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Journal articles on the topic 'Blunt body'

Author: Grafiati

Published: 6 September 2023

Last updated: 26 July 2025

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1

Patel, Payal, Riddhi Patel, Payal Rathod, Nikita Prajapati, Nizama Vishal, and Rana Mehul. "Analysis of Drag Reduction over Different Types of Blunt Bodies at Different Angle of Attack." International Journal of Innovative Science and Research Technology 8, no. 3 (2023): 797–805. https://doi.org/10.5281/zenodo.7767592.

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The main intention of this project is to do relative analysis of Drag Reduction over Blunt Bodies at varied Angles of Attack in Supersonic Flow. In this project we have taken plain blunt body attached with different types of spikes which are like as 1. Blunt nose 2. Conical spike 3. Flat faced aero disc 4. Hemispherical spike 5. Breathing Blunt nose. For competitive analysis and results based on the different angle of attack with 0, 5 and 8 on that blunt body with spikes. Numerical simulation was carried out using CFD with SST komega model adopted. The hemispherical body is found to be efficie

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2

Fan, Liguo, Guoqiang Liu, Xianjin Song, Ce Xiang, Jiacheng Wei, and Hui Xia. "Simulation and Experiments on Optimization of Vortex-Induced Vibration Power Generation System Based on Side-by-Side Double Blunt Bodies." Energies 17, no. 21 (2024): 5291. http://dx.doi.org/10.3390/en17215291.

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In order to improve the utilization efficiency of converting low-flow current energy into electric energy for Reynolds number 10,000 ≤ Re ≤ 40,000, this paper proposes a vortex-induced vibration power generation system based on a side-by-side double blunt body. In this system, the side-by-side double blunt body structure is used in the current energy capture part to enhance the collection of low-flow current energy; the permanent magnet linear motor is used in the electric energy conversion part to improve the efficiency of electric energy conversion; and a laboratory device is constructed for

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3

Li, Yong Hong, Xin Wu Tang, and Wei Qun Zhou. "Aerodynamic and Numerical Study on the Influence of Spike Shapes at Mach 1.5." Advanced Materials Research 1046 (October 2014): 177–81. http://dx.doi.org/10.4028/www.scientific.net/amr.1046.177.

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Taking into account the issue of configuration or aerodynamic heating, most supersonic and hypersonic flight vehicles have to use the blunt-nosed body. However, in supersonic especially in hypersonic flow the strong bow shock ahead of the blunt nose introduces a rather high shock drag that affects the aerodynamic performance of the vehicles seriously. A spike mounted on a blunt body during its flight pushes the strong bow shock away from the body surface and forms recirculation flow with low pressure ahead of the body surface, and then decreases the drag. The drag reduction effects of spikes i

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4

Hollis, Brian R., and Salvatore Borrelli. "Aerothermodynamics of blunt body entry vehicles." Progress in Aerospace Sciences 48-49 (January 2012): 42–56. http://dx.doi.org/10.1016/j.paerosci.2011.09.005.

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5

Watanabe, Yasumasa, Kojiro Suzuki, and Ethirajan Rathakrishnan. "Aerodynamic characteristics of breathing blunt nose configuration at hypersonic speeds." Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering 231, no. 5 (2016): 840–58. http://dx.doi.org/10.1177/0954410016643979.

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Breathing blunt nose technique is one of the promising methods for reducing the drag of blunt-nosed body at hypersonic speeds. The air, traversed by the bow shock positioned ahead of the nose, at the stagnation region is allowed to enter through a hole at the blunt-nose and ejected at the rear part (base region) of the body. This manipulation reduces the positive pressure over the stagnation regions of the nose and increases the pressure at the base, resulting in reduced suction at the base. The simultaneous manifestation of reducing the compression at the nose and suction at the base regions

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6

Rofi’i, Ahmad Syafiq, Aditia Aulia, Muhammad Ferry Fadri, Muhammad Haidar Syarif, Elvira Rosmawati Rahman, and Gunawan Dwi Haryadi. "Numerical investigation on the effect of blunt body deflector on darieus turbine performance." E3S Web of Conferences 475 (2024): 03002. http://dx.doi.org/10.1051/e3sconf/202447503002.

