Search Results - "PERINI, Federico"

Design, Implementation, and Characterization of a Signal Acquisition Chain for SADino: The Precursor of the Italian Low-Frequency Telescope Named the Sardinia Aperture Array Demonstrator (SAAD) by Ladu, Adelaide, Schirru, Luca, Pili, Mauro, Vargiu, Gian Paolo, Gaudiomonte, Francesco, Perini, Federico, Melis, Andrea, Concu, Raimondo, Murgia, Matteo

“…Low-frequency aperture arrays represent sensitive instruments to detect signals from radio astronomic sources situated in the universe. In Italy, the Sardinia…”
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Intercontinental comparison of optical atomic clocks through very long baseline interferometry by Pizzocaro, Marco, Sekido, Mamoru, Takefuji, Kazuhiro, Ujihara, Hideki, Hachisu, Hidekazu, Nemitz, Nils, Tsutsumi, Masanori, Kondo, Tetsuro, Kawai, Eiji, Ichikawa, Ryuichi, Namba, Kunitaka, Okamoto, Yoshihiro, Takahashi, Rumi, Komuro, Junichi, Clivati, Cecilia, Bregolin, Filippo, Barbieri, Piero, Mura, Alberto, Cantoni, Elena, Cerretto, Giancarlo, Levi, Filippo, Maccaferri, Giuseppe, Roma, Mauro, Bortolotti, Claudio, Negusini, Monia, Ricci, Roberto, Zacchiroli, Giampaolo, Roda, Juri, Leute, Julia, Petit, Gérard, Perini, Federico, Calonico, Davide, Ido, Tetsuya

“…The comparison of distant atomic clocks is foundational to international timekeeping, global positioning and tests of fundamental physics. Optical-fibre links…”
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A high resolution melting method for the molecular identification of the potentially toxic diatom Pseudo-nitzschia spp. in the Mediterranean Sea by Pugliese, Laura, Casabianca, Silvia, Perini, Federico, Andreoni, Francesca, Penna, Antonella

“…The aim of this study was to develop and validate a high resolution melting (HRM) method for the rapid, accurate identification of the various harmful diatom…”
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Upgrading of the L-P Band Cryogenic Receiver of the Sardinia Radio Telescope: A Feasibility Study by Ladu, Adelaide, Schirru, Luca, Gaudiomonte, Francesco, Marongiu, Pasqualino, Angius, Gianmarco, Perini, Federico, Vargiu, Gian Paolo

“…The Sardinia Radio Telescope is a quasi-Gregorian system with a shaped 64 m diameter primary reflector and a 7.9 m diameter secondary reflector. It was…”
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New approach using the real-time PCR method for estimation of the toxic marine dinoflagellate Ostreopsis cf. ovata in marine environment by Perini, Federico, Casabianca, Anna, Battocchi, Cecilia, Accoroni, Stefano, Totti, Cecilia, Penna, Antonella

“…We describe the development and validation of a new quantitative real time PCR (qrt-PCR) method for the enumeration of the toxic benthic dinoflagellate…”
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Progress toward understanding vortex generation in stepped-lip diesel engine combustion chambers by Busch, Stephen, Perini, Federico

“…Stepped-lip diesel pistons can enhance in-cylinder vortex formation and thereby improve the thermal efficiency and emissions behavior of a diesel engine…”
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Monitoring toxic Ostreopsis cf. ovata in recreational waters using a qPCR based assay by CASABIANCA, Silvia, PERINI, Federico, CASABIANCA, Anna, BATTOCCHI, Cecilia, GIUSSANI, Valentina, CHIANTORE, Mariachiara, PENNA, Antonella

“…Ostreopsis sp. is a toxic marine benthic dinoflagellate that causes high biomass blooms, posing a threat to human health, marine biota and aquaculture…”
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Analysis of rRNA gene content in the Mediterranean dinoflagellate Alexandrium catenella and Alexandrium taylori: implications for the quantitative real-time PCR-based monitoring methods by Galluzzi, Luca, Bertozzini, Elena, Penna, Antonella, Perini, Federico, Garcés, Esther, Magnani, Mauro

“…A number of species belonging to the genus Alexandrium are among the main toxic microalgae responsible for Harmful Algal Blooms (HABs). The monitoring of…”
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Test-Driven Design of an Active Dual-Polarized Log-Periodic Antenna for the Square Kilometre Array by Bolli, Pietro, Mezzadrelli, Lorenzo, Monari, Jader, Perini, Federico, Tibaldi, Alberto, Virone, Giuseppe, Bercigli, Mirko, Ciorba, Lorenzo, Di Ninni, Paola, Labate, Maria Grazia, Loi, Vittorio Giuseppe, Mattana, Andrea, Paonessa, Fabio, Rusticelli, Simone, Schiaffino, Marco

