Browsing Year-2017 by Issue Date

Now showing items 1-20 of 246

Consequences of flow configuration and nanofluid transport on entropy generation in parallel microchannel cooling systems

Maganti, L.S.; Dhar, P. (2017-05-01)

While known to be superior coolants in stand–alone conditions, some scepticism exists with respect to the hydrodynamic and thermodynamic performance of nanofluids in real life applications. The present work employs ...
Evolution, challenges and path forward for low temperature combustion engines

Agarwal, A.K.; Singh, A.P.; Maurya, R.K. (2017-05-01)

Universal concerns about degradation in ambient environment, stringent emission legislations, depletion of petroleum reserves, security of fuel supply and global warming have motivated research and development of engines ...
Application of artificial bee colony algorithm for inverse modelling of a solar collector

Das, R.; Akay, B.; Singla, R.K.; Singh, K. (2017-05-01)

This paper deals with the inverse analysis of a double-glazed flatplate solar collector using the artificial bee colony (ABC) optimization algorithm. In domestic water heating, both low and high heat output from the ...
Heat spreader with parallel microchannel configurations employing nanofluids for near–active cooling of MEMS

Maganti, L.S.; Dhar, P.; Sundararajan, T.; Das, S.K. (2017-05-01)

While parallel microchannel based cooling systems (PMCS) have been around for quite a period of time, employing the same and incorporating them for near–active cooling of microelectronic devices is yet to be implemented ...
A chemosensor selection for the fluorescence identification of tryptophan (Trp) amino acids in aqueous solutions with nanomolar detection

Tayade, K.; Sonawane, M.; Torawane, P.; Singh, A.; Singh, A.; Kuwar, A. (2017-05-01)

A new disulfide-based, imine-linked fluorescent receptor 1 has been synthesized for the highly selective gratitude of tryptophan (Trp) among the all amino acids investigated in aqueous solutions via synergistic effects ...
Application of golay complementary coded excitation schemes for non-destructive testing of sandwich structures

Arora, V.; Mulaveesala, R. (2017-05-01)

In recent years, InfraRed Thermography (IRT) has become a widely accepted non-destructive testing technique to evaluate the structural integrity of composite sandwich structures due to its full-field, remote, fast and ...
Recyclable palladium catalyst cloths for carbon-carbon coupling reactions

Wilson, M.; Kore, R.; Fraser, R.C.; Beaumont, S.K.; Srivastava, R.; Badyal, J.P.S. (2017-05-01)

Low loading palladium catalyst cloths have been prepared by surface complexation of palladium(II) chloride with plasmachemical imidazole functionalised non-woven polypropylene cloth. For Sonogashira, Mizoroki-Heck, and ...
Generalized fractional Laplace motion

Gajda, J.; Wyłomańska, A.; Kumar, A. (2017-05-09)

In this paper, a new stochastic process called generalized fractional Laplace motion (GFLM) is introduced. This process is obtained by superposition of nnth-order fractional Brownian motion (nn-FBM) as outer process and ...
A 2-mercaptobenzimidazole-based emissive Cu(I) complex for selective determination of iodide with large Stokes shift

Singh, A.; Singh, A.; Singh, N.; Jang, D.O. (2017-05-19)

A Cu(I) complex of 2-mercaptobenzimidazole (R1) was synthesized and characterized using single-crystal X-ray diffraction. Complex R1 showing strong emission at 598 nm serves as a sensor for iodide determination. Upon ...
Scattering of oblique surface water waves by thin vertical barrier over undulating bed topography

Choudhary, A.; Martha, S.C. (2017-05-19)

The present study deals with the scattering of oblique surface water waves by small undulation on the bottom in the presence of a thin vertical barrier. Here, three different configurations of vertical barriers are ...
Template-free synthesis of Zn1–xCdxS nanocrystals with tunable band structure for efficient water splitting and reduction of nitroaromatics in water

Kaur, M.; Nagaraja, C.M. (2017-05-19)

