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Mon, 19 Mar 2018 10:39:02 +0000
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Thu, 15 Mar 2018 03:13:13 +0000
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Thu, 15 Mar 2018 02:39:35 +0000
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Wed, 14 Mar 2018 23:34:12 +0000
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Wed, 14 Mar 2018 23:24:56 +0000
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Wed, 14 Mar 2018 17:32:25 +0000
Despite uncertainty about who will lead the agency after the end of April, NASA's current acting administrator says he expects little change in the agency's activities in the near future.
Wed, 14 Mar 2018 17:14:02 +0000
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Wed, 14 Mar 2018 15:06:37 +0000
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Inhabitants of the tiny tropical island pay through the nose for internet service that mainlanders would have considered painfully slow during the pre-Netflix era.
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    Personal information
    Contact information
    Candidate Profile
     Date Submitted:07-06-2015
     Last Modified:27-07-2015 (09:28)
    Job information
     Current job:PhD student
     Employment Term:Either
     Job location:Anywhere
     Date available:immediately
     Industry:Civil Agencies/International Organizations, Satellite Manufacturers and Subcontractors, Satellite Operators, , , Launch Systems, Business Services
     Keywordssatellite attitude control, thermal control


    Doctor of Philosophy, Aerospace Engineering (Graduated with honor)

    Universidad Politécnica de Madrid (UPM),E.T.S.I Aeronáuticos, Spain

    Thesis: “Magnetic Attitude Control System for a Small Satellite. Impact on Thermal Performance”

    Oct. 2011 Jul. 2015

    Master of Science, Aerospace Engineering

    Universidad Politécnica de Madrid (UPM),E.T.S.I Aeronáuticos, Spain

    Thesis: “Thermal Behavior of Payloads on-board a Stratospheric Balloon-SUNRISE”

    Oct. 2009 Sep.2011

    Master Degree of ERASMUS MUNDUS inAeronautics and Space Technology

    Universidad Politécnica de Madrid (UPM), E.T.S.I Aeronáuticos, Spain

    Thesis: “Thermal Feasibility Study of the Upper Stage of an Air-Launched Orbital Launch Vehicles for Satellites-ALDEBARAN”

    Oct. 2008Sep. 2009

    Bachelor of Science, Aerospace Engineering

    Amirkabir University of Technology (Tehran Polytechnic), Iran

    (homologado al título universitario oficial español de Ingeniera Aeronáutica)

    Thesis: “Optimization of the Gravity Gradient Boom Parameters for in-orbit Stabilization of a Micro-Satellite, using Genetic Algorithm”

    Sep. 2003 Aug. 2007

    Professional Experiences

    Instituto Universitario de Microgravedad IDR/UPM-Graduate Research Assistant:

    Sep. 2008 – Jul. 2015

    ·   AOCS engineer of UPMSat-2

    o   Design the magnetic attitude control of UPMSat-2 and conducting its stability analysis by taking into account all the constraints regarding sensors and actuators available for this satellite, and also the failure of one actuator.

    o   Development of a software application to simulate the satellite attitude motion under the influence of external disturbance and magnetic controlling torques exerted on the satellite in SIMULINK-MATLAB.

    o   Handle the procurement of the sensors and actuators for UPMSat-2.

    o    Placement of the attitude control hardware in a loop with simulation software of the attitude motion and environmental model, to validate the functioning of the control system, in cooperation with team members of the telecommunication and software subsystem of UPMSat-2.

    ·   Thermal engineer:

    o   Feasibility study of the upper stage of the air-launched orbital launch vehicle for satellites-ALDEBARAN, to determine the amount of cryogenic fuel boil-off during its first stage of flight. The project was funded by EADS Casa Espacio.

    o   Post processing of the in-flight temperature data of the balloon borne telescope-SUNRISE I.

    o   Thermal mathematical modeling of the balloon borne telescope of SUNRISE II in ESATAN-TMS to study the thermal behavior of the payloads on-board this balloon. The project was funded by Max Planck institute.

    o    Analyze the thermal performance of UPMSAT-2 in its spin mode, by studying the stability of the thermal dynamic system of the satellite and its variation with different spin rate to evaluate the required spin angular velocity of the satellite for a uniform temperature distribution in this mode of flight.

    ·   AIT engineer in the project funded by IDR/UPM institute to measure the thermal contact conductance in bolted joints in vacuum environment, with the aim of creating a database for usage in ongoing projects in the institute for TMM of the payloads on-board spacecraft.

    o   Design of experiments and test procedures conducted in vacuum chamber in clean room.

    o    Collect and post process of the measured data to calculate the thermal conductance.

