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Teixidó, Helena (author), Caglar, Baris (author), Michaud, Véronique (author)Visualization of resin flow progression through fibrous preforms is often sought to elucidate flow patterns and validate models for filling prediction for liquid composite molding processes. Here, conventional X-ray radiography is compared to X-ray phase contrast technique to image in-situ constant flow rate impregnation of a non-translucent...conference paper 2022
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Van Rheenen, E.S. (author), Padding, J.T. (author), Slootweg, J.C. (author), Visser, K. (author)Increasing pressure on the reduction or elimination of the use of fossil fuels in shipping requires the application of new maritime fuel alternatives. Green and circular produced hydrogen as a maritime fuel in fuel cell systems offers a great solution for these concerns. A fuel cell system has a zero emission performance, solid state silent...conference paper 2022
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Ghiasi, S.K. (author), Zuniga, Marco (author), Langendoen, K.G. (author)To take advantage of Visible Light Communication (VLC) for low-power applications, such as IoT tags, researchers have been developing systems to modulate (backscatter) ambient light using LC shutters. Various approaches have been explored for single-pixel transmitters, but without following a principled approach. This has resulted in either...conference paper 2021
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Nosseir, A.E.S. (author), Cervone, A. (author), Pasini, A (author)Innovation in small-satellite modern space missions and applications require propulsion capabilities to enable active operations in orbit, such as formation flying, rendezvous operations, orbital altitude & inclination changes, and orbital transfers,– generally, operations demanding high-thrust impulsive maneuvers. In addition, Green...conference paper 2020
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Tsouvalas, A. (author), Molenkamp, T. (author), Canny, Khairina (author), Kroon, D.P. (author), Versluis, Marco (author), Peng, Y. (author), Metrikine, A. (author)The paper establishes a computationally inexpensive method to deal with the dynamic response of liquid storage tanks subjected to seismic excitation including dynamic soil-structure interaction. The tank is modelled as a thin shell, the stored liquid is described asan inviscid and incompressible fluid and the soil medium is modelled as an...conference paper 2020
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Chen, P. (author), Engel, Philip (author), Mazur, Adam (author), Abélard, Clément (author), Urbach, Paul (author)Accurate optical modeling for design and optimization of liquid crystal on silicon spatial light modulators (LCoS SLMs) is important for phase-related applications. Traditional matrix method cannot accurately predict the optical performance when the LC distribution is complex, therefore the rigorous finite element method (FEM) is preferred....conference paper 2020
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Kramer, O.J.I. (author), El Hasadi, Yousef M.F. (author), de Moel, P.J. (author), Baars, Eric T. (author), Padding, J.T. (author), van der Hoek, J.P. (author)For an accurate prediction of the porosity of a liquid-solid homogenous fluidized bed, various empirical prediction models have been developed. Symbolic regression machine learning techniques are suitable for analyzing experimental fluidization data to produce empirical expressions for porosity as a function not only of fluid velocity and...conference paper 2019
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de Athayde Costa e Silva, M. (author), Cordeiro Guerrieri, D. (author), Cervone, A. (author), Gill, E.K.A. (author)Vaporizing Liquid Microthrusters (VLM) have recently received attention as promising propulsion technology for highly miniaturized spacecraft due to its high thrust levels and low power consumption. This paper presents the results of numerical optimization of the parameters for the design of the heating chamber of VLMs that use water as the...conference paper 2018
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Cajias, Marcelo (author)Market liquidity conditions and rental growth are said to match along “hot” and “cold” market cycles over time. Substantial deviations from these phases explain either overrented or underrented expectations by landlords or an essential change in tenants’ housing demand. While the assessment of housing markets by central banks, governments,...conference paper 2017
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Breuer, Wolfgang (author), Nguyen, Linh D. (author), Steininger, Bertram I. (author)By using the decomposing market-to-book model and the residual income model to estimate misvaluation, we find empirical evidence supporting the proposition that misvaluation has an impact on the financing decisions and liquidity management of REITs. Regarding the financing decisions, REITs experiencing a high increase in their stock prices will...conference paper 2017