A facile, one-pot, solvothermal synthesis of nanocrystals (NCs) of Zn1–xCdxS (x = 0.1 (S1)–0.9 (S9)) solid solutions has been successfully carried out using 4,4′-dipyridyldisulfide (DPDS = (C5H4N)2S2)) as a new ...
Highly efficient and recyclable basic mesoporous zeolite catalyzed condensation, hydroxylation, and cycloaddition reactions

Sarmah, B.; Satpati, B.; Srivastava, R. (2017-05-19)

Crystalline mesoporous ZSM-5 zeolite was prepared in the presence of 1,4-diazabicyclo[2.2.2]octane derived multi-cationic structure directing agent. The calcined form of the mesoprous zeolite was treated with NH4OH to ...
Microstructural evolution and strengthening behavior in in-situ magnesium matrix composites fabricated by solidification processing

Nagaraja, C.M.; Singh, H.; Surappa, M.K. (2017-05-19)

In-situ magnesium matrix composites with three different matrix materials (including Mg, AZ91 and AE44 Mg-alloys) were fabricated by injecting cross-linked polymer directly into the molten Mg/Mg-alloys, and having it convert ...
Effects of interplay of nanoparticles, surfactants and base fluid on the surface tension of nanocolloids

Harikrishnan, A.R.; Dhar, P.; Agnihotri, P.K.; Gedupudi, S.; Das, S.K. (2017-05-19)

A systematically designed study has been conducted to understand and demarcate the degree of contribution by the constituting elements to the surface tension of nanocolloids. The effects of elements such as surfactants, ...
Magnetoviscoelastic characteristics of superparamagnetic oxides (Fe, Ni) based ferrofluids

Katiyar, A.; Dhar, C.; Nandi, T.; Das, S.K. (2017-05-19)

Ferrofluids have been popular among the academic and scientific communities owing to their intelligent physical characteristics under external stimuli and are in fact among the first nanotechnology products to be employed ...
Magnetic recyclable microcomposite silica-steel core with TiO2 nanocomposite shell photocatalysts for sustainable water purification

Wilson, M.; Cheng, C.Y.C.; Oswald, G.; Srivastava, R.; Beaumont, S.K.; Badyal, J.P.S. (2017-05-23)

Micron-sized steel particles encapsulated within a silica host matrix and then coated with a photocatalytic TiO2 nanocomposite shell have been prepared using sol-gel chemistry and shown to readily degrade waterborne organic ...
Dihydropyrimidones based chloride ion chemosensor functional in aqueous solution under environmentally relevant conditions

Kaur, A.; Kaur, R.; Kuwar, A.; Singh, N.; Kaur, N. (2017-05-23)

Compounds 1 and 2 were synthesised using multi-component one-pot condensation reaction between 2-hydroxynaphthaldehyde, urea/thiourea and ethyl/methyl acetoacetate, catalysed with Zn(ClO4) 2·6H2O in methanol. Compounds ...
Analyses of significant features of l-Prolinium Picrate single crystal: an excellent material for non linear optical applications

Thukral, K.; Vijayan, N.; Vij, M.; Nagaraja, C.M.; Jayaramakrishnan, V.; Jayalakshmy, M.S.; Kant, R. (2017-05-23)

Today the fundamental aspect of the researchers is to explore maximum physical properties of the material for device fabrication. In the present article, single crystal X-ray diffraction has been carried out to verify the ...
Stable Lévy motion with inverse Gaussian subordinator

Kumar, A.; Wyłomańska, A.; Gajda, J. (2017-05-23)

In this paper we study the stable Lévy motion subordinated by the so-called inverse Gaussian process. This process extends the well known normal inverse Gaussian (NIG) process introduced by Barndorff-Nielsen, which arises ...
Computer modelling of bone’s adaptation: the role of normal strain, shear strain and fluid flow

Tiwari, A.K.; Prasad, J. (2017-05-29)

Bone loss is a serious health problem. In vivo studies have found that mechanical stimulation may inhibit bone loss as elevated strain in bone induces osteogenesis, i.e. new bone formation. However, the exact ...

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