Latest Space News
Thu, 21 Sep 2017 08:38:00 +0100
For the first time in its 19-year history, SMi Group’s Global MilSatCom Conference & Exhibition will be featuring South Korea in its speaker line-up for this year’s event. With recent threats surging within the region, South Korea has instilled urgency in the race to perfect milsatcom systems to ensure overall robust defence capability. Commander of Defence Communication Command, Brigadier General Nag Jung Choi, will be presenting a keynote address on Day 3 of the conference...
Wed, 20 Sep 2017 16:45:00 +0100
In the first act of lunar exploration, Neil Armstrong and Buzz Aldrin were major characters. In setting its sights on the Moon, ESA hopes to bring many more actors to this off-world stage. By testing the market for transport services to the Moon, ESA aims to push the limits of technology and create new models of space business. Touching down on the Moon was a monumental moment in human history. Eight short years and enormous resources took humankind to the lunar surface, initially for le...
Wed, 20 Sep 2017 12:00:00 +0100
Astronomers have used ALMA to capture a strikingly beautiful view of a delicate bubble of expelled material around the exotic red star U Antliae. These observations will help astronomers to better understand how stars evolve during the later stages of their life-cycles. In the faint southern constellation of Antlia (The Air Pump) the careful observer with binoculars will spot a very red star, which varies slightly in brightness from week to week. This very unusual star is called U Antliae and...
Wed, 20 Sep 2017 11:03:00 +0100
SES, EchoStar Corp., and Airbus Defence and Space announced today that the new EchoStar 105/SES-11 spacecraft, built by Airbus, has been shipped from the Airbus facilities in Toulouse, France, to Cape Canaveral, Florida, for its forthcoming launch by SpaceX in October. The first satellite that EchoStar has constructed with manufacturer Airbus, EchoStar 105/SES-11 will be launched by SpaceX on a flight-proven Falcon 9 rocket from Launch Complex 39A at Kennedy Space Center, Florida. EchoStar 10...
Tue, 19 Sep 2017 19:30:00 +0100
Today Lockheed Martin (NYSE: LMT) debuted a new family of satellite buses that form the core of nearly every space mission. From nanosats to high-powered satellites, the versatile lineup incorporates dozens of major enhancements and hundreds of common components that speed production and reduce cost. The company announced the lineup at the Air Force Association Air, Space & Cyber Conference. "We've invested $300 million in revamping our satellite solutions from top to bottom, applying what we...
Tue, 19 Sep 2017 15:54:00 +0100
FLYHT Aerospace Solutions Ltd. (TSX VENTURE: FLY) (OTCQX: FLYLF) (the "Company" or "FLYHT") is pleased to announce a flight trial with Inmarsat, and would like to bring attention to an Inmarsat press release titled Inmarsat to demonstrate advanced SwiftBroadband-Safety capabilities in flight trial with FLYHT on September 19, 2017. This trial will demonstrate the use of FLYHT's Automated Flight Information Reporting System (AFIRS(tm)) to send data to the UpTime(tm) Cloud management platform via I...
Tue, 19 Sep 2017 14:53:00 +0100
With the ''Space Strategy for Europe'' from the European Commission and the new ESA roadmap on the table, the European space stakeholders will have the great opportunity to debate and influence, at the highest level, the medium and long term development of European space programmes and of the spread of space services in many economic and societal activities as well as in a wide range of public fields, including security and defence. Download Conference Agenda | Register to a...
Tue, 19 Sep 2017 14:00:00 +0100
Kratos Defense & Security Solutions, Inc. (NASDAQ:KTOS), a leading National Security Solutions provider, announced today that it has recently received approximately $8.2 million in orders or specialized products in support of satellite global positioning system protection and communication systems. Work on these recent orders will be performed in secure Kratos manufacturing facilities. Due to customer related, competitive and other considerations, no additional information will be provided rel...
Tue, 19 Sep 2017 11:51:00 +0100
The Sun's recent activity has caught the interest of scientists and space weather forecasters worldwide, highlighting the need to keep a watchful eye on our star and its awesome power. On 6 and 10 September, our Sun produced a pair of solar flares, the strongest observed in over 10 years. They were accompanied by huge eruptions of billions of tonnes of matter into space. While many such eruptions fall back onto the hot surface, these two did not and became 'coronal mass ejections' (CMEs) -...
Tue, 19 Sep 2017 08:19:00 +0100
NASA's Hubble Space Telescope has observed a planet outside our solar system that looks as black as fresh asphalt because it eats light rather than reflecting it back into space. This light-eating prowess is due to the planet's unique capability to trap at least 94 percent of the visible starlight falling into its atmosphere. The oddball exoplanet, called WASP-12b, is one of a class of so-called "hot Jupiters," gigantic, gaseous planets that orbit very close to their host ...
Fri, 15 Sep 2017 18:13:00 +0100
