257 research outputs found

    À propos de Coulmaine = Condomine. Lettres de M. Alb. Colombet

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    Colombet Albert. À propos de Coulmaine = Condomine. Lettres de M. Alb. Colombet. In: Revue Internationale d'Onomastique, 18e année N°4, décembre 1966. pp. 307-311

    À propos de Coulmaine = Condomine. Lettres de M. Alb. Colombet

    No full text
    Colombet Albert. À propos de Coulmaine = Condomine. Lettres de M. Alb. Colombet. In: Revue Internationale d'Onomastique, 18e année N°4, décembre 1966. pp. 307-311

    Écheintre ne peut venir de cancellu, qui a donné chanceau. Lettre de M. Albert Colombet

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    Colombet Albert. Écheintre ne peut venir de cancellu, qui a donné chanceau. Lettre de M. Albert Colombet. In: Revue Internationale d'Onomastique, 16e année N°1, mars 1964. pp. 69-71

    Algoritmi di motion cuening per simulatori di veicolo

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    La necessità di sviluppare un sistema che controlli in modo intelligentemente un simulatore di guida è un argomento che si sta sempre più sviluppando negli ultimi anni. Dato un certo riferimento proveniente da una simulazione virtuale, l’obiettivo di inseguire al meglio la traiettoria è limitata dal fatto che la struttura hai dei vincoli in posizione. Fin dai primi anni 70 algoritmi di motion cuieng erano basati su una combinazione di filtri. L’uso di un controllo MPC vuole portare un approccio metodologico, attraverso l’inserimento in un modello della piattaforma e del modello percettivo umano, nel inseguimento di una traiettoria di accelerazione desiderata anche utilizzando metodi come tilt-coordination e washout filte

    Experiments and modelling of a draft tube airlift reactor operated at high gas throughputs

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    One-dimensional modelling of global hydrodynamics and mass transfer is developed for an annulus sparged draft tube airlift reactor operating at high gas throughputs. In a first part, a specific closure law for the mean slip velocity of bubbles in the riser is proposed according for, in one hand, the collective effects on bubble rise velocity and, in the other hand, the size of the liquid recirculation in the airlift riser. This global hydrodynamics model is found towel explain the global gas volume fraction measurements in the airlift riser for a wide range of superficial gas velocity (0.6 ≤ Jg ≥10 cm sˉ¹). In a second part, mass transfer in the airlift has been studied by using the gassing-out method and a dual-tip optical probe to measure the bubble size distributions. As for bubble columns, in such airlift, the volumetric mass transfer coefficient appears to be quite proportional to the gas superficial velocity. Finally, as in Colombet et al. (2011), mass transfer at the bubble scale seems to be weakly influenced by an increase of gas volume fraction

    Coupled simulator for research on the interaction between pedestrians and (automated) vehicles

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    Driving simulators are regarded as valuable tools for human factors research on automated driving and traffic safety. However, simulators that enable the study of human-human interactions are rare. In this study, we present an open-source coupled simulator developed in Unity. The simulator supports input from head-mounted displays, motion suits, and game controllers. It facilitates research on interactions between pedestrians and humans inside manual and automated vehicles. We present results of a demo experiment on the interaction between a passenger in an automated car equipped with an external human-machine interface, a driver of a manual car, and a pedestrian. We conclude that the newly developed open-source coupled simulator is a promising tool for future human factors research.Green Open Access added to TU Delft Institutional Repository 'You share, we take care!' - Taverne project https://www.openaccess.nl/en/you-share-we-take-care Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.Human-Robot InteractionMedical Instruments & Bio-Inspired Technolog

    Visual Scale Factor for Speed Perception

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    Speed perception is an important task depending mainly on optic flow that the driver must perform continuously to control his/her vehicle. Unfortunately it appears that in some driving simulators speed perception is under estimated, leading into speed production higher than in real conditions. Perceptual validity is then not good enough to study driver’s behavior. To solve this problem, a technique has recently seen the light, which consists of modifying the geometric field of view (GFOV) while keeping the real field of view (FOV) constant. We define our visual scale factor as the ratio between the GFOV and the FOV. The present study has been carried out on the SAAM dynamic driving simulator and aims at determining the precise effect of this visual scale factor on the speed perception. 20 subjects have reproduced 2 speeds (50 km/h and 90 km/h) without knowing the numerical values of these consigns, with 5 different visual scale factors: 0.70, 0.85, 1.00, 1.15 and 1.30. We show that speed perception significantly increases when the visual factor increases. A 0.15 modification of this factor is enough to obtain a significant effect. Furthermore, the relative variation of the speed perception is proportional to the visual scale factor. Besides, the modification of the geometric field of view remained unnoticed by all the subjects, which implies that this technique can be easily used to make drivers reduce their speed in driving simulation conditions. However, this technique may also modify perception of distances