“…An active dual-polarized Log-Periodic antenna has been designed to meet the requirements of the low-frequency (50 - 350 MHz) radio telescope of the Square…”
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A broadband VLBI system using transportable stations for geodesy and metrology: an alternative approach to the VGOS concept by Sekido, Mamoru, Takefuji, Kazuhiro, Ujihara, Hideki, Kondo, Tetsuro, Tsutsumi, Masanori, Kawai, Eiji, Hachisu, Hidekazu, Nemitz, Nils, Pizzocaro, Marco, Clivati, Cecilia, Perini, Federico, Negusini, Monia, Maccaferri, Giuseppe, Ricci, Roberto, Roma, Mauro, Bortolotti, Claudio, Namba, Kunitaka, Komuro, Jun’ichi, Ichikawa, Ryuichi, Suzuyama, Tomonari, Watabe, Ken-ichi, Leute, Julia, Petit, Gérard, Calonico, Davide, Ido, Tetsuya

“…We have developed a broadband VLBI (very long baseline interferometry) system inspired by the concept of the VLBI Global Observing System (VGOS). The new…”
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SxtA and sxtG gene expression and toxin production in the Mediterranean Alexandrium minutum (Dinophyceae) by Perini, Federico, Galluzzi, Luca, Dell'Aversano, Carmela, Iacovo, Emma Dello, Tartaglione, Luciana, Ricci, Fabio, Forino, Martino, Ciminiello, Patrizia, Penna, Antonella

“…The dinoflagellate Alexandrium minutum is known for the production of potent neurotoxins affecting the health of human seafood consumers via paralytic…”
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Ageing Characterization Under Thermal Test of a Receiver Unit for a Radio Telescope by Catelani, Marcantonio, Ciani, Lorenzo, Patrizi, Gabriele, Singuaroli, Roberto, Monari, Jader, Perini, Federico

“…The Square Kilometer Array low (SKAlow) is an outstanding project aiming at building the world's largest and most sensitive radio telescope. The Australian…”
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Modeling the Ignitability of a Pilot Injection for a Diesel Primary Reference Fuel: Impact of Injection Pressure, Ambient Temperature and Injected Mass by Federico, Perini, Sahoo, Dipankar, Miles, Paul, Reitz, Rolf

“…In this paper, we studied the accuracy of computational modeling of the ignition of a pilot injectionin the Sandia National Laboratories (SNL) light-duty…”
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High-dimensional, unsupervised cell clustering for computationally efficient engine simulations with detailed combustion chemistry by Perini, Federico

“…► Reduction of the computational efforts due to chemistry in CFD modeling. ► A new bounding-box-constrained k-means clustering algorithm is presented. ►…”
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Investigation of post-injection strategies for diesel engine Catalyst Heating Operation using a vapor-liquid-equilibrium-based spray model by Perini, Federico, Busch, Stephen, Reitz, Rolf Deneys

“…[Display omitted] •An Improved Peng-Robinson EoS-based phase equilibrium solver, for mixtures with many real-gas components.•An Improved EP model with…”
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An Analytical Jacobian Approach to Sparse Reaction Kinetics for Computationally Efficient Combustion Modeling with Large Reaction Mechanisms by Perini, Federico, Galligani, Emanuele, Reitz, Rolf D

“…This study presents an analytical Jacobian formulation for detailed gas-phase reaction kinetics, suitable for accurate and computationally efficient combustion…”
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Investigation of post-injection strategies for diesel engine Catalyst Heating Operation using a vapor-liquid-equilibrium-based spray model by Perini, Federico, Busch, Stephen, Reitz, Rolf Deneys

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Improved atomization, collision and sub-grid scale momentum coupling models for transient vaporizing engine sprays by Perini, Federico, Reitz, Rolf D.

“…•Grid-independent kd-tree and tetrahedralized ROI collision model up to 2 orders of magnitude faster.•Improvements: fully resolved blob injection model and…”
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Fast approximations of exponential and logarithm functions combined with efficient storage/retrieval for combustion kinetics calculations by Perini, Federico, Reitz, Rolf D.

“…We developed two approaches to speed up combustion chemistry simulations by reducing the amount of time spent computing exponentials, logarithms, and complex…”
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A study of direct and Krylov iterative sparse solver techniques to approach linear scaling of the integration of chemical kinetics with detailed combustion mechanisms by Perini, Federico, Galligani, Emanuele, Reitz, Rolf D.

“…The integration of the stiff ODE systems associated with chemical kinetics is the most computationally demanding task in most practical combustion simulations…”
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