112 research outputs found
Propagation of spherically expanding premixed flames
No full textThe propagation of spherically expanding premixed flames is investigated, in both confined and unconfined scenarios. In the unconfined case, the flame propagates at nearly isobaric conditions and the flame displacement speed eventually reaches a constant value whereas in the confined case there is pressure buildup which affects the flame displacement speed which increases as the flame grows larger. In the confined case, the evolution of the flame with time is studied with emphasis on properties like pressure as a function of time, temperature and velocity field in the channel and the displacement speed. The temperature profiles over the domain are obtained which give an idea about the flame thickness at that instant in time. Effect of the Lewis number on the behavior of the flame is examined in the unconfined scenario. Also, the effect of stretch rate on local density weighted flame displacement speeds is studied, which indicates toward the consistent definition of the flame displacement speed.
The numerical results are compared with a non-linear analytical model that treats the flame as a density discontinuity. This model requires only solving the hydro dynamic equations along with the appropriate jump conditions across the flame front. The main difference between the numerical and the analytical solution is that the numerical solution takes into consideration a finite rate chemistry throughout the domain whereas in the analytical solution the reaction rate is modeled as a delta function. Similarities and differences between
the analytical and the numerical solution are studied.Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2017-05-01The student, Omkar Lokhande, accepted the attached license on 2015-04-28 at 12:29.The student, Omkar Lokhande, submitted this Thesis for approval on 2015-04-28 at 12:40.This Thesis was approved for publication on 2015-04-29 at 15:44.DSpace SAF Submission Ingestion Package generated from Vireo submission #8156 on 2015-07-22 at 14:26:32Made available in DSpace on 2015-07-22T22:46:06Z (GMT). No. of bitstreams: 2
LOKHANDE-THESIS-2015.pdf: 1939170 bytes, checksum: 24bec485799535ed19ca0cfa0e7e6381 (MD5)
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Previous issue date: 2015-04-29Embargo set by: Seth Robbins for item 80034
Lift date: 2017-07-22T22:46:21Z
Reason: Author requested closed access (OA after 2yrs) in Vireo ETD systemLimited Restriction Lifted for Item 80034 on 2017-07-23T09:15:17Z
Effect of morphology on supercapacitive properties of chemically grown beta-Ni(OH)(2) thin films
No full textAbstract not availableD.P. Dubal, V.J. Fulari, C.D. Lokhand
Electrodeposition of semiconductor layers of In-Se, CuSe and Cu-In-Se
No full textThe semiconducting layers of indium-selenide (In-Se), copper-selenide (Cu-Se) and copper-indium-selenide (Cu-ln-
Se) have been electrodeposited under d.c. conditions. As deposited, tn-Se and Cu-Se layers were selenium rich.
Heat treatment resulted in the formation of In-Se and Cu1.72-Se compounds.
Cu-In-Se layers have been prepared by three routes; by sequential electrodeposition of In-Se layer on Cu-Se;
vice versa; and direct electrodeposition of Cu-In-Se layers. All these layers were found to be Cu-rich and polycrystallinein nature
Electrochemical behavior of potentiodynamically deposited cobalt oxyhydroxide (CoOOH) thin films for supercapacitor application
No full textAbstract not availableA.D. Jagadale, D.P. Dubal, C.D. Lokhand
Studies on large area (∼50 cm2) MoS2 thin films deposited using successive ionic layer adsorption and reaction (SILAR) method
No full textPreparation and characterization of nickel sulphide thin films using successive ionic layer adsorption and reaction (SILAR) method
No full text
Chemical route to synthesis of mesoporous ZnO thin films and their liquefied petroleum gas sensor performance
No full textGrowth of copper sulphide thin films by successive ionic layer adsorption and reaction (SILAR) method
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