Pages
- 1
- 2
- document
-
Melles, Tycho (author)With space constraints onshore, strong renewable resources available far offshore<br/>and growing green hydrogen demand, far offshore green hydrogen production<br/>may be an attractive option. To assess this potential, a literature review was<br/>conducted to identify the relevant technologies to be considered and suitable<br/>modelling methods....master thesis 2024
- document
-
Tan, Xiaotong (author), Xu, Heyong (author), Tian, R. (author)Delayed detached eddy simulation (DDES) is used to simulate the flow field around the conformal optical window turret and the flat optical window turret. The aero-optical effect and the far-field diffraction result of the two optical windows at 0°, 90° and 180° angles are quantitatively analyzed based on the flow field around the turret....journal article 2023
- document
-
Kamerbeek, Huug (author)The accessibility in far offshore wind farms during unplanned maintenance is reported to be insufficient. This system largely consists of daughter craft, small vessels that increase the multitasking capabilities of an SOV. The goal of this research is to improve the accessibility to ultimately increase turbine availability, which is proven in...master thesis 2022
- document
-
Ulusoy, Taner (author)With the already happening governmental regulations(The Netherlands), an increase in consumer price of natural gas is noticeable. With COVID-19 and now the war in Ukraine energy resources are becoming increasingly expensive. 90 percent Dutch houses are heated with gas. Based on the energy consultant, gas supplies an average to 9769 kWh of energy...master thesis 2022
- document
-
Roelofsen, C.P.G. (author)Door de coronapandemie is er weer volop aandacht voor de binnenluchtkwaliteit in scholen. Een grootschalige inventarisatie van de ventilatiesystemen in schoolgebouwen heeft de nodige manco’s aan het licht gebracht. Inmiddels zijn verschillende mogelijke oplossingen voorgesteld om de besmettingskans in lesruimten te verminderen. Een daarvan is...journal article 2021
- document
-
Schmits, Jeroen (author)Dipoles are all around us and the extent to which it is possible to distinguish two dipoles next to each other is a very important criterion for optical resolution. This report proposes that the resolution can be enhanced by placing a substrate with a film underneath the dipoles. This report specifically looks at the effect on the near and far...bachelor thesis 2020
- document
-
Šiaudinyte, L. (author), Pereira, S.F. (author)As the semiconductor industry rapidly approaches the 3nm lithography node, on product overlay (OPO) requirements have become tighter and as a result, residuals magnitude requirements have become even more challenging. Metrology performance enhancements are required to meet these demands. Color Per Layer (CPL) is a unique imaging overlay...conference paper 2020
- document
-
Verheul, Stefan (author)Microwave Kinetic Inductance Detectors (MKIDs) are extremely sensitive radiation detectors based on superconducting resonators that can be combined in large arrays on a single readout line within a limited frequency bandwidth. This makes MKIDs ideal detectors for the ultimate far-infrared observatory: a future space-based actively cooled...master thesis 2019
- document
-
Davis, Kristina K. (author), Yates, Stephen J.C. (author), Jellema, Willem (author), Groppi, Christopher E. (author), Baselmans, J.J.A. (author), Kohno, Kotaro (author), Baryshev, Andrey M. (author)Complex field mapping is a powerful tool to characterize the optical performance of astronomical instruments, and has become the standard for characterizing heterodyne array cameras. Recently, an adaptation of the heterodyne beam mapping technique was demonstrated on a single pixel of a direct detector instrument. We present a novel...journal article 2019
- document
-
Mohamed, Zakaria (author)Within the field of construction management & engineering are upcoming cities investigated on how they achieved economic development and how they increased the quality of life by using the phenomena of city branding as development tool. By doing so (city branding), cities hope to get a better position on the global market to attract...master thesis 2018
- document
-
Gennaretti, Massimo (author), Bernardini, Giovanni (author), Serafini, Jacopo (author), Anobile, A. (author), Hartjes, S. (author)This paper investigates different methodologies for the evaluation of the acoustic disturbance emitted by helicopter’s main rotors during unsteady maneuvers. Nowadays, the simulation of noise emitted by helicopters is of great interest to designers, both for the assessment of the acoustic impact of helicopter flight on communities and for the...journal article 2017
