Rajasthan, India
Rajasthan, India

Mewar University is an autonomous body set up by the Government of Rajasthan through Act. No. 4 of 2009, passed by the Rajasthan Assembly . The University is further approved by the UGC under us 22 of the UGC Act vide letter No.F.9-15/2009 dt. 30 March 2009. Mewar University is promoted by the Mewar Education Society , headed by Dr. Ashok Kumar Gadiya. It is controlled by a Board of Management, constituted by the MES. Wikipedia.

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Joshi H.,Mewar University | Pensia R.K.,S J Government Girls College
Physics of Plasmas | Year: 2017

The influence of rotation on the Jeans instability of homogeneous magnetized radiative quantum plasma is investigated. The basic equations of the problem are constructed and linearized by using the Quantum Magnetohydrodynamics (QMHD) model. The general dispersion relation is obtained by using the normal mode analysis technique, which is reduced for both the transverse and the longitudinal mode of propagations and further it is reduced for the axis of rotation parallel and perpendicular to the magnetic field. We found that the stabilizing effects of rotation are decreases for a strong magnetic field which is shown in the graphical representation. We also found that the quantum correction modified the condition of Jeans instability in both modes of propagation. The stabilizing effect of rotation is more increased in the presence of quantum correction. © 2017 Author(s).

A simple, rapid, specific and precise liquid chromatography-tandem mass spectrophotometric (LC-MS/MS) validated method was developed for quantification of Bortezomib in human plasma. Bortezomib D3 was used as internal standard, added to plasma sample prior to extraction using 0.1% formic acid in acetonitrile as a precipitating agent. The interferences due to protein denaturation were removed using captiva SPE filter cartridge of 0.45μm. Chromatographic separation was achieved on ACE 5CN column (150mmx4.6mm) with acteonitrile: 10 mM ammonium formate buffer (75:25 v/v) as an isocratic mobile phase with a flow rate of 1 ml/min. the LC eluent was split, and approximately 0.1ml/min was introduced in to Tandem mass spectrometer using turbo Ion Spray interface at 325°C. Quantitation was performed by transition of 367.3 → 226.3 (m/z) for Bortezomib and 370.3 → 229.2(m/z) for Bortezomib D3. The concentrations of ten working standards showed linearity between 2 to 1000 ng/ml (r2 ≥ 0.998). Chromatographic separation was achieved within 3.5 min. The average extraction recoveries of three quality control concentrations were 82.71% for Bortezomib and were within the acceptance limits. The coefficient of variation was ≤15% for intra- and inter-batch assays. The assay is suitable for pharmacokinetic study samples as demonstrated by its specificity, precision, accuracy, recovery, and stability characteristics. © 2017 Bhetanabotla Chandramowli and Bigala B. Rajkamal.

Sharma S.,Mewar University | Dwivedi V.K.,Galgotias University | Pandit S.N.,Noida Institute of Engineering and Technology
International Journal of Green Energy | Year: 2014

Thermoelectric devices are solid-state devices. Semi-conductor thermoelectric power generation, based on the Seebeck effect, and semi-conductor thermoelectric cooling, based on the Peltier effect, have interesting capabilities compared to conventional power generation and cooling systems. The absence of moving components results in increase in reliability, a reduction in maintenance, and an increase of system life; the modularity allows for application in wide range without significant losses in performance; the absence of working fluid avoids environmental dangerous leakages; and the noise reduction appears also to be an important feature. With the rapid development of techniques to make excellent semi-conductor materials the practical applications and theoretical investigations of the thermoelectric devices have come into focus. This article begins with a brief overview of thermoelectric technology, thermoelectric materials, thermoelectric module construction and operation. A review of recent developments in research, commercial development, and typical applications of thermoelectric devices is made. The article draws conclusions on the development and potential application of thermoelectric devices suitable for thermoelectric cooling. © Taylor & Francis Group, LLC.

Singh N.,Mewar University | Kumar Y.,MANIT
Proceedings - 4th International Conference on Computational Intelligence and Communication Networks, CICN 2012 | Year: 2012

Economic load dispatch (ELD) is an important optimization task in power system. It is the process of allocating generation among the committed units such that the constraints imposed are satisfied and the fuel cost is minimized. Particle swarm optimization (PSO) is a population-based optimization technique that can be applied to a wide range of problems but it lacks global search ability in the last stage of iterations. This paper used a novel PSO with a moderate-random-search strategy (MRPSO), which enhances the ability of particles to explore the solution spaces more effectively and increases their convergence rates. In this paper the power and usefulness of the MRPSO algorithm is demonstrated through its application to three and six generator systems with ramp rate limit constraints. © 2012 IEEE.

Singh S.,MMH College Ghaziabad UP | Rani G.,Mewar University
Acta Chimica Slovenica | Year: 2012

This study is related with the development of Pr 3+ selective membrane sensor using 1,5-Bis-(o-aminophenol)-3-thiapentane as a neutral carrier. The sensor with membrane composition of 33% PVC, 54%, o-NPOE, 8% NaTPB and 5% ionophore, exhibits a Nernstian response for Pr 3+ ion, with a wide concentration range of 3.0 × 10 -9-1.0 × 10 -2 mol/L, low detection limit (1.0 × 10 -9 mol/L) and slope of 23.50.3mV decade -1 of activity with in pH range of 2.0-8.8 and fast response time of 7s. The sensor was also found to work satisfactorily in partially non-aqueous media up to 25% (v/v) content of methanol, ethanol or acetone and could be used for a period of 8 months without any change in response characteristics. The proposed membrane electrode was successfully applied as an indicator electrode for the titration of Pr 3+ ion (1.0 × 10 -3 M) with a standard EDTA solution (1.0 × 10 -3 M).

