivial task. Unfortunately, this is not the case and a tedious and costly experimental screening is still needed. Adarsh Kalikadien and Evgeny Pidko from TU Delft together with experts in high-throughput-experimentation, data science and computational chemistry from Janssen Pharmaceutica in Belgium decided to investigate whether a well-trained machine could do the job. To their surprise, the machine was actually not able to learn as much as they expected. The idea was to set up a simple model reaction with a well-known rhodium catalyst. Based on the experimental data generated by the high-throughput experimentation team of Janssen, a computational dataset was built to which multiple machine learning models were applied. “We digitalized the 192 catalyst structures and represented them with features of various levels of complexity for the machine learning models,” says Kalikadien, a PhD student in Pidko’s group. "The interesting thing was that all the simpler models, including the random model, showed similar performances as the expensive variant, which intrigued us. It turned out to be an early indication that the machine was not really learning anything useful.” "One of our conclusions was, when tested more extensively, that for an out-of-domain modeling approach, it doesn't matter what representation you put in”. Nevertheless, although the team was not able to build an accurate model, their study was worth publishing. The publication process went relatively smoothly. “Although the first journal we contacted rejected our submission as too specialized, the high-impact journal Chemical Science saw the value of this work. Not many researchers are interested in just seeing the R2 value of a model and then having no possibility to use it, they are probably interested in an in-depth analysis like ours. So we were able to submit our data, code and even interactive figures there for everyone to use.” At the moment there is a big incentive for publishing negative data in order to help the community to assess the true added value of machine learning, since models trained on mainly positive results tend to become very biased. "We made everything open source," says Kalikadien. "Not only is all the data accessible, but we also offer the code including packages and instructions, so that anyone who is interested can do the same type of research." In this way, they have published one of the largest datasets of a certain type of hydrogenation reaction. What's next? "Our representation of the catalyst wasn't as meaningful for the machine learning models as we had hoped, so we are now looking for a representation that may be less simplified but still as simple as possible," says Kalikadien. "Creating a digital representation of your catalyst should not cost way more money than running the actual experiment, so we are trying to incorporate more information from the reaction mechanism into the model without making it too extensive. A more dynamic and hopefully more informative version of the representation." Read the publication Adarsh Kalikadien, Cecile Valsecchi, Robbert van Putten, Tor Maes, Mikko Muuronen, Natalia Dyubankova, Laurent Lefort and Evgeny A. Pidko

Bipolar membranes for intrinsically stable and scalable CO2 electrolysis

The energy transition requires technology to supply sustainable carbon-based chemicals for hard-to-abate sectors such as long-distance transport and plastic manufacturing. These necessary hydrocarbon chemicals and fuels, responsible for 10-20% of the global greenhouse gas emissions, can be produced sustainably by the electrolysis of captured CO 2 using renewable electricity. Currently, the state-of-the-art CO 2 electrolyzers employ anion exchange membranes (AEMs) to facilitate the transport of hydroxide ions from the cathode to the anode. However, CO 2 is crossing the membrane as well, resulting in a loss of reactant and unfavourable anode conditions which necessitates the use of scarce anode materials. Bipolar membranes (BPMs) offer an alternative that addresses the problem of CO 2 crossover but still requires research to match the product selectivity of AEM-based systems. Our perspective, a collaboration between groups of David Vermaas, Tom Burdyny and Marc Koper, published in Nature Energy, assesses the potential of BPMs for CO 2 electrolysis by looking at CO 2 utilization, energy consumption, and strategies to improve the product selectivity. Abstract CO 2 electrolysis allows the sustainable production of carbon-based fuels and chemicals. However, state-of-the-art CO 2 electrolysers employing anion exchange membranes (AEMs) suffer from (bi)carbonate crossover, causing low CO 2 utilization and limiting anode choices to those based on precious metals. Here we argue that bipolar membranes (BPMs) could become the primary option for intrinsically stable and efficient CO 2 electrolysis without the use of scarce metals. Although both reverse- and forward-bias BPMs can inhibit CO 2 crossover, forward-bias BPMs fail to solve the rare-earth metals requirement at the anode. Unfortunately, reverse-bias BPM systems presently exhibit comparatively lower Faradaic efficiencies and higher cell voltages than AEM-based systems. We argue that these performance challenges can be overcome by focusing research on optimizing the catalyst, reaction microenvironment and alkali cation availability. Furthermore, BPMs can be improved by using thinner layers and a suitable water dissociation catalyst, thus alleviating core remaining challenges in CO 2 electrolysis to bring this technology to the industrial scale. Go to the publication Kostadin Petrov Christel Koopman David Vermaas Tom Burdyny Siddharta Subramanian

How Are U - Week 2024: A Dynamic Week of Workshops and Events to Check-In, Relax, and Connect in Collaboration with Exhale

