Search Results - "Rahmati, A"

STARS WERE BORN IN SIGNIFICANTLY DENSER REGIONS IN THE EARLY UNIVERSE by Shirazi, M, Brinchmann, J, Rahmati, A

“…The density of the warm ionized gas in high-redshift galaxies is known to be higher than what is typical in local galaxies on similar scales. At the same time,…”
Get full text

Phase-Shifted Carrier PWM Technique for General Cascaded Inverters by Naderi, R., Rahmati, A.

“…Phase-shifted carrier (PSC) pulsewidth modulation (PWM) in its conventional form is a good solution for single-phase Cascaded inverters as alternative phase…”
Get full text

Developing a supplier selection model based on Markov chain and probability tree for a k-out-of-N system with different quality of spare parts by Farhadi, Mohammad, Shahrokhi, Mahmoud, Rahmati, Seyed Habib A

“…•Investigating a k-out-of-N system to minimize costs of spare parts supplying.•Considering quality of spares part.•Quality and cost tradeoff of…”
Get full text

Reactive DC magnetron sputter deposited Ti–Cu–N nano-composite thin films at nitrogen ambient by Rahmati, A.

“…Ti–Cu–N thin films have been grown on Si(111), KBr (potassium bromide), quartz and glass slide substrates using a TiCu (13:87 at. %) single multi-component…”
Get full text

Parker Solar Probe Enters the Magnetically Dominated Solar Corona by Kasper, J C, Klein, K G, Lichko, E, Huang, Jia, Chen, C H K, Badman, S T, Bonnell, J, Whittlesey, P L, Livi, R, Larson, D, Pulupa, M, Rahmati, A, Stansby, D, Korreck, K E, Stevens, M, Case, A W, Bale, S D, Maksimovic, M, Moncuquet, M, Goetz, K, Halekas, J S, Malaspina, D, Raouafi, Nour E, Szabo, A, MacDowall, R, Velli, Marco, Dudok de Wit, Thierry, Zank, G P

“…The high temperatures and strong magnetic fields of the solar corona form streams of solar wind that expand through the Solar System into interstellar space…”
Get full text

A novel integrated condition-based maintenance and stochastic flexible job shop scheduling problem: simulation-based optimization approach by Rahmati, Seyed Habib A., Ahmadi, Abbas, Govindan, Kannan

“…Integrated consideration of production planning and maintenance processes is a real world assumption. Specifically, by improving the monitoring equipment such…”
Get full text

Implantation of Martian atmospheric ions within the regolith of Phobos by Nénon, Q., Poppe, A. R., Rahmati, A., McFadden, J. P.

“…When a planet has an orbiting moon, atoms and molecules that escape the planetary atmosphere as ions and are accelerated into space may be implanted and…”
Get full text

Magnetic Reconnection in the Ionosphere of Mars: The Role of Collisions by Cravens, T. E., Fowler, C. M., Brain, D., Rahmati, A., Xu, S., Ledvina, S. A., Andersson, L., Renzaglia, A. R.

“…This paper evaluates the role of magnetic reconnection in the dayside ionosphere of Mars in the collisional regime and presents some relevant data from the…”
Get full text

Near-Sun In Situ and Remote-sensing Observations of a Coronal Mass Ejection and its Effect on the Heliospheric Current Sheet by Romeo, O. M., Braga, C. R., Badman, S. T., Larson, D. E., Stevens, M. L., Huang, J., Phan, T., Rahmati, A., Livi, R., Alnussirat, S. T., Whittlesey, P. L., Szabo, A., Klein, K. G., Niembro-Hernandez, T., Paulson, K., Verniero, J. L., Lario, D., Raouafi, N. E., Ervin, T., Kasper, J., Pulupa, M., Bale, S. D., Linton, M. G.

“…Abstract During the thirteenth encounter of the Parker Solar Probe (PSP) mission, the spacecraft traveled through a topologically complex interplanetary…”
Get full text

Shear-thinning and self-healing nanohybrid alginate-graphene oxide hydrogel based on guest-host assembly by Soltani, S., Emadi, R., Javanmard, S. Haghjoo, Kharaziha, M., Rahmati, A.

“…The study aims to develop a novel nanohybrid shear-thinning hydrogel with fast gelation, and variable mechanical and biological properties. This nanohybrid…”
Get full text

An enhanced fuzzy controller based on improved genetic algorithm for speed control of DC motors by Lotfy, A., Kaveh, M., Mosavi, M. R., Rahmati, A. R.