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One of the renewable energy source that is abundant but has not been used optimally is wind energy. Roads are currently the main transportation infrastructure along with the increasing number of motorized vehicles. Wind is one of the best renewable energy sources that can be utilized on the highway where it can be used as a power source to drive the Vertical Axis Wind Turbine (VAWT). Darrieus type turbines can operate at low wind speeds and do not require a specific wind direction. However, the installation of this wind turbine on the highway can be hampered due to the presence of highway ligh

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7

Kazemba, Cole D., Robert D. Braun, Ian G. Clark, and Mark Schoenenberger. "Survey of Blunt-Body Supersonic Dynamic Stability." Journal of Spacecraft and Rockets 54, no. 1 (2017): 109–27. http://dx.doi.org/10.2514/1.a33552.

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8

Shang, J. S., J. Hayes, J. Menart, and J. Miller. "Blunt Body in Hypersonic Electromagnetic Flow Field." Journal of Aircraft 40, no. 2 (2003): 314–22. http://dx.doi.org/10.2514/2.3095.

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9

Carlson, Henry A. "Aerothermodynamic Analyses of Hypersonic, Blunt-Body Flows." Journal of Spacecraft and Rockets 36, no. 6 (1999): 912–15. http://dx.doi.org/10.2514/2.3511.

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10

Knops, R. J., and Piero Villaggio. "An Approximate Treatment of Blunt Body Impact." Journal of Elasticity 72, no. 1-3 (2003): 213–28. http://dx.doi.org/10.1023/b:elas.0000018776.92471.36.

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11

Dogra, Virendra K., James N. Moss, Richard G. Wilmoth, Jeff C. Taylor, and H. A. Hassan. "Blunt body rarefied wakes for Earth entry." Journal of Thermophysics and Heat Transfer 9, no. 3 (1995): 464–70. http://dx.doi.org/10.2514/3.688.

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12

Golovachev, Yu P., V. B. Zemlyakov, and E. V. Matvienko. "Supersonic swirling flow past a blunt body." Fluid Dynamics 29, no. 6 (1994): 869–71. http://dx.doi.org/10.1007/bf02040797.

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13

Ye, En Li, Yi Hong Zhou, and Lei Ren. "Analysis on the Flow Passed a Pervious Cubic-Blunt Body Based on Large Eddy Simulation." Applied Mechanics and Materials 353-356 (August 2013): 2477–81. http://dx.doi.org/10.4028/www.scientific.net/amm.353-356.2477.

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To overcome the deficiency that model experiments are unable to take accurate measurements without damaging the structure of the fine flow fields, a large eddy simulation is employed to simulate the three dimensional structure of the flow passed a pervious cubic-blunt body at Re=2.2×104. A comparative analysis have been taken qualitatively and quantitatively between the flow passed a pervious cubic-blunt body and the flow passed a non-pervious cubic-blunt body from the aspects of the flow structure (mainly including separation and reattachment), unsteady vortex shedding, distribution of static

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14

Ng, K. C. "Retention of an ingested small blunt foreign body." Journal of the Belgian Society of Radiology 94, no. 6 (2011): 339. http://dx.doi.org/10.5334/jbr-btr.702.

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15

Shang, J. S. "Plasma Injection for Hypersonic Blunt-Body Drag Reduction." AIAA Journal 40, no. 6 (2002): 1178–86. http://dx.doi.org/10.2514/2.1769.

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16

Stalker, R. J., and B. P. Edwards. "Hypersonic Blunt-Body Flows in Hydrogen-Neon Mixtures." Journal of Spacecraft and Rockets 35, no. 6 (1998): 729–35. http://dx.doi.org/10.2514/2.3399.

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17

Park, Gisu, Sudhir L. Gai, and Andrew J. Neely. "Aerothermodynamics Behind a Blunt Body at Superorbital Speeds." AIAA Journal 48, no. 8 (2010): 1804–16. http://dx.doi.org/10.2514/1.j050251.

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18

Koenig, Keith, David H. Bridges, and Gary T. Chapman. "Transonic flow modes of an axisymmetric blunt body." AIAA Journal 27, no. 9 (1989): 1301–2. http://dx.doi.org/10.2514/3.10262.

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19

Kopriva, David A. "Spectral solution of the viscous blunt-body problem." AIAA Journal 31, no. 7 (1993): 1235–42. http://dx.doi.org/10.2514/3.11758.

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20

Dogra, Virendra K., James N. Moss, Richard G. Wilmoth, Jeff C. Taylor, and H. A. Hassan. "Effects of chemistry on blunt-body wake structure." AIAA Journal 33, no. 3 (1995): 463–69. http://dx.doi.org/10.2514/3.12426.

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21

MORISHITA, Etsuo. "Spreadsheet Fluid Dynamics of a Blunt Body Problem." JSME International Journal Series B 45, no. 4 (2002): 780–87. http://dx.doi.org/10.1299/jsmeb.45.780.