    Iacobi Cuiacii IC. praestantissimi Operum postumorum quae de iure reliquit, tomus primus [-quartus]... a mendis quibus anteÁ  scatebant pene innumeris repurgatae, partim ope M. S. Codicum, in primis vero studio Th. Guerini, & Cl. Colombet iurisc

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    Copia digital. España : Ministerio de Cultura y Deporte. Subdirección General de Coordinación bibliotecaria, 2018Sign: a4, 2A-3L6, 3M4, 3N2, A-2K6, 2L4, 2M2 ; *4, A-2A4, 3A-3F6, 3G4, a-s6, a-c6, A-Z6, 2A-2B4, 2A-2B6 ; Sign.: []2, A-5T6, 5V4 ; *4, 2*8, A-3Z6, A-T6Port. a dos tintas con grab. calc. de retratoTexto a dos col.Contiene: Tomus primus: sive Papinianus; quo continentur ad universa Papiniani opera, quae in Pandectis supersunt, recitatationes acutissimae ; Tomus secundus. Sive Julius Paulus, id est a IulÁ¿ Pauli. Libr. ad Edictum, & Libr. quaestionum... ; Tomus tertius. Sive ad diversos titulos Pandectarum recitationes absolutissimae, non solÁ¹m quae anteÁ  fuerunt editae sed & aliae pleraeque de novo adiectae, ut tertia pagina docebit.. ; Tomus quartus : Sive codex justinianus, idest, ad codicem instinianum, & lib. II. III. & IV. decretalium Gregorii recitationes selemnes, non solum emendatiores ijs omnibus quae antea in lucem prodierunt, sed & longè auctiores, ut ex sequenti pagina constabit.

    Data in: Microbial parasites influence food-web persistence and stability during a cyanobacteria outbreak

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    Data used in a food-web model (Linear Inverse Model) for a microbial ecosystem in Lake Aydat (45°39’48’’N, 002°59’04’’E) as published in ISME Journal (Haraldsson et al. in press). Samples were collected every 3 days from the 9th of September to the 27th of October 2010, resulting in 17 sampling occasions. Two discrete depths were sampled during each sampling date, 1) at a constant discrete subsurface depth at 0.5 m (referred to as “upper” depth), and 2) from 1 to 4 m depth depended on the maximum depth of fluorescence determined in situ from the vertical pigment profiles obtained by a BBE Fluoroprobe®, Moldaenke, Germany (referred to as “lower” depth). The two depths were averaged and depth integrated based on the epilimnon depth. Data includes biomasses and abundances for several planktonic organisms, including viruses and bacteria, and infection parameters related to viral infections of bacteria and phytoplankton, as well as infection of Dolichospermum macrosporum by parasitic chytrids. The depth integrated average value of the epi- and metalimnon (m-2) are reported here since these were the data used directly in the food-web model (codes given within parenthesis below corresponds to the codes reported in Haraldsson et al. (in press)), and where relevant, values from epi- and metalimnon are reported (typically in cubic meter, m-3). The species or genus specific biomasses of zooplankton were used to calculate diet constraints in the food-web model. The complete list of depth integrated biomasses, the sampling procedures and data description of each variable are described in detail in Haraldsson et al. (in press). Variable description can be found in the document “Haraldsson et al_Data description.pdf”. References: Haraldsson M, Gerphagnon M, Bazin P, Colombet J, Tecchio S, Sime-Ngando T, Niquil N. Microbial parasites make cyanobacteria blooms less of a trophic dead-end than commonly assumed. ISME Journal (in press) Behrenfeld MJ, Falkowski PG (1997). A consumer’s guide to phytoplankton primary production models. Limnology and Oceanography 42:1479-149
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