Singh V.V.,Yobe State University | Gulati J.,Mewar University
Proceedings of the 2014 International Conference on Issues and Challenges in Intelligent Computing Techniques, ICICT 2014 | Year: 2014

This paper deals with the reliability and cost analysis of two unit standby redundant complex system under different repair facility. The system consists of two units' main unit and standby unit connected in standby redundancy. The main units as well as standby unit are assumed to go under two types of failure-partial failure and complete failure. Whenever main unit fails completely, the standby unit takes its load via switch over device. The failed unit goes under repair, if repair facility is available or waits for repair if facility is not available. The system will completely break down if the main unit is under repair and standby unit fails. The failure rates are constant and assumed to follow exponential distribution. Repair follows two types of distribution-general distribution and Gumbel-Hougaard family copula distribution. The system is studied by using supplementary variable technique and Laplace transform. The various measure of reliability has been discussed. Evaluations for some special cases have also been highlighted © 2014 IEEE.

Ojha D.B.,Mewar University
Tamkang Journal of Mathematics | Year: 2012

This article is concerned with a pair of second-order symmetric duals in the context of non-differentiable multiobjective fractional programming problems. We establish the weak and strong duality theorems for the new pair of dual models. Discussion on some special cases shows that results in this paper extend previous work in this area.

Singh V.V.,Vinodini PG College | Ram M.,Graphic Era University | Rawal D.K.,Mewar University
IEEE Transactions on Automation Science and Engineering | Year: 2013

We present a novel method for cost analysis of an engineering system, which consists of two subsystems, viz. subsystem-1 and subsystem-2 with controllers. Subsystem-1 works under the k-out-of-n: good policy. Subsystem-2 consists of three identical units in parallel configuration. Both of these subsystems are connected in series. The controllers control both the subsystems. The operator who is assigned to operate the system may not be satisfied with the organization and hence may fail the whole system deliberately. The system is studied by supplementary variable technique. Various measures of reliability have been discussed. © 2004-2012 IEEE.

Singh S.,P.A. College | Rani G.,Mewar University
Bulletin of the Korean Chemical Society | Year: 2012

The two chelates based on calix[4]arene and thiacalix[4]arene have been synthesized and used as neutral ionophores for preparing PVC based membrane sensor selective to Ho 3+ ion. The addition of potassium tetrakis(4-chlorophenyl)borate (KTpClPB) and various plasticizers, viz., NDPE, o-NPOE, DOP, TEP and DOS have been found to improve significantly the performance of the sensors. The best performance was obtained with the sensor no. 6 having membrane of L2 with composition (w/w) ionophore (2%): KTpClPB (4%): PVC (37%): NDPE (57%). This sensor exhibits Nernatian response with slope 21.10 ± 0.3 mV/decade of activity in the concentration range 3.0 × 10?8 - 1.0 × 10?2 M Ho 3+ ion, with a detection limit of 1.0 × 10?8 M. The proposed sensor performs satisfactorily over a wide pH range of 2.8-10, with a fast response time (5 s). The sensor was also found to work successfully in partially non-aqueous media up to 25% (v/v) content of methanol, ethanol and acetonitrile, and can be used for a period of 4 months without any significant drift in potential. The electrode was also used for the determination of Ho 3+ ions in synthetic mixtures of different ions and the determination of the arsenate ion in different water samples.

Sharma S.,Mewar University | Dwivedi V.K.,Mewar University | Pandit S.N.,Mewar University
International Journal of Energy Research | Year: 2014

Thermoelectric devices are solid-state devices. Semiconductor thermoelectric cooling, based on the Peltier effect, has interesting capabilities compared to conventional cooling systems. In this work second law analysis of thermoelectric coolers has been done with the help of exergy destruction. In the first part, performance of single-stage thermoelectric coolers and multi stage thermoelectric coolers has been compared for same number of thermoelectric elements i.e. 50. The performance parameters considered to compare their performance are rate of refrigeration, coefficient of performance, second law efficiency and exergy destruction. In second part, multi stage thermoelectric coolers have been analyzed for three different combinations of number of elements in two stages of thermoelectric coolers. The result of the analysis shows that the performance of a multi stage thermoelectric cooler which has total 50 elements gives best performance when it has 30 elements in hotter side and 20 elements in colder side out of the three cases considered. The comparison of single-stage thermoelectric cooler and multistage thermoelectric cooler shows that for same number of elements rate of refrigeration (ROR) of single-stage thermoelectric cooler is much higher than that of multi stage thermoelectric cooler. The COP remains same for both of them but the peak value of cop is obtained at much lower value of current supplied in multi stage thermoelectric cooler. Exergy destruction has constant values in single stage as well as multi stage thermoelectric cooler when the two stages have equal number of elements but it decreases with increase in x. The result of comparison of multistage thermoelectric cooler for three values of x i.e. 0.5, 1, 1.5 shows that the COP, ROR and second law efficiency improve and exergy destruction degrades with increase in x and the best performance has been obtained for x=1.5 out of the three values considered. © 2013 John Wiley & Sons, Ltd.

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