User profiles for John T. Tharakan

T. John Tharakan

Liquid Propulsion Systems Centre
Verified email at lpsc.gov.in
Cited by 695

An intercalated-spiral wound hollow fiber bioreactor for the culture of mammalian cells

SL Gallagher, JT Tharakan, PC Chau - Biotechnology Techniques, 1987 - Springer
A dual circuit bioreactor is developed; it consists of two intercalated-spiral sets of hollow fibers
with alternated dead-ends. The construction is relatively simple, but guarantees uniform …

Clinical profile of myasthenia gravis in the Sultanate of Oman

PC Jacob, JT Tharakan, PR Chand, RL Koul… - Neurosciences …, 2003 - nsj.org.sa
OBJECTIVE: Clinical study and follow up of myasthenia gravis patients in Oman. METHODS:
Follow up of 50 consecutive myasthenia gravis patients referred to the Sultan Qaboos …

Numerical simulations for multi-hole orifice flow meter

VK Singh, TJ Tharakan - Flow Measurement and Instrumentation, 2015 - Elsevier
The measurement of flow rate is important in many industrial applications including rocket
propellant stages. The orifice flow meter has the advantages of compact size and weight. …

Shaped discharge ports for draining liquids

K Ramamurthi, TJ Tharakan - Journal of Spacecraft and Rockets, 1993 - arc.aiaa.org
Conclusions The presented results show that a light subsystem may experience much larger
loading than its payload. Therefore, structural safety of the subsystem for the liftoff condition …

Simultaneous enhancement in thermoelectric performance and mechanical stability of p-type SiGe alloy doped with Boron prepared by mechanical alloying and spark …

…, S Kumaran, RS Kumar, TJ Tharakan - Journal of Alloys and …, 2019 - Elsevier
Silicon-Germanium (SiGe) based alloys are the promising and an attractive thermoelectric
candidate for radioisotope thermoelectric generators (RTGs) at high temperature (>1000 C) …

The role of backpressure on discharge coefficient of sharp edged injection orifices

TJ Tharakan, TA Rafeeque - Aerospace Science and Technology, 2016 - Elsevier
Sharp edged injection orifices used in thrust chambers and thermal regulation system of
liquid rocket engines have to maintain a steady flow to ensure optimum performance. These …

Experimental study of liquid sheets formed in coaxial swirl injectors

K Ramamurthi, TJ Tharakan - Journal of Propulsion and Power, 1995 - arc.aiaa.org
THE mixture ratio distribution in the combustion cham-bers of liquid propellant rockets is
governed by the shape of the spray fan formed by the injection elements and by the …

Thermoelectric power factor performance of silicon-germanium alloy doped with phosphorus prepared by spark plasma assisted transient liquid phase sintering

…, S Kumaran, RS Kumar, TJ Tharakan - Scripta Materialia, 2018 - Elsevier
This work reports on the successful attempt towards the swift synthesis of Silicon-Germanium
(SiGe) alloy doped with phosphorus through spark plasma assisted transient liquid phase …

Prediction of gas-core vortices during draining of liquid propellants from tanks

D Agarwal, P Basu, TJ Tharakan, A Salih - Aerospace Science and …, 2014 - Elsevier
The gas–liquid interface dips during the draining of a liquid through a discharge port of a
vessel or a tank. The dip develops into a gas-core vortex which subsequently enters the …

Effect of gas swirl on the performance of a gas-centered swirl co-axial injector

…, MV Panchagnula, TJ Tharakan - Atomization and …, 2017 - dl.begellhouse.com
Gas-centered swirl co-axial (GCSC) injectors are important to several propulsion
applications. We report an experimental study of the near injector spray structure of a gas-centered …