    ·   Teacherassistant in laboratory of thermodynamics, E.T.S.I Aeronáuticos, Universidad Politécnica de Madrid, Fall 2012

    Tehran Polytechnic research center-Researcher:

    Fall 2006Summer 2008

    ·   Expert and project management assistant of AOCS of AUTSat.

    ·   Interface control of AOCS of AUTSat with its other subsystems.

    ·   Project management assistant in controlling documents of AUTSat.

    ·   Development of a software application to simulate the satellite attitude and orbit motion in a sun-synchronous LEO along with the environmental and control torques model.

    ·   Team leader of 12 undergraduate aerospace engineers in the conceptual design of the Iranian passenger turbofan regional Jet IRJ180 (Maxpax 180, Range 5000 km).


    ·   Fellowship grant of collaboration in technical and scientific research projectsfrom Universidad Politécnica de Madrid, Nov. 2012 – Feb. 2014.

    ·   Homologatedscholarshipgrantfrom Universidad Politécnica de Madrid, Nov. 2008 – Nov. 2012.

    ·   The William Sweet Smith Prize 2011for the best review paper, “Thermal Control of SUNRISE, a Balloon-Born Solar Telescope,” published in Proceeding of Mechanical Engineers. Part G Journal of Aerospace Engineering September 2011, V. 225.

    ·   Best student project leaderrecognitionin undergraduate course of “Aircraft design I & II” by Dr. M. A. Vaziri.

    ·   Free education scholarship grant from ministry of science and technology of Iran for being ranked within first 0.3% among 300000 applicants in nationwide entrance exam for Bachelor’s degree, Fall 2003 – Fall 2007.


    ·   Farrahi, A., Perez-Grande, I., “Thermal Performance of a Small Satellite in LEO in Spin Mode,” Journal of Applied Thermal Engineering, in preparation.

    ·   Cubas, J, Farrahi, A., “Magnetic Attitude Control for Satellites in Polar or Sun-Synchronous Orbits,” Journal of Guidance, Control, and Dynamics, under press.

    ·   Cubas, J., Pindado, S., Farrahi, A., “New Method for Analytical Photovoltaic Parameter Extraction,” second International Conference on Renewable Energy Research Application ICRERA, Madrid, 2013.

    ·   Farrahi, A., Sanz-Andres, A., “Efficiency of Hysteresis Rods in Small Spacecraft Attitude Stabilization,” The Scientific World Journal, vol. 2013, Article ID 459573, 17 pages.

    ·   Farrahi, A., Cubas, J., Feranchini, S., “Passive Magnetic Attitude Stabilization System on a Small Satellite,” 5th International Conference on Astrodynamics tools and Techniques, ESA/ESTEC, Noordwijk, 2012.

    ·   Pérez-Grande, I., Sanz-Andres, A., Bezdenejnykh, N., Farrahi, A, et al., “Thermal Control of SUNRISE, a Balloon-Born Solar Telescope,” Journal of Aerospace Engineering 2011, V. 225, Part G, pages:  1037-1049.

    ·   A. Farrahi, M. Mortazavi, “Optimization of Gravity Gradient Boom for Stabilization of a Micro-Satellite,” Spaceops2008, International Conference in Association with AIAA, Heidelberg, May 2008.

    Skills & Academic Certificate

    ·   Certifications:

    o   In completion of the course “Product Assurance Applied to Space Programs” by the microgravity institute of IDR/UPM (Dec. 2012)

    o   In completion of the theoretical and practical course for the use of thermal vacuum chamber by Telstar Technologies, S.L (Feb. 2013).

    ·   Design Software: ESATAN-TMS, CATIA, AutoCAD, ANSYS,Nastran-Patran, Digital DATCOM.

    ·   Programming Languages: FORTRAN, MATLAB and SIMULINK, C/C++.

    ·   Operating Systems: Linux, Windows.

    ·   Applications: Microsoft Office and Latex.

    ·   Language Skills: English (fluent, Internet Base TOEFL score: 108/120), Spanish (fluent, living and studying in Spain about 6 years), French (beginner), Persian (native).

    Extracurricular Activities

    ·   Member of Amirkabir University of Technology girls swimming team, 2006-2007.

    ·   Teaching voluntarily to children with the minor resources in “AJIIVA,” 2010-2012.

    HOBBIES:playing tennis, swimming, reading, and travelling.

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