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Schnejdar, Sebastian (author), Heinrich, Michael (author), Sebastian, Steffen (author), Woltering, Rene-Ojas (author)The German open-ended real estate fund industry was strongly hit by massive out flows in the course of the global financial crisis. In total, 18 public and institutional real estate funds had to stop the redemption of shares and were ultimately forced to liquidate their portfolios. Investors of these funds either have to await the stepwise...conference paper 2017
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Kabra, Abhishek (author), Becker, T. (author), Wang, M. (author), Infante Ferreira, C.A. (author), Vlugt, T.J.H. (author)Force Field based Monte Carlo (MC) simulations are conducted to predict the performance of an absorption heat pump cycle involving NH3/ionic liquid (IL) (refrigerant/absorbent) as working pair. To investigate the thermodynamic performance of the cycle, various properties such as the enthalpy of absorption, heat capacity, and solubility of...conference paper 2017
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Pineda Quijano, Diego (author), van der Pal, Michel (author), Infante Ferreira, C.A. (author), Boer, de, Robert (author), Vollenbroek, Jasper (author)The last step in the production of milk powder is drying, an energy intensive process that demands 30% to 40% of the total energy input of a typical plant. It takes place in Spray Dryers (SD), where concentrated milk is sprayed and placed in direct contact with hot and dry air that cools down and gains humidity as water is evaporated from milk....conference paper 2017
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Braun, S. (author), Kraska, T. (author), Kalikmanov, V.I. (author)Binary clusters formed by vapor-liquid nucleation are frequently nonhomogeneous objects in which components are not well mixed. The structure of a cluster plays an important role in nucleation and cluster growth. We demonstrate structuring effects by studying high-pressure nucleation and cluster growth in the n-nonane/methane mixture by means of...conference paper 2013
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Sangadji, S. (author), Wiktor, V.A.C. (author), Jonkers, H.M. (author), Schlangen, H.E.J.G. (author)Bacteria induced calcite precipitation has been proven to be effective in making concrete structure self-healing. In Microlab TU Delft, the concept has been enhanced by developing a liquid bacteria-based concrete repair system. The solution contains calcite precipitating bacteria, nutrients and buffer compound which may demonstrate high...conference paper 2013
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Sangadji, S. (author), Wiktor, V.A.C. (author), Jonkers, H.M. (author), Schlangen, H.E.J.G. (author)Bacteria induced calcite precipitation has been proven to be effective in making concrete structure self-healing. In Microlab TU Delft, the concept has been enhanced by developing a liquid bacteria-based concrete repair system. The solution contains calcite precipitating bacteria, nutrients and buffer compound which may demonstrate high...conference paper 2013
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Van Tittelboom, K. (author), Snoeck, D. (author), Wang, J. (author), De Belie, N. (author)While the Japanese researchers Ohama et al. [1] already mentioned in 1992 that a self-healing effect was noticed when polymer-modified concrete without hardener was made, the real pioneer in the research on self-healing concrete is Carolyn Dry from Illinois. The first time she proposed the use of encapsulated polymers to obtain self-healing...conference paper 2013
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Testa, G. (author), Huang, Y. (author), Zeni, L. (author), Sarro, P.M. (author), Bernini, R. (author)In this work we review recent results of our work on optofluidics. We show that single mode optofluidic waveguides with low loss can be realized using antiresonant reflecting optical confinement (ARROW). These waveguides can be fabricated using full standard silicon technology or hybrid silicon-polymer processes. ARROW waveguides have been used...conference paper 2012
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Eekhout, A.C.J.M. (author)The design & build process of the liquid design roofs for the Rabin Center in Tel Aviv, that took place at Octatube’s of Delft NL, in relation to the Blob Research Group, under leadership of prof. Eekhout at the TU Delft. Through an interdisciplinary approach and a dynamic parallel process of theory & practice, which in its turn mutually...conference paper 2011
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Eichhorn, S.H. (author), Shuai, C. (author), Ahmida, M. (author), Demenev, A. (author), Kayal, H. (author), Raad, F.S. (author), Kaafarani, B.R. (author), Patwardhan, S. (author), Grozema, F.C. (author), Siebbeles, L.D.A. (author), Taerum, T. (author), Perepichka, D.F. (author), Klenkler, R. (author)Donor-acceptor structures have recently gained great popularity for the design of low band gap polymeric organic semiconductors. Presented here is a first systematic study of organic semiconductors based on columnar liquid crystals that consist of discotic and board-shaped donor-acceptor structures. The discotic benzotristhiophenetricarboxamide...conference paper 2011
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