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| 1 | Shock wave mitigation using zig-zag structures and cylindrical obstructions显示文摘The present study focuses on the mitigation of shock wave using novel geometric passages in the flow field.The strategy is to produce multiple shock reflections and diffractions in the passage with minimum flow obstruction,which in turn is expected to reduce the shock wave strength at the target location.In the present study the interaction of a plane shock front(generated from a shock tube)with various geometric designs such as,1)zig-zag geometric passage,2)staggered cylindrical obstructions and 3)zigzag passage with cylindrical obstructions have been investigated using computational technique.It is seen from the numerical simulation that,among the various designs,the maximum shock attenuation is produced by the zig-zag passage with cylindrical obstructions which is then followed by zig-zag passage and staggered cylindrical obstructions.A comprehensive investigation on the shock wave reflection and diffraction phenomena happening in the proposed complex passages have also been carried out.In the new zig-zag design,the initial shock wave undergoes shock wave reflection and diffraction process which swaps alternatively as the shock front moves from one turn to the other turn.This cyclic shock reflection and diffraction process helps in diffusing the shock wave energy with practically no obstruction to the flow field.It is found that by combining the shock attenuation ability of zig-zag passage(using shock reflection and diffraction)with the shock attenuation ability of cylindrical blocks(by flow obstruction),a drastic attenuation in shock strength can be achieved with moderate level of flow blocking. | Arun Kumar R Vaibhav Pathak | 2021 | Defence Technology(防务技术)2021，17，6： | 2 |
| 2 | A uniform geometrical theory of diffraction for an edge in a perfectly conducting surface 显示文摘 | Kouyoumjian R G Pathak P H | 1974 | Proc IEEE1974，62，11： | 1 |
| 3 | Empirical analysis of the impact of recommender systems on sales显示文摘 | Pathak B Garfinkel R Gopal R D | 2010 | Journal of Management Information Systems2010，27，2： | 1 |
| 4 | Comparison of the effects of hydrophobicity,amphiphilicity,and α-helicity on the activities of antimicrobial peptides显示文摘 | PATHAK N SALAS AUVERT R RUCHE G | 1995 | Proteins1995，22，2： | 1 |
| 5 | Acoustic harmonic radiation from fluid-loaded infinite cylindrical elastic shells using elasticity theory显示文摘 | PATHAK A G STEPANISHEN P R | 1994 | The Journal of the Acoustical Society of America1994，96，1： | 1 |
| 6 | The reification of absorptive capaci- ty : A critical review and rejuvenation of the Construct 显示文摘 | Lane P J Koka B R Pathak S | 2006 | Academy of Management Review2006，31，4： | 1 |
| 7 | Bioleaching of heavy metals from sewage sludge by indigenous iron- oxidizing microorganisms using ammonium ferrous sulfate and ferrous sulfate as energy sources :a comparative study 显示文摘 | Pathak A Dastidar M G Sreekrishnan T R | 2009 | J HazardMat2009，171，： | 1 |
| 8 | Molecular characterization of a membrane transporter for lactate, pyruvate, and other monocarboxylates: implications for the Cori cycle显示文摘 | GARCIA C K GOLDSTEIN J L PATHAK R K | 1994 | Cell1994，76，： | 1 |
| 9 | Bioleaching of heavy metals from sewage sludge: a review 显示文摘 | Ashish Pathak Dastidar M G Sreekrishnan T R | 2009 | Environmental Management2009，90，8： | 1 |
| 10 | DNA methylation induced changes in chromatin confor- mation of the promoter of the vitellogenin II gene of Japanese quail during aging 显示文摘 | GUPTA S PATHAK R U KANUNGO M S | 2006 | Gene2006，377，： | 1 |
| 11 | Alphavbeta3-integrin antagonists inhibit thrombin-induced proliferation and focal adhesion formation in smooth muscle cells显示文摘 | Sajid M Zhao R Pathak A | 2003 | Am J Physiol Cell Physiol2003，285，5： | 1 |
| 12 | Greenhouse gas emissions from India rice fields : Calibration and upscafing using the DNDC model 显示文摘 | Pathak H Li C Wassmann R | 2005 | Biogeosciences2005，2，2： | 1 |
| 13 | Trifluoroacetic acid: a more effective and efficient reagent for the synthesis of 3-arylmethylene-3,4-dihydro-1H-quinolin-2-ones and 3-arylmethyl-2-amino-quinolines from Baylis-Hillman derivatives via Claisen rearrangement 显示文摘 | Pathak R Madapa S Batra S | 2007 | Tetrahedron2007，63，2： | 1 |
| 14 | Diastolic function is a strong predictor of mortality in patients with chronic kidney disease显示文摘 | Farshid A Pathak R Shadbolt B | 2013 | BMC Nephrol2013，14，： | 1 |
| 15 | Constituents of the aerial parts of Rumex nepalensis Spreng 显示文摘 | Khetwal K S Manral K Pathak R P | 1987 | lndian Drugs1987，24，7： | 1 |
| 16 | Combination angiostatin and endostatin gene transfer induces synergistic antiangiogenic activity in vitro and antitumor efficacy in leukemia and solid tumors in mice显示文摘 | Scappatieei FA Smith R Pathak A | 2001 | Mol Ther2001，3，2： | 1 |
| 17 | Investigation of hydraulie activity of ground granulated blast furnace slag in concrete 显示文摘 | Pala S C Mukherjee A Pathak S R | 2003 | Cement and Concrete Research2003，33，9： | 1 |
| 18 | A uniform theory of diffration foran edge in a perfectly conducting surface显示文摘 | R A Koayoumjian P H Pathak | | 0，，11： | 1 |
| 19 | Nanostructured lipid carrier ver- sus solid lipid nanoparticles of simvastatin: compara- tive analysis of characteristics, pharmacokinetics and tissue uptake显示文摘 | Tiwari R Pathak K | 2011 | International journal of pharmaceu- tics2011，415，1： | 1 |
| 20 | Benzoxazine- Epoxy Copolymers: Effect of Molecular Weight and Crosslinking on Thermal and Viscoelastic Properties显示文摘 | Rao B S Reddy K R Pathak S K | 2005 | Polymer International2005，54，： | 1 |
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