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Thu, 15 Nov 2018 22:41:59 +0000
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Thu, 15 Nov 2018 22:37:38 +0000
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Thu, 15 Nov 2018 20:42:59 +0000
The U.S. Federal Communications Commission voted Nov. 15 to approve four proposed satellite constellations, authorizing nearly 8,000 small telecom satellites to serve U.S. entities from low Earth orbit.
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Shanahan on the Space Force legislation: “What I feel confident about is that the proposal that we are going to carry forward makes sense.”
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Solstar Space, the New Mexico startup planning to offer WiFi to people and machines in orbit, is looking for a strategic investor.
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Rocket Lab, the small launch vehicle developer that recently performed its first commercial launch, has raised an additional $140 million to fund expansion of its launch activities and research projects.
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While everybody is rightly celebrating recent successes in commercial space, some long-term trends are just beginning. It is still early days, and significant growth and new opportunities are just around the corner.
Thu, 15 Nov 2018 13:36:09 +0000
It’s no secret the megaconstellations will have a dramatic impact on space traffic. Experts now are turning their attention to ensuring they don’t also create a dangerous spike in orbital debris.
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Space Tango, a Kentucky startup that develops microgravity research platforms, announced plans Nov. 15 to launch in the mid-2020s an autonomous in-orbit manufacturing facility.
Wed, 14 Nov 2018 23:36:34 +0000
With NASA committed to a human return to the moon, Mars exploration advocates say those lunar missions can be useful to achieve their long-term goals, if designed properly.
Wed, 14 Nov 2018 23:15:39 +0000
WASHINGTON — Air Force buyers of space systems are cutting red tape and removing layers of oversight to expedite programs, Vice Chief of Staff of the Air Force Gen. Stephen Wilson said on Wednesday. Wilson said the reorganization of the Air Force Space and Missile Systems Center and the establishment of a rapid procurement office […]
Wed, 14 Nov 2018 21:12:03 +0000
Senators Jerry Moran (R-Kan.) and Tom Udall (D-N.M.) wrote to FCC Chairman Ajit Pai saying the agency “must consider whether sufficient spectrum will remain available to accommodate today's C-band services,” among other issues.
Wed, 14 Nov 2018 19:00:40 +0000
One take-away from last week’s Global MilSatcom conference in London is that the satellite communications industry is giving government buyers more choices than they can handle.
Wed, 14 Nov 2018 17:00:45 +0000
Space transportation startup Momentus raised $8.3 million in seed funding for its business of offering satellite operators rides from one orbit to another, the Santa, Clara, California company announced Nov. 14.
Wed, 14 Nov 2018 17:00:22 +0000
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Elections have consequences. But exactly what the new power structure in Washington means for the future of the Space Force will not be known for some time.
Wed, 14 Nov 2018 14:31:29 +0000
The Army’s interest in small satellites has not wavered. Pentagon contractor Dynetics announced last week it has been selected to develop small satellites for the USASMDC/ARSTRAT under a program named Gunsmoke-L.
Wed, 14 Nov 2018 14:07:08 +0000
"The end of the development of Ariane 6 and the need to increase competitiveness in the European rocket launch business compel ArianeGroup to reduce its capacity by the equivalent of 2,300 full-time jobs by 2022," the company said in a statement.
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    Candidate Profile
     Date Submitted:08-09-2018
     Last Modified:09-09-2018 (08:43)
    Job information
     Current job:Propulsion Engineer
     Employment Term:Permanent
     Job location:Anywhere
     Date available:>3months
     Industry:Launch Systems
     KeywordsAssociated with Liquid Propulsion wing of Indian Space Research Organisation. Working as a CFD analyst for design and optimization of fluid systems of test facilities and engines. Managing and planning engine testing supported with all required computatio


    Liquid Propulsion System Center, Indian Space Research Organization (ISRO) Department of Space (Trivandrum, INDIA)



    Working in the Propulsion Research & Studies Group at ISRO. The focus of my job is to provide the engineering solutions to troubleshoot problems in the Flow and Thermal area for development of liquid & cryogenic rocket stages, engines and facilities with the help of thermal and CFD simulation.



    Performed two-phase CFD analysis of tank draining to determine liquid interface motion and ullage pressure-temperature evolution using Volume of Fluid technique including mass transfer mechanism.

    Developed a conjugate CFD model for simultaneous operation of clustered 800 N thrusters for detailed study of under expanded plume behavior, plume impingement, interaction including gas radiation using Discrete Ordinate Methodology. The complex phenomenon of multiple plume interactions, shear layer development, plume radiation and flow reversal was well captured.

    Three dimensional flow and thermal analysis of Air heater unit for scramjet propulsion test facility. CFD modeling for different configurations of secondary air injection was performed to determine uniformity in mixture composition and temperature at heater module outlet.

