Search Results - "Iyer, K.N"

Experimental investigation of iodine removal and containment depressurization in containment spray system test facility of 700 MWe Indian pressurized heavy water reactors by Jain, Manish, Kandar, T.K., Vhora, S.F., Mohan, Nalini, Iyer, K.N., Prabhu, S.V.

“…As an additional safety measure in the new 700 MWe Indian pressurized heavy water reactors, the first of a kind system called containment Spray System is…”
Get full text

An experimental study on the depressurization of the containment by water spray in a small scale facility by Jain, Manish, Kandar, T.K., Vhora, S.F., Rao, R.S., Mahesh, K., Gupta, A., Iyer, K.N., Prabhu, S.V.

“…•Effect of spray mass flow rate, SMD and nozzle geometry is on the vessel depressurization is studies in a scaled down facility.•Decrease in pressure and…”
Get full text

Day-to-day variability of equatorial anomaly in GPS-TEC during low solar activity period by Aggarwal, Malini, Joshi, H.P., Iyer, K.N., Kwak, Y.-S., Lee, J.J., Chandra, H., Cho, K.S.

“…The ionospheric total electron content (TEC) in the northern hemispheric equatorial ionization anomaly (EIA) crest region is investigated by using…”
Get full text

Experimental and numerical studies of choked flow through adiabatic and diabatic capillary tubes by Deodhar, Subodh D., Kothadia, Hardik B., Iyer, K.N., Prabhu, S.V.

“…Capillary tubes are extensively used in several cooling applications like refrigeration, electronic cooling etc. Local pressure variation in adiabatic straight…”
Get full text

Characterization of the full cone pressure swirl spray nozzles for the nuclear reactor containment spray system by Jain, Manish, John, Benny, Iyer, K.N., Prabhu, S.V.

“…•Full cone spray pressure swirl nozzle with X-Vane is studied.•Laser illuminated imaging technique is used.•Correlations for coefficient of discharge, spray…”
Get full text

Experimental investigation of iodine removal and containment depressurization in containment spray system test facility of 700MWe Indian pressurized heavy water reactors by Jain, Manish, Kandar, T.K., Vhora, S.F., Mohan, Nalini, Iyer, K.N., Prabhu, S.V.

“…•Depressurization rate in a scaled down vessel filled with air and steam is studied.•Iodine removal rate in a scaled down vessel filled with steam/air is…”
Get full text

Experimental investigations on melting of lead in a cuboid with constant heat flux boundary condition using thermal neutron radiography by Kumar, Lokendra, Manjunath, B.S., Patel, R.J., Markandeya, S.G., Agrawal, R.G., Agrawal, Ashish, Kashyap, Y., Sarkar, P.S., Sinha, Amar, Iyer, K.N., Prabhu, S.V.

“…Knowledge of the melting of lead (shielding material) in enclosures is of great importance in the design of transportation packages. An experimental…”
Get full text

Response of the EIA ionosphere to the 7-8 May 2005 geomagnetic storm by Aggarwal, Malini, Joshi, H.P., Iyer, K.N., Kwak, Y.S.

“…•We studied response of low-latitude ionosphere to a moderate geomagnetic storm of 7-8 May 2005 from a near EIA crest region.•A significant enhancement of TEC…”
Get full text

Long‐term variations of surface air temperature during summer in India by Ganguly, Nandita D., Iyer, K. N.

“…Increase in our earth's surface air temperature has been a subject of major concern in the recent years, as it may destroy the existing ecosystem and exert…”
Get full text

Studies of electron and ion temperatures at 500km altitude during sunrise using Indian SROSS C2 satellite by Aggarwal, Malini, Joshi, H.P., Iyer, K.N., Jivani, M.N.

“…Solar dependence of electron and ion temperatures (T sub(e) and T sub(i)) in the ionosphere is studied using RPA data onboard SROSS C2 at an altitude of ~500km…”
Get full text

Studies of electron and ion temperatures at 500 km altitude during sunrise using Indian SROSS C2 satellite by Aggarwal, Malini, Joshi, H.P., Iyer, K.N., Jivani, M.N.

“…Solar dependence of electron and ion temperatures ( T e and T i) in the ionosphere is studied using RPA data onboard SROSS C2 at an altitude of ∼500 km and…”
Get full text

Solar activity dependence of electron and ion temperatures using SROSS C2 RPA data and comparison with IRI model by Aggarwal, Malini, Joshi, H.P., Iyer, K.N.

“…Electron and ion temperature ( T e and T i) data observed using RPA on board SROSS C2 satellite are investigated for the variation with local time, season,…”
Get full text

Equatorial anomaly effects on GPS scintillations in brazil by de Paula, E.R, Rodrigues, F.S, Iyer, K.N, Kantor, I.J, Abdu, M.A, Kintner, P.M, Ledvina, B.M, Kil, H

“…In a collaborative study, INPE and Cornell University have installed several Global Positioning System (GPS) based scintillation monitors over the Brazilian…”
Get full text

Coronal mass ejection of 4 April 2000 and associated space weather effects by Jadav, R.M., Iyer, K.N., Joshi, H.P., Vats, Hari Om

“…The effects of a Halo Coronal Mass Ejection (CME) erupted on 4 April 2000 are studied and reported here. The effect of such CME on the interplanetary medium…”
Get full text

Spectral Variation of Total Column Aerosol Optical Depth over Rajkot: A Tropical Semi-arid Indian Station by Ranjan, Ritweej Rajeev, Joshi, H.P., Iyer, K.N.

“…Spectral aerosol optical depth (AOD) measurements, estimated from two hand-held, microprocessor-based sun photometers [MICROTOPS-II (version 2.43 & 5.5)] over…”
Get full text

Equatorial electrojet 3-M irregularity dynamics during magnetic disturbances over Brazil: results from the new VHF radar at São Luı́s by Abdu, M.A., Dinardini, C.M., Sobral, J.H.A., Batista, I.S., Muralikrishna, P., Iyer, K.N., Veliz, O., de Paula, E.R.

“…Data collected during the first two observational campaigns, conducted in August 1998 and December 1999, using the new 50 MHz coherent back-scatter radar,…”
Get full text

Equatorial spread F: Statistical comparison between ionosonde and scintillation observations and longitude dependence by Iyer, K.N., Jivani, M.N., Pathan, B.M., Sharma, S., Chandra, H., Abdu, M.A.

“…Spread F on ionograms and scintillations of trans-ionospheric signals arise from unstable structure of the ionospheric F-region occurring predominantly by…”
Get full text

Comparative study of TEC near the crest of the equatorial anomaly with IRI model for solar minimum to solar maximum by Iyer, K.N., Joshi, H.P., Jivrajani, R.D., Aravindakshan, P.

“…The validity of the IRI(CCIR) model in the equatorial anomaly region is tested with Total Electron Content (TEC) data of two equatorial anomaly crest stations…”
Get full text

Variability of the solar coronal rotation by Vats, Hari Om, Deshpande, M.R., Mehta, M., Iyer, K.N., Shah, K.J., Shah, C.R.

“…Helioseismology measurements have begun to provide a picture of Suns angular velocity as a function of both depth and latitude. The rate of improvement of our…”
Get full text

A Novel Approach to Depth Image Based Rendering Based on Non-Uniform Scaling of Depth Values by Iyer, K.N., Chari, M., Kannan, H.

“…Depth image based rendering (DIBR) is one of the key technologies to realize future three dimensional television (3DTV) systems. In this paper, we propose a…”
Get full text