How Are U - Week 2024: A Dynamic Week of Workshops and Events to Check-In, Relax, and Connect in Collaboration with Exhale 11 november 2024 00:00 t/m 15 november 2024 23:55 - Locatie: Exhale, TU Delft Campus | Zet in mijn agenda De How Are U - Week 2024 vindt plaats van 11 tot en met 15 november. Deze week draait helemaal om het creëren van ruimte voor jou in een hectisch studentenleven. Het is een uitnodiging om bij jezelf en elkaar in te checken. Samen met Student Development en Exhale is er een een unieke mix van inspirerende workshops, creatieve activiteiten, zorg & ondersteuning en analoge get-togethers te bieden, ontworpen om je te helpen ontspannen, verbinden en opladen. Doe mee aan de HAU Week Doe mee aan een Outdoor Hot Tub Night of de ADHD LIVE - Community Night. Of misschien kies je voor de Offline Escape Night met een Candlelit Concert, Movie Night of de creatieve Kintsugi-workshop? Wat je ook kiest, HAU Week biedt je de kans om te ontsnappen, te ontspannen en te verbinden. Tijdens HAU Week nodigen we je uit om de druk van productiviteit, prestatie en perfectie buiten de deur te laten, geheel in Exhale-stijl. Wat kun je verwachten? Dagelijkse evenementen bij Exhale, met pop-up evenementen in de Aula en de Bibliotheek. Het HAU-programma bevat creatieve workshops, (acro)yoga en interactieve sessies die zich richten op community building en het verminderen van stress. Ook zal Connect elke werkdag in november van 12.00 tot 14.00 uur aanwezig zijn bij Exhale, dus als je met vragen zit over je studie, ontwikkeling en welzijn, kun je daar terecht. Of je nu op zoek bent naar rust in je hoofd, beweging, creativiteit of zinvolle gesprekken: wij staan voor je klaar Inschrijven Voor alle activiteiten toegankelijk, en je kunt je eenvoudig aanmelden door op de evenementen hieronder te klikken. De aanmelding voor Exhale-evenementen verloopt via de website van Exhale. Day 1 - Monday (11 Nov) Two-slots | Ticketed | Create at Exhale Kintsugi Workshop XL The Art of Imperfection, an age-old Japanese tradition in which items of broken pottery are repaired with a golden lacquer. 17.00 – 19.00 | free | Exhale CONNECT - to figure it out together During HAU, drop in daily to get info or help from a fellow student. Whether it’s about printing or study doubts, our CONNECT student hosts are here to guide you at TU Delft. 18.00 - 21.30 | Cinema at Exhale StudentOnbeperkt Movie Night Join StudentOnbeperkt and Studable Delft for a movie night at Exhale – everyone is welcome to attend! Day 2 - Tuesday (12 Nov) 18.00 - 20.00 | Ticketed | Create at Exhale Homesick Art Workshop Create space for the things you miss most. 17.00 – 19.00 | free | Exhale CONNECT - to figure it out together During HAU, drop in daily to get info or help from a fellow student. Whether it’s about printing or study doubts, our CONNECT student hosts are here to guide you at TU Delft. 19.30 - 21.30 | Ticketed | Move at Exhale Be(long)ing: Guided Journaling Workshop What is your relationship to belonging and personal identity? Day 3 - Wednesday (13 Nov) 17.00 - 21.00 | Ticketed | Outside at Exhale Hot Tub Night! Come grab a mug of (alcohol-free) Gluwein and heat your bodies up with your friends in the warmth of the tub. 18:15 - 21:30 | Ticketed | Auditorium at the Aula Unlocking Movie Night We are transforming the TU Delft Aula, Auditorium for the UNLOCKING MOVIE NIGHT! 19.00 - 21.30 | Ticketed | Move at Exhale ADHD LIVE: Community Night Join us for a night of ADHD liveliness, inspiration, storytelling, and advice from ADHD professionals and student peers. 17.00 – 19.00 | free | Exhale CONNECT - to figure it out together During HAU, drop in daily to get info or help from a fellow student. Whether it’s about printing or study doubts, our CONNECT student hosts are here to guide you at TU Delft. Day 4 - Thursday (14 Nov) 12.45 - 14.00 | Library Workshop Writing on Loneliness In collaboration with Studium Generale TU Delft, this writing workshop explores the theme of loneliness and is hosted by our Creative Writing Studio Expert Harriet Foyster. 17.00 – 19.00 | free | Exhale CONNECT - to figure it out together During HAU, drop in daily to get info or help from a fellow student. Whether it’s about printing or study doubts, our CONNECT student hosts are here to guide you at TU Delft. 17.00 - 22.00 | Ticketed | Exhale Offline Escape Night: Candlelit Concert & Storytelling 17:30–21:30 Stitch n’ Bitch with Isa Gaastra 18:00–end Food trucks 19:00–19:45 Candlelit Concert from Iris Jean 20:15–21:15 Storytelling with Ciler Ilhan Day 5 - Friday (15 Nov) 17.00 - 22.00 | Ticketed | Exhale Feelgood Friday: Yoga & Chill 17:00–18:15 - Mysofasial Release Workshop 18:00h - Food & Drinks 18:00–21:00 - Acro Yoga XL 18:00–22:00 - DJ playing chill R&B and HipHop 17.00 – 19.00 | free | Exhale CONNECT - to figure it out together During HAU, drop in daily to get info or help from a fellow student. Whether it’s about printing or study doubts, our CONNECT student hosts are here to guide you at TU Delft. Heb je vragen of wil je meer informatie? Neem gerust contact op via communication-esa@tudelft.nl . Laten we deze november samen inchecken, ontspannen en connecten – we zien je graag bij de How Are U-week! Zoek je hulp of ondersteuning tijdens je studie? De TU Delft biedt verschillende mogelijkheden voor begeleiding en ondersteuning tijdens je studie en helpt je ook bij je persoonlijke ontwikkeling en welzijn. Voor meer informatie over beschikbare middelen en initiatieven kun je terecht bij ‘Mijn studie en ik’ op de TU Delft Student Portal .

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