    Performed transient simulation of rocket engine start up and shut down in vacuum, in order to determine safe mode of operation for high altitude test facility.

    Performed detailed two phase analysis (both Lagrangian & Eulerian dispersed phase treatment) to design water cooled deflector pit for rocket engine testing in ground. Carried out experiments for concept verification & CFD code validation at sub-scale level for plume impingement on inclined plate with multiple water orifices.

    Completed CFD simulation of transcritical methane flow in rocket engine regenerative channels and combustion modeling of single element pre-burner injector to understand flow/flame field and combustion characteristics at supercritical conditions.

    Performed multi-phase, multi-species simulation for spray cooing of combustion gas with water liquid to predict thermal profile over gas generator walls for thermostructural analysis. Complex two phase physics and mass transfer phenomenon modeled in eulerian framework.

    Developed a transient CFD model to determine GN2 pressure and temperature evolution in LH2 tank to further validate with the flight data.

    Carried out three dimensional conjugate CFD analysis to simulate hot test of twin nozzle configuration liquid rocket stage to determine the nozzle wall temperature due to entrainment and surface radiation effects.

    Performed transient CFD analysis of Gaseous helium bottle placed in Liquid hydrogen tank of cryogenic rocket stage to determine the gas bottle charging sequence.

    Carried out detailed flow field analysis of steering engine nozzle with closure to determine the separation load on the dual snap off connectors during flight. 2

    Developed a radiation model of Rotary Vacuum Brazing Facility for determining the uniformity of hardware temperature of cryogenic engine nozzle divergent. Accomplished thermal environment prediction of cryogenic rocket pyro valve elements.

    Detailed thermal analysis was carried out to predict temperature at pyro valve initiator assemblies.

    Completed detailed transient flow and thermal analysis of steering engine with nozzle closure to determine the time at which nylon ring melts and closure detaches from nozzle divergent. Detailed thermal analysis for booster turbo pump considering pump side coolant, turbine side hot gas and bearing heat generation rate performed to determine thermal conditions at critical locations of liquid hydrogen booster turbo pump.



     Combined experimental, numerical and optical investigation (M-Z interferometry) of heat transfer characteristics in grooved channels. Three dimensional CFD Analysis of the Vortex combustion chamber to determine flow field flow characteristics and to establish unconventional method of cooling and combustion in a Rocket engine.

     Performed a CFD simulation of the gaseous film cooling through compounded injection orifices. Parametric study was carried out to determine optimum compounded injection on gaseous film cooling effectiveness and film cooling length.

    Experimental investigation to determine heat transfer enhancements in Alumina/water nano-fluid in laminar flow regime. Numerical modeling to investigate convective heat transfer and flow features of alumina/water and alumina/kerosene nano-fluids with variable particle loadings. A single phase constant property model was developed to determine change in heat transfer coefficients.



    Completed M.Tech programme in Thermal and Fluid Engineering specialization at Mechanical Engineering Department of Indian Institute of Technology Bombay, Mumbai and earned A+ grade in thesis work titled ‘Optical and Numerical Investigation of Temperature fields and Study of Heat Transfer Enhancement in Horizontal grooved/ribbed Channels’. [Dec, 06-May, 07]

    Completed six months in Indian Institute of Technology, Delhi doing Master of Science in the Fluid and Thermal sciences Department and completed first Semester with CGPA of 8.81/10.00. Carried out flame speed computations for different gaseous mixture compositions using Chemkin software


    EDUCATION M-Tech in Mechanical Engineering [July,12- July,14] Indian Institute of Technology Bombay (Score: 8.46/10 CGPA)

    B-Tech in Mechanical Engineering [Aug,02-Jun,06] Punjab Technical University (Jalandhar, Punjab) (Score: 81%, equivalent to 4.0/4.0 GPA) 3



    Graduate Record Examination (GRE General Test): 1270/1600 -

    Test of English as Foreign Language (TOEFL iBT): 86/120

    ACADEMIC COURSE WORK - Basic & advanced Thermodynamics - Basic & advanced Fluid Mechanics - Computational Fluid Dynamics - Convective Heat and Mass Transfer - Gas Dynamics - Refrigeration & air conditioning - Engineering Mathematics - Conduction and Radiation - Heat Exchangers - Combustion - Analysis of I.C Engines

     HIGHLIGHTS - Academic Excellence Award in B-Tech (First Position in the College). - Qualified in Graduate Aptitude Test in Engineering (GATE-2007) - Executive member of Astronautical Society of India –Student’s Chapter. - Regional Coordinator World Space Week Association.

     REFERENCES 1. Prof. Atul Srivastava, Indian Institute of Technology Bombay, Powai Email: atulsr(at), 2. Dr. N.K Gupta, Vikram Sarabhai Professor Liquid Propulsion Systems Center, Valiamala Email: gupta_nk(at)

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