Raytheon Company (NYSE: RTN) will continue its support for NOAA's Advanced Weather Interactive Processing System program that ingests and analyzes weather data, creating useful visualizations for forecasters and distributing time-sensitive weather statements such as watches and warnings across the United States. Used by more than 140 National Weather Service field offices, the AWIPS program informs decisions that save lives and protect property during natural disasters. Under the $269 mill...
Fri, 15 Sep 2017 15:00:00 +0100
The international Cassini mission has concluded its remarkable exploration of the Saturnian system in spectacular style, by plunging into the gas planet's atmosphere. Confirmation of the end of mission arrived at NASA's Jet Propulsion Laboratory at 11:55 GMT/13:55 CEST with the loss of the spacecraft's signal having occurred 83 minutes earlier at Saturn, some 1.4 billion km from Earth. With the rocket propellant for manoeuvering the spacecraft fully expended as planned touring Saturn and i...
Fri, 15 Sep 2017 14:17:00 +0100
Four of the latest set of Galileo navigation satellites will be launched on Ariane 6 rockets - ESA's first contract to use Europe's new vehicle. The launches are scheduled between the end of 2020 and mid-2021, using two Ariane 62 rockets - the configuration of Europe's next-generation launch vehicle that is best suited to haul the two 750 kg navigation satellites into their orbits at 23 222 km altitude. Under development, Ariane 6 is Europe's newest launcher, designed to extend guaranteed ...
Fri, 15 Sep 2017 14:00:00 +0100
The Space Alliance, formed by Thales Alenia Space (Thales 67%, Leonardo 33%) and Telespazio (Leonardo 67%, Thales 33%), today signed a partnership with the US-based company Spaceflight Industries which includes the following elements: A minority investment in Spaceflight Industries, which through its BlackSky business, has developed a geospatial platform and plans to build and operate a constellation of 60 small high-resolution observation satellites featuring very short revisit times; ...
Tue, 12 Sep 2017 16:33:00 +0100
Lockheed Martin (LM) unveiled a new small unmanned aircraft system (UAS) that has been designed and developed in the UK at the Defence and Security Equipment International (DSEI). OUTRIDER is a lightweight, canister launched UAS that has been designed by engineers at Lockheed Martin UK's Havant facility in partnership with Wirth Research, an engineering company with specialisation in aerodynamics and composite materials. At only four inches wide and weighing only 1.7 kilograms, it is designed...
Mon, 11 Sep 2017 13:00:00 +0100
Orbital ATK, a global leader in aerospace and defense technologies, today announced significant progress on the industry's first commercial in-space satellite servicing system. The Mission Extension Vehicle-1 (MEV-1) spacecraft successfully completed its critical design review earlier this year and is now in production with about 75% of the platform and payload components already delivered to the company's Satellite Manufacturing Facility in Virginia. The spacecraft will begin system-level testi...
Mon, 11 Sep 2017 10:07:00 +0100
Boeing will design and build seven super-powered medium earth orbit (MEO) satellites for SES, delivering efficient high-performance data communications services to users around the world. The O3b mPOWER satellites will include Boeing's most-advanced digital payload technology and will be built using electronics from the flight-proven 702 satellite platform customized to support the unique MEO environment. "With this new technology and design, Boeing is able to build satellites faster and m...
Wed, 6 Sep 2017 16:31:00 +0100
EchoStar Corporation and Lockheed Martin announced today that the EchoStar III satellite has been successfully recovered following an anomaly that occurred in late July and retired per the FCC regulations. "After the initial loss of contact, with a joint effort by EchoStar and Lockheed Martin, a command and control link was reestablished and deorbit maneuvers performed" said Derek de Bastos, chief technology officer for EchoStar Satellite Services L.L.C. "EchoStar III is now safely in a grave...
Wed, 6 Sep 2017 15:24:00 +0100
Orbital ATK, a global leader in aerospace and defense technologies, recently completed an important qualification test of the avionics system for the solid rocket boosters the company has developed and is now manufacturing for NASA's Space Launch System (SLS). Completion of this milestone is an important step toward preparing the SLS and Orion spacecraft for their first flight in 2019. Two Orbital ATK-developed five-segment rocket boosters will be used on each SLS launch to help provide initial ...
Tue, 5 Sep 2017 14:07:00 +0100
Launch is the most strenuous part of a satellite's life. To survive the extreme sound wave pressure and pounding vibrations generated by more than 700,000 lbs. of thundering rocket thrust, spacecraft need a solid, reliable design if they hope to arrive operational on orbit. On July 13, Lockheed Martin (LMT)'s second, fully-assembled GPS III space vehicle (SV) completed a realistic simulation of its future launch experience and passed this critical acoustic environmental test with flying color...
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  • CV: Structural/Thermal/Propulsion System Engineer

