Volume-7 , Issue-5 , Oct 2019, ISSN 2348-3423 (Online) Go Back

• Open Access   Article

  Synthesis and Characterization Of Diethyl 4-Amino-1-(3-Chlorophenyl)-1H-Pyrazole-3,5 Dicarboxylate

  Garima Jain, Ashutosh Mishra

  Research Paper | Journal-Paper (IJSRPAS)

  Vol.7 , Issue.5 , pp.1-3, Oct-2019

  CrossRef-DOI:   https://doi.org/10.26438/ijsrpas/v7i5.13

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  In the present study, Diethyl 4-amino-1-(3-chlorophenyl) -1H-pyrazole-3,5 dicarboxylate (D4A1(3-cl)1HP35D) was synthesized. The structure of newly synthesized compounds of Diethyl 4-amino-1-(3-chlorophenyl -1H-pyrazole-3,5 dicarboxylate was characterized by x-ray diffraction (XRD), Fourier transforms infrared spectroscopy (FTIR) and Transmission electron microscopy (TEM). The compound has been prepared by the chemical root method and crystal structure was determined by x-ray diffraction technique. The XRD pattern of (D4A1(3-cl)1HP35D) confirms the crystalline nature and (h k l) values are indexed. From the experimental analysis, the presence of functional groups in the synthesized compound and particle size of the compound has been estimated by FTIR and TEM spectroscopy

  Key-Words / Index Term
  Pyrazole, Synthesis, XRD, FTIR, TEM spectroscopy

  References
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  Citation
  Garima Jain, Ashutosh Mishra, "Synthesis and Characterization Of Diethyl 4-Amino-1-(3-Chlorophenyl)-1H-Pyrazole-3,5 Dicarboxylate," International Journal of Scientific Research in Physics and Applied Sciences, Vol.7, Issue.5, pp.1-3, 2019

• Open Access   Article

  Mapping of Nambu-Goto String in d Space-time Dimension and QCD Potential

  Sabyasachi Roy, Dilip Kumar Choudhury

  Research Paper | Journal-Paper (IJSRPAS)

  Vol.7 , Issue.5 , pp.4-6, Oct-2019

  CrossRef-DOI:   https://doi.org/10.26438/ijsrpas/v7i5.46

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  The bosonic string potential model proposed by Nambu and Goto contains Coulombic Lüscher term, which is a function of the space-time dimension ‘d’. In this work, we report some novel features of QCD-String mapping, if the colour-cum-flavour dependent coefficient of the QCD coulomb potential and the Luscher coefficient in d space-time dimension are conjectured to be equivalent

  Key-Words / Index Term
  Nambu-Goto string, Luscher term, QCD

  References
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  Citation
  Sabyasachi Roy, Dilip Kumar Choudhury, "Mapping of Nambu-Goto String in d Space-time Dimension and QCD Potential," International Journal of Scientific Research in Physics and Applied Sciences, Vol.7, Issue.5, pp.4-6, 2019

• Open Access   Article

  Maxwell’s Generalisation: Displacement Current

  S.K. Parida

  Research Paper | Journal-Paper (IJSRPAS)

  Vol.7 , Issue.5 , pp.7-10, Oct-2019

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  The enlightenment of the article is to introduce the basic concepts and terminology for the understanding of the electromagnetic induction i.e. the relation of electricity and magnetism. A special attention has been given to the concept of displacement current introduced by James Clerk Maxwell to explain the equation of continuity of charges. The changing electric field is the source of the magnetic field and vice versa. During the discussion of the topic, we make an attempt to understand some terminology, the typical value of principles & all boxed equations

  Key-Words / Index Term
  displacement current, electromagnetic induction, electrodynamics, magnetic monopole

  References
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  Citation
  S.K. Parida, "Maxwell’s Generalisation: Displacement Current," International Journal of Scientific Research in Physics and Applied Sciences, Vol.7, Issue.5, pp.7-10, 2019

• Open Access   Article

  Comparative Study of Odd and Even Solar Cycles

  Sarver Ahmad khan, Niyaz Ahmad, Shabir Ahamd, C.M. tiwari, A.K. Saxena, A.P. Mishra, G.N. Singh, K.L. Jaiswal