“…Because of being imprecision and existence of uncertainty in input variables to fuzzy systems, and also their easy implementation, fuzzy controllers are…”
Get full text

Experimental study on the effect of copper oxide nanoparticles on thermophysical properties of ethylene glycol–water for using in indirect heater at city gate stations by Rahmati, A. R., Reiszadeh, M.

“…This study aimed to investigate the increase in heat transfer in the indirect heater at a city gate station (CGS) with the addition of copper oxide (CuO)…”
Get full text

MAVEN measured oxygen and hydrogen pickup ions: Probing the Martian exosphere and neutral escape by Rahmati, A., Larson, D. E., Cravens, T. E., Lillis, R. J., Halekas, J. S., McFadden, J. P., Dunn, P. A., Mitchell, D. L., Thiemann, E. M. B., Eparvier, F. G., DiBraccio, G. A., Espley, J. R., Mazelle, C., Jakosky, B. M.

“…Soon after the MAVEN (Mars Atmosphere and Volatile EvolutioN) spacecraft started orbiting Mars, the SEP (Solar Energetic Particle), SWIA (Solar Wind Ion…”
Get full text

MAVEN SEP Observations of Scorpius X‐1 X‐Rays at Mars: A Midatmosphere Occultation Analysis Technique by Rahmati, A., Larson, D. E., Cravens, T. E., Lillis, R. J., Lee, C. O., Dunn, P. A.

“…We report on the first observations of atmospheric occultations at Mars of ~10 keV X‐rays from an extrasolar source identified as Scorpius X‐1. The…”
Get full text

Estimates of Proton and Electron Heating Rates Extended to the Near-Sun Environment by Bandyopadhyay, R., Meyer, C. M., Matthaeus, W. H., McComas, D. J., Cranmer, S. R., Halekas, J. S., Huang, J., Larson, D. E., Livi, R., Rahmati, A., Whittlesey, P. L., Stevens, M. L., Kasper, J. C., Bale, S. D.

“…Abstract A central problem of space plasma physics is how protons and electrons are heated in a turbulent, magnetized plasma. The differential heating of…”
Get full text

Dynamic synthesis of the alpha-type stirling engine based on reducing the output velocity fluctuations using Metaheuristic algorithms by Rahmati, A., Varedi-Koulaei, S.M., Ahmadi, M.H., Ahmadi, H.

“…As an external combustion engine, the Stirling engine has low noise and can also easily use renewable and modern energies, such as solar energy. In this study,…”
Get full text

Anterograde Collisional Analysis of Solar Wind Ions by Johnson, E., Maruca, B. A., McManus, M., Klein, K. G., Lichko, E. R., Verniero, J., Paulson, K. W., DeWeese, H., Dieguez, I., Qudsi, R. A., Kasper, J., Stevens, M., Alterman, B. L., III, L. B. Wilson, Livi, R., Rahmati, A., Larson, D.

“…Owing to its low density and high temperature, the solar wind frequently exhibits strong departures from local thermodynamic equilibrium, which include…”
Get full text

Test Particle Model Predictions of SEP Electron Transport and Precipitation at Mars by Jolitz, R. D., Dong, C. F., Rahmati, A., Brain, D. A., Lee, C. O., Lillis, R. J., Curry, S. M., Jakosky, B. M.

“…Extreme space weather events can episodically release solar energetic particles (SEPs) that precipitate into planetary atmospheres, leading to aurora and…”
Get full text

Protection of power transformer using multi criteria decision-making by Rahmati, A., Sanaye-Pasand, M.

“…•We proposed an overall protection scheme for power transformers.•REF relay and directional check unit are combined with the differential relay.•The proposed…”
Get full text

Likely Common Coronal Source of Solar Wind and 3He-enriched Energetic Particles: Uncoupled Transport from the Low Corona to 0.2 au by Mitchell, D. G., Hill, M. E., McComas, D. J., Cohen, C. M. S., Schwadron, N. A., Mostafavi, P. S., Matthaeus, W. H., Raouafi, N. E., Al-Nussirat, S. T., Larson, D. E., Rahmati, A., Kasper, J. C., Whittlesey, P. L., Livi, R., Bale, S. D., Pulupa, M., Giacalone, J., McNutt, R. L., Christian, E. R., Wiedenbeck, M. E., Sharma, T.

“…Parker Solar Probe (PSP) observations of a small dispersive event on 2022 February 27 and 28 indicate scatter-free propagation as the dominant transport…”
Get full text