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22

Edwin, M., Sujay Iswarian Isaac, M. Pradeep, and L. Nagarajan. "COMPUTATIONAL STUDY OF AERO-SPIKE ON BLUNT BODY." IOP Conference Series: Materials Science and Engineering 623 (October 18, 2019): 012022. http://dx.doi.org/10.1088/1757-899x/623/1/012022.

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23

Korobkin, Alexander. "Blunt-body impact on a compressible liquid surface." Journal of Fluid Mechanics 244, no. -1 (1992): 437. http://dx.doi.org/10.1017/s0022112092003136.

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24

Shyu, Jeffrey Y., Reza Askari, and Bharti Khurana. "R-SCAN: Whole-Body Blunt Trauma CT Imaging." Journal of the American College of Radiology 14, no. 4 (2017): 531–33. http://dx.doi.org/10.1016/j.jacr.2016.11.010.

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25

Borodich, F. M. "Wave front in the blunt body immersion problem." Fluid Dynamics 27, no. 4 (1993): 451–56. http://dx.doi.org/10.1007/bf01051318.

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26

Mansour, Kamyar, and Mahdi Khorsandi. "The drag reduction in spherical spiked blunt body." Acta Astronautica 99 (June 2014): 92–98. http://dx.doi.org/10.1016/j.actaastro.2014.02.009.

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27

Shang, J. S. "Plasma injection for hypersonic blunt-body drag reduction." AIAA Journal 40 (January 2002): 1178–86. http://dx.doi.org/10.2514/3.15179.

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28

Ryzhov, Oleg S., Julian D. Cole, and Norman D. Malmuth. "A Blunt-Nosed Thin Body in Hypersonic Flow." SIAM Journal on Applied Mathematics 58, no. 2 (1998): 345–69. http://dx.doi.org/10.1137/s0036139996299492.

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29

Bruneau, Charles-Henri. "Computation of hypersonic flows round a blunt body." Computers & Fluids 19, no. 2 (1991): 231–42. http://dx.doi.org/10.1016/0045-7930(91)90035-g.

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30

Qin, Qihao, and Jinglei Xu. "Aeroheating reduction for blunt body using aerodome jet." Acta Astronautica 159 (June 2019): 17–26. http://dx.doi.org/10.1016/j.actaastro.2019.03.042.

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31

Samudra, Edeline, and Donald Rinaldi Kusumaningrat. "Fakta Forensik yang Mengungkapkan Pembunuhan dalam Kasus Dugaan Kecelakaan: Laporan Kasus yang Menguak Kebenaran di Balik Pengakuan." Indonesian Journal of Legal and Forensic Sciences (IJLFS) 14, no. 2 (2025): 73. https://doi.org/10.24843/ijlfs.2024.v14.i02.p01.

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Blunt force trauma is an action that causes injury to body tissues due to an impact with a blunt object. The most commonly affected areas are the head and neck, which can lead to death. Blunt force trauma resulting in death can be intentional or accidental, such as in cases of homicide. A 19-year-old male body was found lying face-up, covered by bushes. External examination revealed abrasions on the chest, left abdomen, and right cheek. Internal examination showed skull fractures starting from the front right side and extending in a linear pattern through the eye socket, left and right sides,

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32

Dr. Muzeer.S, Umerpasha Jamilpasha Patil, and Rakesh Vejendla. "Design and Analysis Aerospike Blunt Body at Hypersonic Speed." International Research Journal on Advanced Engineering and Management (IRJAEM) 2, no. 04 (2024): 1240–44. http://dx.doi.org/10.47392/irjaem.2024.0167.

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Hypersonic vehicles have the drag and heating problem when they operate at high speeds, to avoid or minimize this problem, aero spikes are utilized. This investigation finds a solution for reducing the drag and heating. Using ANSYS fluent designed an aero spike, which has flow around a blunt body at hypersonic Mach number 6 with angle of attack zero. It is analyses for L/D ratio of 1.5 and 2. The front of the body is replaced by an aero spike which has weak oblique shocks and well-built detached shock. This develops a circular region between shock and blunt body. This works as a streamlined pr

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33

Hu, Xing Jun, Lei Liao, Xiu Cheng Li, et al. "Research on Automobile Aerodynamic Drag Reduction Based on Isobaric Surface of a Blunt Body." Applied Mechanics and Materials 328 (June 2013): 634–38. http://dx.doi.org/10.4028/www.scientific.net/amm.328.634.