- document
-
Farmani, M. (author), Heusdens, R. (author), Pedersen, Michael Syskind (author), Jensen, Jesper (author)We consider the problem of determining the relative position of dual-microphone sub-arrays. The proposed solution is mainly developed for binaural hearing aid systems (HASs), where each hearing aid (HA) in the HAS has two microphones at a known distance from each other. However, the proposed algorithm can effortlessly be applied to acoustic...conference paper 2016
- document
-
Holtslag, M.C. (author)Far offshore atmospheric conditions are favourable for wind energy purposes since mean wind speeds are relatively high (i.e., high power production) while turbulence levels are relatively low (i.e., less fatigue loads) compared to onshore conditions. Offshore wind energy, however, is still expensive compared to onshore wind energy. There is...doctoral thesis 2016
- document
-
Khosropanah, P (author), Suzuki, T. (author), Ridder, M. L. (author), Hijmering, R. A. (author), Akamatsu, H. (author), Gottardi, L (author), Van Der Kuur, J. (author), Gao, J.R. (author), Jackson, B. D. (author)SRON is developing ultra-low noise Transition Edge Sensors (TESs) based on a superconducting Ti/Au bilayer on a suspended SiN island with SiN legs for the SAFARI instrument aboard the SPICA mission. We successfully fabricated TESs with very narrow (0.5-0.7 μm) and thin (0.25 μm) SiN legs on different sizes of SiN islands using deep...conference paper 2016
- document
-
Nervo, L. (author), King, A. (author), Wright, J.P. (author), Ludwig, W. (author), Reischig, P. (author), Quinta da Fonseca, J. (author), Preuss, M. (author)A comparison of the performance of X-ray diffraction tomography, a near-field diffraction technique, and a far-field diffraction technique for indexing X-ray diffraction data of polycrystalline materials has been carried out by acquiring two sets of diffraction data from the same polycrystalline sample volume. Both approaches used in this study...journal article 2014
- document
-
Hijmering, R.A. (author), Khosropanah, P. (author), Ridder, M. (author), Lindeman, M. (author), Gottardi, L. (author), Bruijn, M. (author), Van der Kuur, J. (author), De Korte, P. (author), Gao, J.R. (author), Hoervers, H. (author), Jackson, B. (author)At the Netherlands Institute for Space Research (SRON) we are developing Transition Edge Sensors (TES) bolometers for the SAFARI Imaging Spectrometer on the SPICA telescope. With the current design of the SPICA telescope a background magnetic field of about a Gauss with fluctuations of a couple percent is expected. The effect of this external...journal article 2012
- document
-
Khosropanah, P. (author), Hijmering, R.A. (author), Ridder, M. (author), Lindeman, M.A. (author), Gottardi, L. (author), Bruijn, M. (author), Van der Kuur, J. (author), de Korte, P.A.J. (author), Gao, J.R. (author), Hoevers, H. (author)Transition edge sensors (TES) are the chosen detector technology for the SAFARI imaging spectrometer on the SPICA telescope. The TES are required to have an NEP of 2–3 × 10?19 W/? Hz to take full advantage of the cooled mirror. SRON has developed TiAu TES bolometers for the short wavelength band (30–60 ?m). The TES are on SiN membranes, in which...journal article 2012
- document
- Khosropanah, P. (author), Dirks, B. (author), Parra-Borderias, M. (author), Ridder, M. (author), Hijmering, R. (author), Van der Kuur, J. (author), Gottardi, L. (author), Bruijn, M. (author), Popescu, M. (author), Gao, J.R. (author), Hoevers, H. (author) conference paper 2010
- document
-
Khosropanah, P. (author), Baryshev, A. (author), Zhang, W. (author), Jellema, W. (author), Hovenier, J.N. (author), Gao, J.R. (author), Klapwijk, T.M. (author), Paveliev, D.G. (author), Williams, B.S. (author), Kumar, S. (author), Hu, Q. (author), Reno, J.L. (author), Klein, B. (author), Hesler, J.L. (author)We demonstrate the phase locking of a 2.7 THz metal–metal waveguide quantum cascade laser (QCL) to an external microwave signal. The reference is the 15th harmonic, generated by a semiconductor superlattice nonlinear device, of a signal at 182 GHz, which itself is generated by a multiplier chain (x12) from a microwave synthesizer at ~15 GHz....journal article 2009
- document
-
Ramakrishnan, G. (author), Chakkittakandy, R. (author), Planken, P.C.M. (author)Generation of subpicosecond terahertz pulses is observed when graphite surfaces are illuminated with femtosecond near-infrared laser pulses. The nonlinear optical generation of THz pulses from graphite is unexpected since, in principle, the material possesses a centre of inversion symmetry. Experiments with highly oriented pyrolytic graphite...journal article 2009
Pages
- 1
- 2