Search Results - "Gopi Krishna, S."

Investigation of Magnetized Casson Nanofluid Flow along Wedge: Gaussian Process Regression by Shanmugapriya, M., Sundareswaran, R., Gopi Krishna, S., Alameri, Abdu

“…An unsteady two-dimensional magnetized Casson nanofluid flow model is constructed over a wedge under the effect of thermal radiation and chemical reaction. The…”
Get full text

Temporal and spatial variations in TEC using simultaneous measurements from the Indian GPS network of receivers during the low solar activity period of 2004-2005 by RAMA RAO, P. V. S, GOPI KRISHNA, S, NIRANJAN, K, PRASAD, D. S. V. V. D

“…With the recent increase in the satellite-based navigation applications, the ionospheric total electron content (TEC) and the L-band scintillation measurements…”
Get full text

Magnetized Casson hybrid nanofluid flow under the influence of surface-catalyzed reactions over a porous moving wedge by Shanmugapriya, M., Sundareswaran, R., Gopi Krishna, S., Fernandez-Gamiz, U., Narasimman, S.

“…The main finding of this work focuses on the numerical analysis of magnetized Casson hybrid nanofluid flow via porous moving wedge with surface-catalyzed…”
Get full text

Local time dependent response of postsunset ESF during geomagnetic storms by Tulasi Ram, S., Rama Rao, P. V. S., Prasad, D. S. V. V. D., Niranjan, K., Gopi Krishna, S., Sridharan, R., Ravindran, Sudha

“…Development or inhibition of ESF during magnetically active periods has been an important space weather topic of interest during the recent past in view of its…”
Get full text

On the validity of the ionospheric pierce point (IPP) altitude of 350 km in the Indian equatorial and low-latitude sector by RAMA RAO, P. V. S, NIRANJAN, K, PRASAD, D. S. V. V. D, GOPI KRISHNA, S, UMA, G

“…The GPS data provides an effective way to estimate the total electron content (TEC) from the differential time delay of L1 and L2 transmissions from the GPS…”
Get full text

GPS-TEC variations during low solar activity period (2007–2009) at Indian low latitude stations by Kumar, Sanjay, Priyadarshi, S., Gopi Krishna, S., Singh, A. K.

“…The paper is based on the ionospheric variations in terms of vertical total electron content (VTEC) for the low solar activity period from May 2007 to April…”
Get full text

Geomagnetic storm effects on GPS based navigation by RAMA RAO, P. V. S, GOPI KRISHNA, S, VARA PRASAD, J, PRASAD, S. N. V. S, PRASAD, D. S. V. V. D, NIRANJAN, K

“…The energetic events on the sun, solar wind and subsequent effects on the Earth's geomagnetic field and upper atmosphere (ionosphere) comprise space weather…”
Get full text

Study of spatial and temporal characteristics of L-band scintillations over the indian low-latitude region and their possible effects on GPS navigation by RAMA RAO, P. V. S, GOPI KRISHNA, S, NIRANJAN, K, PRASAD, D. S. V. V. D

“…The scintillation data (S4-index) at the L-band frequency of 1.575GHz, recorded from a total of 18 GPS receivers installed at different locations in India…”
Get full text

An analysis of effect of higher order endothermic/exothermic chemical reaction on magnetized casson hybrid nanofluid flow using fuzzy triangular number by Shanmugapriya, M., Sundareswaran, R., Gopi Krishna, S., Pal, Madhumangal

“…In this study, we considered higher-order endothermic/exothermic chemical reactions with activation energy on Casson hybrid nanofluid flow (Fe3O4+Al2O3/C2H6O2)…”
Get full text

Manufacture of micro sized threads for micro actuator of laser grating mount by Gopi, Krishna S, Raju, V R, Ankit, K, Shashikumar, P V

“…This work presents the fabrication of micro threads of pitch less than 100 μm for micro components. The micro sized threading tool having a tool nose radius…”
Get full text

Prediction of bio-heat and mass transportation in radiative MHD Walter-B nanofluid using MANFIS model by Gopi Krishna, S., Shanmugapriya, M., Senthil Kumar, P.

