Results 61 to 70 of about 35,902 (340)

Evaluation of the Potential of Laser Shock Peening Compared with Cold Expansion for Improving Fatigue Resistance of Riveted Lap Joints of Aerospace Grade 7175 Al Alloy

Advanced Engineering Materials, EarlyView.
This study investigates laser shock peening for enhancing fatigue performance of riveted aerospace aluminum joints. A comparative approach with cold expansion combines fatigue testing and synchrotron X‐ray methods. Integrating mechanical testing with residual stress and strain characterization provides insights into how different treatments affect the ...
Ogün Baris Tapar, David Osman Busse, Maximilian Sprengel, Domenico Furfari, Marc‐André Nielsen, Guilherme Abreu Faria, Jérémy Epp   +6 more
wiley   +1 more source

Three-dimensional GRMHD Simulations of Neutron Star Jets

The Astrophysical Journal Letters
Neutron stars and black holes in X-ray binaries are observed to host strong collimated jets in the hard spectral state. Numerical simulations can act as a valuable tool in understanding the mechanisms behind jet formation and its properties.
Pushpita Das, Oliver Porth
doaj   +1 more source

A Unified Model for Bipolar Outflows from Young Stars: Kinematic Signatures of Jets, Winds, and Their Magnetic Interplay with the Ambient Toroids

The Astrophysical Journal, 2023
Kinematic signatures of the jet, winds, multicavities, and episodic shells arising in the unified model of bipolar outflows developed in Shang et al.
Hsien Shang, Chun-Fan Liu, Ruben Krasnopolsky, Liang-Yao Wang   +3 more
doaj   +1 more source

Can Protostellar Jets Drive Supersonic Turbulence in Molecular Clouds?

, 2007
Jets and outflows from young stellar objects are proposed candidates to drive supersonic turbulence in molecular clouds. Here, we present the results from multi-dimensional jet simulations where we investigate in detail the energy and momentum deposition
Blandford R. D., Christian Fendt, Downes T. P., Gueth F., Henney W. J., Klessen R. S., Knee L. B. G., Micono M., Mundt R., O'Sullivan S., Raga A. C., Ralf S. Klessen, Robi Banerjee, Smith M. D., Warin S.   +14 more
core   +1 more source

Is Young's Modulus a Critical Coating Property Determining Fouling‐Release Performance of Marine Coatings?

Advanced Engineering Materials, EarlyView.
The release of foulers from protective marine coatings is determined by several interrelated material properties, including the strength of Young's modulus, the flexibility of chain segments, the surface free energy, and the magnitude of hydrodynamic stress.
Johann C. Schaal, Andreas Brinkmann, Andreas Hartwig   +2 more
wiley   +1 more source

A Novel Method of Modeling Extended Emission of Compact Jets: Application to Swift J1727.8−1613

The Astrophysical Journal Letters
Flat radio spectra of compact jets launched by both supermassive and stellar-mass black holes (BHs) are explained by an interplay of self-absorbed synchrotron emission up to some distance along the jet and optically thin synchrotron at larger distances ...
Andrzej A. Zdziarski, Callan M. Wood, Francesco Carotenuto   +2 more
doaj   +1 more source

An Inkjet‐Printed Platinum‐Based Temperature Sensing Element on Polyimide Substrates

Advanced Engineering Materials, EarlyView.
An inkjet‐printed, meander‐structured, nanoparticle platinum‐based resistive temperature sensors on polyimide substrates are demonstrated as proof‐of‐concept. Optimized sintering at 250°C enables stable conductive structures. The Pt100‐ and Pt1000‐type sensors exhibit linear resistance–temperature characteristics with stable TCR in the 20°C–80°C range,
Shawon Alam, Thomas Kister, Alexander Scholz, Sophie Sauva, Makara Lay, Tobias Kraus, Jasmin Aghassi‐Hagmann   +6 more
wiley   +1 more source

Searching for Molecular Jets from High-mass Protostars

The Astrophysical Journal Supplement Series, 2023
We report Very Large Array observations in the Q band toward 10 ionized jet candidates to search for SiO emission, a well-known shocked gas tracer. We detected 7 mm continuum counterparts toward 90% of the jet candidates. In most cases, the jet candidate
Tatiana M. Rodríguez, Peter Hofner, Isaac Edelman, Esteban D. Araya, Viviana Rosero   +4 more
doaj   +1 more source

Design and Prototyping of Topology‐Optimized, Additively Manufactured Lightweight Components for Space Robotic Systems: A Case Study

Advanced Engineering Materials, EarlyView.
The results demonstrate a simulation‐driven workflow that applies LSB topology optimization with additive manufacturing constraints to mission‐specific load cases, integrating European Cooperation for Space Standardization compliant verification and manufacturability to develop structurally efficient rover suspension components.
Stelios K. Georgantzinos, Grigorios Kostopoulos, Eleni Papadopoulou, Stefanos Voulgaris, Alexandra Tseni, Panteleimon Bakalis, Maria N. Gkara, Chara Ch. Mitropoulou, Georgios Kazakis, Alin Munteanu, Jeremi Gancet, Nikos D. Lagaros   +11 more
wiley   +1 more source

On the interaction of microquasar jets with stellar winds

, 2008
Strong interactions between jets and stellar winds at binary system spatial scales could occur in high-mass microquasars. We study here, mainly from a dynamical but also a radiative point of view, the collision between a dense stellar wind and a mildly ...
Aharonian, Aharonian, Aharonian, Aharonian, Aharonian, Albert, Aloy, Araudo, Begelman, Begelman, Bell, Bosch-Ramon, Bosch-Ramon, Bykov, Casares, Christiansen, Derishev, Drury, Fermi, Gabici, Gies, Gómez, Hardee, Heindl, Heinz, Heinz, Heinz, Kaiser, Kaiser, Kang, Khangulyan, Komissarov, Krause, Leismann, M. Perucho, Marshall, Martí, Martí, Mirabel, Mizuno, Orellana, Owocki, Paredes, Perucho, Perucho, Peter, Puls, Rees, Ribó, Rieger, Romero, Romero, Romero, Rosen, Scheck, Tsinganos, Tzioumis, V. Bosch-Ramon, van der Laan, Velázquez, Zealey   +60 more
core   +1 more source