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    Personal information
     Name:<withheld>
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    Candidate Profile
     Date Submitted:02-07-2014
     Last Modified:17-04-2015 (07:24)
    Job information
     Current job:Structural/Thermal/Propulsion System Engineer
     Employment Term:Permanent
     Job location:Anywhere
     Date available:within a month
     Industry:Civil Agencies/International Organizations, Satellite Manufacturers and Subcontractors, Satellite Operators, Launch Systems, Business Services, Consulting/Engineering Services
     KeywordsDoctor/Engineer Aerospace/Mechanical with almost 10 years experience in Space/Satellite industry specifically in Program/Project Management, System Engineering, Structural/Thermal design, analysis and env. Testing, Space propulsion etc
    CV

    General Manager at SUPARCO1

    Mechanical Engineer/Aerospace Engineer/Doctorate in Material Sc. & Engg.

    Date of Birth: 25-01-1978;

     

    Skills/Areas of interest:       

    Technical Project/Program Management, Structural/Mechanical design, analysis and testing, Thermal/Thermo-Mechanical design, analysis and testing, Mechanical Integration Research and Development in a relevant area etc.

    Education: 

    PhD (January 2005-July 2008):Material Science and Engineering, “Ecole de Mines Paris-MINES ParisTech, France” ‘An investigation on Thermomechanical Fatigue Behaviour of a Tool Steel X38CrMoV5/AISI H11’; defended with honors.

    Master of Science (September 2003-January 2005): Aeronautical Engineering, “Ecole Nationale Supérieur de l’Aéronautique et de l’Espace, ISAE/SUPAERO, Toulouse, France” (Mention – Very Good: A-Grade)

     Bachelors of Engineering(1995-1999):Mechanical Engineering, “NED University of Engineering and Technology, Karachi,  Pakistan” (A-Grade: First Division)

    Work Experience:

      August 2008 to date:1- Pakistan Space and Upper Atmosphere Research Commission (SUPARCO)

    General Manager (April 2013 to date): Currently heading Leo satellite structure/thermal/mechanism division which includes 8 graduate engineers, one PhD and 20 technicians.

    o    I have been involved in the mission planning, system engineering and program/project management of a Low earth orbit remote sensing satellite PakTES.

