Search Results - "Chelaru, Adrian"

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  1. 1

    Stability of Single-Channel Homing Rolling Aerospace Vehicle by Chelaru, Teodor-Viorel, Constantinescu, Cristian Emil, Pană, Valentin, Ene, Costin, Chelaru, Adrian

    Published in Aerospace (01-08-2024)
    “…This paper aims to analyze the stability of a special class of single-channel slow-rotating homing missiles using the Frank–Wall stability criterion. To…”
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    Journal Article
  2. 2

    Parachute systems for the atmospheric reentry of launcher upper stages by Dobrescu, Bogdan, Blideran, Radu, Chelaru, Adrian

    Published in INCAS bulletin (2017)
    “…Parachute systems can be used to control the reentry trajectory of launcher upper stages, in order to lower the risks to the population or facilitate the…”
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    Journal Article
  3. 3

    Built-Up Area Change Analysis in Iasi City Using GIS by Ursu, Adrian, Andrei, Marius, Chelaru, Dan Adrian, Ichim, Pavel

    “…The study analyses the spatial and temporal changes occurred in the builtup area of Iași city and its surrounding areas using cartographic materials from…”
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    Journal Article
  4. 4

    Small Orbital Launcher - Risk Zone Evaluation by Chelaru, Teodor Viorel, Chelaru, Adrian, Onel, Alexandru Iulian

    Published in INCAS bulletin (10-09-2015)
    “…The purpose of this paper is to present some aspects regarding two calculus models to evaluate the risk zone of the multistage launcher. Regarding the risk…”
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    Journal Article
  5. 5

    Attitude Control Synthesis for Small Satellites Using Gradient Method Part II Linear Equations, Synthesis by Chelaru, Teodor-Viorel, Stoica, Adrian-Mihail, Chelaru, Adrian

    Published in INCAS bulletin (01-01-2013)
    “…In order to continue paper [5] which presented the nonlinear equations of the movement for small satellite, this paper presents some aspects regarding the…”
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    Journal Article
  6. 6

    Attitude Control Synthesis for Small Satellites Using Gradient Method. Part I - Nonlinear Equations by Chelaru, Teodor-Viorel, Stoica, Adrian-Mihail, Chelaru, Adrian

    Published in INCAS bulletin (10-12-2012)
    “…The paper presents some aspects for synthesis of small satellites attitude control. The satellite nonlinear model presented here will be with six degrees of…”
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    Journal Article
  7. 7

    Experimental results and numerical simulations for transonic flow over the ONERA M4R model by Bobonea, Andreea, Niculescu, Mihai Leonida, Pricop, Mihai Victor, Chelaru, Adrian, Munteanu, Florin, Cojocaru, Marius Gabriel

    Published in INCAS bulletin (07-06-2013)
    “…This paper presents a comparison between experimental results and numerical results of transonic flow over the ONERA M4R calibration model obtained in the…”
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    Journal Article
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  9. 9

    Determining rural areas vulnerable to illegal dumping using GIS techniques. Case study: Neamt county, Romania by Mihai, Florin-Constantin, Ursu, Adrian, Ichim, Pavel, Chelaru, Dan-Adrian

    Published 02-07-2015
    “…13th International Multidisciplinary Scientific GeoConference on ECOLOGY, ECONOMICS, EDUCATION AND LEGISLATION, SGEM 2013 Conference Proceedings vol 1 :…”
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    Journal Article
  10. 10

    Soundscape in North-Eastern Part of Iasi City (Sararie – Ticau District) by Oiste, Ana-Maria, Mihai, Florin Constantin, Dan-Adrian, Chelaru

    “…This paper presents a complex study of noise levels from road traffic source and the variation during the seasons in an old residential area located in the…”
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    Journal Article
  11. 11

    SPATIAL ANALYSIS OF FORESTED AREA DYNAMICS IN BISTRIŢA VALLEY - SUBCARPATHIAN SECTOR by Dan-Adrian Chelaru, Liviu Apostol, Adrian Ursu

    “…The paper is based on diachronic analysis of historical maps from different periods, in order to capture more accurately the evolution of the forest landscape…”
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    Journal Article
  12. 12

    Reaction Control System using hybrid micro-thrusters for guided sounding rocket by Chelaru, Teodor Viorel, Chelaru, Adrian

    “…The paper intend to develop a calculus model for an innovative Reaction Control System (RCS) using hybrid rocket engine technology. Our RCS uses several hybrid…”
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    Conference Proceeding
  13. 13

    The reaction control system based on cold gas for attitude control of a testing launcher by Chelaru, Teodor-Viorel, Pana, S. L. Valentin, Chelaru, Adrian

    “…The paper presents some aspects regarding the mathematical model for a reaction control system based on cold gas used for attitude control of testing launcher…”
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    Conference Proceeding
  14. 14

    Mathematical model in quasi-velocity frame for small launcher, technical solutions by Chelaru, Teodor-Viorel, Barbu, Cristian, Chelaru, Adrian

    “…The purpose of this paper is to present some aspects regarding the mathematical model and technical solutions for small multistage launcher for used for…”
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    Conference Proceeding Journal Article
  15. 15

    Mathematical model for small launcher, performances evaluation by Chelaru, Teodor-Viorel, Pana, S. L. Valentin, Chelaru, Adrian

    “…The paper presents some aspects regarding the mathematical model and performance evaluation for a four stages small launcher. This work uses two separate…”
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    Conference Proceeding
  16. 16

    Using GIS in the Assessment of Landscape Visual Quality: a Methodological Approach Applied to Piatra Neamt, Romania/Utilizarea tehnicilor GIS în evaluarea calitatii vizuale a peisajului: o abordare metodologica aplicata la Piatra Neamt, România by Chelaru, Dan-Adrian, Plescan, Sergiu

    Published in Geographical phorum (01-06-2012)
    “…This study demonstrates the feasibility of using GIS in the assessment of landscape visual quality. Based on the digital elevation model achieved by processing…”
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    Journal Article
  17. 17
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    Reaction control system using hybrid micro-thrusters, theoretical and experimental results by Chelaru, Teodor-Viorel, Chelaru, Adrian, Enache, Vasile

    “…This paper develop a calculus model based on dedicated experiment for an innovative Reaction Control System (RCS) using hybrid rocket engine technology. Our…”
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    Conference Proceeding Journal Article
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    Mathematical model and technical solutions for suborbital launcher for testing by Teodor, Teodor Viorel, Barbu, Cristian, Chelaru, Adrian

    “…The paper purpose is to dignify some aspects regarding the calculus model and technical solutions for multistage suborbital launcher for testing (SLT) used to…”
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    Conference Proceeding