  Research Paper | Journal-Paper (IJSRPAS)

  Vol.7 , Issue.5 , pp.11-15, Oct-2019

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  Several solar activity phenomena occurring on the surface of the Sun, such as Sunspot number (SSN), Solar flare index (SFI), Solar flux (SF) etc. known as Solar activity. The Solar phenomena produced during 11- year cycle variation which is known as 11- year solar activity cycle. The Sunspot number (SSN), Solar flare index (SFI), grouped Solar flares (GSF) and Solar flux (SF) for the Solar cycle 21 to 24 have been analyzed. We have found that Sunspot number (SSN) and Solar flux (SF) are highly correlated in solar cycle 21 as compared to solar cycle 23. We have found that Sunspot number (SSN) and Solar flux are highly correlated in solar cycle 22 and are not highly correlated with solar cycle 24. Also we have found that Sunspot number (SSN) and (GSF) are highly correlated in Solar cycle 21 as compared to Solar cycle 22 and Solar cycle 23 and Solar flux (SF) are highly correlated in Solar cycle 21 as compared to Solar cycle 22 and Solar cycle 23. The maximum value of Sunspot number for Solar cycle 22 is greater than the maximum value of Sunspot number for Solar cycle 21, Solar cycle 23 and Solar cycle 24 and the maximum value of Grouped solar flare for Solar cycle 21 is greater than the maximum value of Solar flare for Solar cycle 22 and Solar cycle 23. The maximum value of solar flux for solar cycle 22 is greater than the maximum value of solar flux for solar cycle 21, 23 and 24

  Key-Words / Index Term
  Sunspot number (SSN), Solar cycle (SC), Solar Flux (SF), Solar flare index (SFI) and Grouped Solar Flare (GSF)

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  Citation
  Sarver Ahmad khan, Niyaz Ahmad, Shabir Ahamd, C.M. tiwari, A.K. Saxena, A.P. Mishra, G.N. Singh, K.L. Jaiswal, "Comparative Study of Odd and Even Solar Cycles," International Journal of Scientific Research in Physics and Applied Sciences, Vol.7, Issue.5, pp.11-15, 2019

• Open Access   Article

  Linear and Non-Linear Turbulence Models of shock/boundary-layer interaction at Hypersonic Flows

  Sravan kumar Kota, Mohamaed Shahid

  Research Paper | Journal-Paper (IJSRPAS)

  Vol.7 , Issue.5 , pp.16-25, Oct-2019

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  Association of shock waves with a turbulent boundary layer assumes a significant job in the structure and operability of fast aviation vehicles and air-breathing motors. The antagonistic pressure slope of the shock is frequently sufficiently able to isolate the boundary layer. The target of present research paper bargains hypersonic viscous streams overwhelmed by solid shock wave boundary layer associations over wing-fold and wing-fuselage intersection setups have been broke down. The impacts of the control surface diversion point, driving edge shape and viscous association parameter on the stream field have been assessed. Moreover, the variations of angle of attack with linear and nonlinear turbulent eddy viscous models have been studied. Scaling laws for the upstream impact, pinnacle warming, Pressure co-effective, Skin contact and streamlined coefficients have been set up by methods for numerical re-enactments and hypothetical contemplations. Both Linear and Non-Linear disturbance models are considered during reproduction of SWBLI. Tecplot assumes a pivotal job for deciphering and post processing CFD information to numerical data for differentiating by and large. Also, great emphasis has given to enlarge the interaction zone in order to visualize the precise conditions hindered around the separation bubble and wall. CFL number variations have affected to ascend the contour levels substantially to attain the exact vectors for boundary conditions

  Key-Words / Index Term
  High speed flows, Shock wave, Boundary layer, Separation bubble, Turbulence modeling, Shock Interaction

  References
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  [8] H .Tennekes, J.L Lumley, “A first course in Turbulence” The Massachusetts Institute of Technology Press,1st edition, pages:7-11,52-57,1972
  

  Citation
  Sravan kumar Kota, Mohamaed Shahid, "Linear and Non-Linear Turbulence Models of shock/boundary-layer interaction at Hypersonic Flows," International Journal of Scientific Research in Physics and Applied Sciences, Vol.7, Issue.5, pp.16-25, 2019