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Tool wear, hole quality, power consumption and chip morphology analysis for drilling Ti-6Al-4V using LN2 and LCO2

Shah, Prassan; Khanna, Navneet; Singla, Anil Kumar; Bansal, Anuj (Elsevier, 2021-11)

For the first time, thrust force, power consumption, flank tool wear using FE-SEM and line scan EDS analysis; hole quality indicators and hole surface analysis using FE-SEM, microhardness and chip morphology for drilling ...
Numerical analysis of flowfield in linear plug nozzle with base bleed

Soman, Sandeep; Suryan, Abhilash; Nair, Prasanth P.; Dong Kim, Heuy (American Institute of Aeronautics and Astronautics, 2021-11)

A linear aerospike nozzle is a kind of altitude adaptive nozzle that has optimum performance over the entire operational range. In this work, flow characteristics of a linear plug nozzle and a truncated plug with 40% plug ...
Combustion efficiency improvement for scramjet combustor with strut based flame stabilizer using passive techniques

Nair, Prasanth P.; Narayanan, Vinod; Suryan, Abhilash (Elsevier, 2021-11)

In a Supersonic combustion ramjet (Scramjet) engine, combustion occurs at supersonic velocity as incoming air remains supersonic. Scramjet engines have complex flow phenomena taking place inside the combustor. In a scramjet ...

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