    o    Managing a team of engineers to conduct preliminary design review (PDR) of structure/thermal/mechanism and propulsion subsystems of the proposed 800 kg PakTES at system/subsystem and unit level including all technical documentation/reports following European Corporation for Space Standardization (ECSS).

    o    Carried out all the resourcing and procurements for the development of Structural/Thermal/Propulsion qualification model, whose structure is composed of honey comb sandwich material with embedded and surface heat pipes and other passive thermal control components with hydrazine based propulsion system.

    o    Heading a team of aeronautical/mechanical engineers to design, develop and install air born small aperture radar antenna (SAR) and housings for its support electronics on a small aircraft.

    o    Detailed planning of structural and thermal environmental testing at system, subsystem and unit level has also been carried out.

     

    Technical Manager (August 2008 to March 2013): Well rounded satellite mechanical engineering experience in Structural Design and Analysis, Thermal Design and Analysis, Mechanical Packaging and Integration and Testing.
     

    Structural Design and Analysis: Lead structural engineer of PakTES and customer furnished electronics units of PakSAT-1R.

    o    Designed structural configuration as per the mission requirement including the design (based on rib stiffening system to achieve higher natural frequency) of several housings/boxes for electronic subsystems such as power, AOCS, OBC/OBDH and payload modules etc.

    o    Performed detailed housing/box-level structural analysis including normal modes, static, and frequency response analyses.  Further, design optimization was carried out in order to achieve the required margin of safety by reducing the number of fasteners and the thickness of sandwich panel etc.

    o    I have also been a team member, which was responsible for the mechanical design, analysis, manufacturing and testing of the housings/boxes of several customer furnished electronic units which are installed in PakSAT-1R and functioning successfully in-orbit.

    Thermal Design and Analysis: Lead thermal engineer of PakTES and customer furnished electronics units of PakSAT-1R.

    o    Performed all thermal design and analysis at all stages of satellite design. Built all thermal models (main Space Vehicle model, all box-level, and all board-level models), evaluated environmental considerations, selected all emissive coatings, and provided feedback into mechanical and structural designs.

    o    Worked with payload to integrate their thermal model into satellite thermal model.

    o    Researched heat pipe design and optimized baseplate thermal coverage and heat sinking capabilities, and worked with vendor for quotes and cost-effective design.

    o    Designed small thermal and support brackets for electronics boards

    o    Participated in all thermal vacuum and thermal cyclic tastings of customer furnished instruments for PakSAT-1R.

    Mechanical Design and Development: Participated thoroughly from conception to execution in the following projects.

    o    Design and fabrication of a solar panel deployment mechanism based on torsion and tape spring for the engineering qualified model of a remote sensing satellite.

    o    Design and fabrication of a zero-G simulator for solar panel deployment mechanism.

    o    Design, fabrication and testing of cold gas thrusters and storage tank.

    o    Design and fabrication of GSE for several environmental testing of customer furnished instruments for PakSAT-1R.

    o    Good experience in creating mechanical drawings for several types of parts. Performed mechanical design and packaging of several boxes and enclosures. Created enclosures that required tight EMI seals.


    January 2005 to July 2008: Institut Clement Ader (ICA-Albi), Ecole de Mines d`Albi, France

     

    Researcher : In order to prepare a PhD dissertation in the area of Material Sciences and Engineering.

    o    The aim of this work was to predict the cyclic behaviour of AISI H11 tool steel with a nominal Rockwell Hardness of 47. Various isothermal and non isothermal conditions have been investigated with different strain rates, strain amplitudes and temperature levels, by applying two different approaches. A constitutive thermo-elastoviscoplastic model was considered which includes kinematic and isotropic components to define strain rate effects, dynamic recovery and cyclic softening.

    o    To progress conditions, two types of loading conditions (variable temperature and variable strain amplitude) had been designed. A test bench had been developed to conduct these experiments and a complete time-temperature-strain history is presented further in terms of applications of these models and to observe the behaviour of the material under complex loading.

    o    In accordance with the experimental data base, these behaviour models had been characterized and analyses of their pertinence and limitations had been carried out in order to upgrade them to satisfy different working conditions.

    o    Finally, numerical simulation on a structural thermomechanical fatigue test specimen had been performed by using these constitutive laws to analyse their applicability under severe loading conditions.

    o    Submitted and defended the PhD dissertation with honors in Albi, France, in front of an international jury composed of a professor from Karlstad University Sweden, a professor from Ecole Polytecnico di Turino Italy, along with other professors from France.