“…This research article discusses the heat and mass transportation of magnetohydrodynamic (MHD) flow of Walter-B nanofluid containing the gyrotactic…”
Get full text

Inquiry of MHD bioconvective non-newtonian nanofluid flow over a moving wedge using HPM by Gopi Krishna, S., Shanmugapriya, M.

“…In this present article, the influence of MHD flow of a non-Newtonian Casson nanoliquid conveying gyrotactic microorganisms over a moving wedge with thermal…”
Get full text

MANFIS approach for predicting heat and mass transport of bio-magnetic ternary hybrid nanofluid using Cu/Al2O3/MWCNT nanoadditives by Krishna, S. Gopi, Shanmugapriya, M., Sundareswaran, R., Kumar, P. Senthil

“…A mathematical flow model is envisioned to predict heat and mass transport of bio-magnetic ternary hybrid nanofluid (THNF) flow of different shapes over a…”
Get full text

NeQuick bottomside analysis at low latitudes by Coïsson, P., Nava, B., Radicella, S.M., Oladipo, O.A., Adeniyi, J.O., Gopi Krishna, S., Rama Rao, P.V.S., Ravindran, S.

“…NeQuick ionospheric electron density model produces the full electron density profile in the ionosphere using the F2 layer peak values ( foF2 and hmF2) as…”
Get full text

Thermal and Energy Transport Prediction in Non-Newtonian Biomagnetic Hybrid Nanofluids using Gaussian Process Regression by Krishna, S. Gopi, Shanmugapriya, M., Kumar, B. Rushi, Shah, Nehad Ali

“…Hybrid nanofluids are a type of nanofluid that is created by combining two different types of nanoparticles with a traditional fluid. These nanofluids have…”
Get full text

Evaluation of mechanical properties of Al7075-SiC composites fabricated through stir casting technique by Raghuvaran, P., Baskaran, J., Aagash, C., Ganesh, A., Gopi Krishna, S.

“…Composites are replacing the traditional materials recently because of its better strength to weight ratio. In present study, Aluminium composites are…”
Get full text

VHF and L-band scintillation characteristics over an Indian low latitude station, Waltair (17.7° N, 83.3° E) by RAMA RAO, P. V. S, TULASI RAM, S, NIRANJAN, K, PRASAD, D. S. V. V. D, GOPI KRISHNA, S, LAKSHMI, N. K. M

“…Characteristics of simultaneous VHF (244 MHz) and L-band (1.5 GHz) scintillations recorded at a low-latitude station, Waltair (17.7° N, 83.3° E), during the…”
Get full text

Morphological and spectral characteristics of L-band and VHF scintillations and their impact on trans-ionospheric communications by RAMA RAO, P. V. S, TULASI RAM, S, GOPI KRISHNA, S, NIRANJAN, K, PRASAD, D. S. V. V. D

“…Amplitude scintillations recorded at 1.5 GHz frequency during the high (1998–1999) and low (2004–2005) sunspot activity periods over a low latitude station,…”
Get full text

Prediction of thermal and energy transport of MHD Sutterby hybrid nanofluid flow with activation energy using Group Method of Data Handling (GMDH) by Krishna, S. Gopi, Shanmugapriya, M., Alsinai, Ammar, Alameri, Abdu

“…The present research work pursues GMDH for predicting thermal and energy transport of 2-D radiative magnetohydrodynamic (MHD) flow of hybrid Sutterby nanofluid…”
Get full text

Real-time Thermal Error Compensation Strategy for Precision Machine tools by Narendra Reddy, T., Shanmugaraj, V., Vinod, Prakash, Gopi Krishna, S.

“…Present manufacturing trend is towards producing precision components with better accuracy. Machine errors like geometrical, thermal and process errors affect…”
Get full text