     July 2000 to June 2003: Pakistan Space and Upper Atmosphere Research Commission (SUPARCO)

    Assistant Manager (Technical):Satellite Research and Development Centre, SUPARCO, Pakistan. Headed one engineer and 18 technicians/workers of a mechanical workshop.

    o    Participated in the design and fabrication of prototype satellite structure based on honey comb sandwich panels. One-shot fabrication technique was used and sine sweep testing was performed to validate the fabrication criteria.

    o    Conducted compressive strength testing of honey comb sandwich panels to determine in plane and out of plane compressive strength. These tests were performed on aluminium and glass fibre panel facings in order to compare their mechanical properties.

    o    Trouble shooting and maintenance of a space simulator/humidity chamber.

    o    Development of a mechanical work shop, procurement of different machines e.g. lath, milling, shearing and drilling etc.


    August 1999 to June 2000: Plastipack Machines Pvt. Ltd., Karachi, Pakistan

    Services Engineer: This work included maintenance, after sale services and marketing of plastic processing and packaging machines.

    o    Participated in a team project of designing and fabrication of 1 ton ammonia based ice plant.

     

    Computer Skills:

     

    Operating Systems

    Office Tools

    CAD/Mechanical design tools

    Structure and Thermal Analysis Tools

    Programming Languages

    Windows

    MS Word

    IDEAS

    MSC Nastran/Patran

    Fortran

    Unix

    MS Excel

    Pro/E Wild Fire

    ABAQUS

    Matlab

    Linux

    MS Power Point

    AutoCAD

    ANSYS Workbench

     

    Apple Mac.

    MS Project

     

    Sidolo 2.4

     

     

     

    Selected Publications:

     

    ·         Z.Ahmer, V. Velay, F. Rezai-Aria, G. Bernhart, Cyclic behaviour simulation of X38CrMoV5-47HRC (AISI H11) tempered martensitic hot work tool steel, 7th International tooling conference.

    ·         Z.Ahmer, V. Velay, F. Rezai-Aria, G. Bernhart, An updated version of the paper, Cyclic behaviour simulation of X38CrMoV5-47HRC (AISI H11) tempered martensitic hot work tool steel, International journal of microstructure and material properties, issue 2008, vol 3.

    ·          Y. Ayub, Z.Ahmer, S. Riffat, M.A.Shah, Mechanical behaviour characterization of aluminum based honey comb structure by optimized modeling and numerical simulations, Journal of space technology, issue June 2011.

    ·         Z. Ahmer, V. Velay, F. Rezai-Aria, A study of mechanical behaviour of AISI-H11(X38CrMoV5-47HRC) under complex isothermal(LCF) and complex non-isothermal(TMF) loading conditions, submitted in the journal of Material science and engineering (A) 2014.

    ·         Z.Ahmer, A. Shah, Design optimization through numerical simulation and testing of a 5N cold gas thrusters.’ Journal of space technology issue 2014.

     

    Awards/Accomplishments and Complementary Information:

     

    ·         Attained scholarship to carry out Master of Science studies in ISAE/SUPAERO from Société française d’exportation des ressources éducatives (SFERE).

    ·         Attained scholarship from Ecole de Minesd’ Albi to carry out PhD studies.

    ·         Linguistic Skills:  Bilingual; English and French (Fluent)

    ·         Sports: Captain of SUPARCO Pakistan cricket team; squash, swimming, snooker and a regular GYM member.

    ·         References: Available upon request.


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