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This paper focuses on a new method of aerodynamic drag reduction. In this paper numerical simulation method is adopted to investigate the relationship between the aerodynamic drag characteristics of a blunt body and the distribution of total pressure around the body. The study shows that when the shape of a blunt body is modified to be close to its isobaric surface, the pressure drag of the body can be reduced largely while the viscous drag increases slightly, and the summary of the drag gets lower as a result. This conclusion will have profound guiding significance in the aerodynamic shape de

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34

MATHUR, N., K. K. R. SHARMA, and V. K. TIWARI. "An Unusual Foreign Body in Hand a Case Report." Journal of Hand Surgery 11, no. 1 (1986): 135–36. http://dx.doi.org/10.1016/0266-7681_86_90037-9.

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35

Barjasteh, Mojtaba, and Hamid Zeraatgar. "Numerical Simulation of Cushioning Problem for Blunt Bodies Using Boundary Element Method." Polish Maritime Research 25, s1 (2018): 85–93. http://dx.doi.org/10.2478/pomr-2018-0028.

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Abstract Induced air pressure and resulting free surface profile due to air cushioning layer is studied. The study is mainly focused on 2D blunt circular bodies with constant downward speed. The problem is first solved for the air flow between the body and the free surface of the water. Then the results are employed to solve the problem for the water problem, numerically. Both air and water problem are assumed to be governed by Laplace potential equation. Depending on the induced pressure and velocity of the escaping air flow from cushioning layer, compressibility of the air is also included i

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36

Khalid, M., and K. A. Juhany. "An expression for the dynamic stability of blunt slender elliptic bodies in hypersonic flow." Aeronautical Journal 118, no. 1207 (2014): 1079–89. http://dx.doi.org/10.1017/s0001924000009751.

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AbstractDynamic stability data on axially symmetric pointed and blunt cones, parabolic profiles and other ogive and blunt cylindrical shapes is readily available in literature; the dynamic stability on elliptic blunt paraboloids has not been studied at any great lengths in the past. Both numerical and experimental results are scarce. The present paper uses the shock expansion method to obtain the unsteady pressure distribution on blunt elliptic conical bodies at small angles-of-attack. The resulting unsteady pressure distribution is suitably integrated over the surface of the elliptic body to

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37

Moghadam, Ramin Kamali, and Seyed Amir Hosseini. "Assessment of Real Gas Effects on Approximate and Boundary Layer Equations for Hypersonic Laminar Flow over Axisymmetric Bodies." Advanced Materials Research 1016 (August 2014): 534–39. http://dx.doi.org/10.4028/www.scientific.net/amr.1016.534.

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Two efficient computational procedures based on the boundary layer equations and approximate relations areassessedin prediction of the laminar hypersonic flowfield for both the perfect gas and equilibrium air around the axisymmetric blunt body configurations. For the boundary layer procedure, the boundary layer equationsutilize the integral matrix solution algorithm for the blunt nose and after body region by using a space marching technique. The integral matrix procedure able us to create accurate and smooth results using the minimum grid in the boundary layer and minimize the computational c

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38

Kalimuthu, R., R. C. Mehta, and E. Rathakrishnan. "Investigation of aerodynamic coefficients at Mach 6 over conical, hemispherical and flat-face spiked body." Aeronautical Journal 121, no. 1245 (2017): 1711–32. http://dx.doi.org/10.1017/aer.2017.100.

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ABSTRACTA forward spike attached to a blunt body significantly alters its flow field characteristics and influences aerodynamic characteristics at hypersonic flow due to formation of separated flow and re-circulation region around the spiked body. An experimental investigation was performed to measure aerodynamic forces for spikes blunt bodies with a conical, hemispherical and flat-face spike at Mach 6 and at an angle-of-attack range from 0° to 8° and length-to-diameterL/Dratio of spike varies from 0.5 to 2.0, whereLis the length of the spike andDis diameter of blunt body. The shape of the lea

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39

Dong, M., J. Liao, Z. Du, and W. Huang. "Influences of lateral jet location and its number on the drag reduction of a blunted body in supersonic flows." Aeronautical Journal 124, no. 1277 (2020): 1055–69. http://dx.doi.org/10.1017/aer.2020.4.

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ABSTRACTThe analysis of the aerodynamic environment of the re-entry vehicle attaches great importance to the design of the novel drag reduction strategies, and the combinational spike and jet concept has shown promising application for the drag reduction in supersonic flows. In this paper, the drag force reduction mechanism induced by the combinational spike and lateral jet concept with the freestream Mach number being 5.9332 has been investigated numerically by means of the two-dimensional axisymmetric Navier-Stokes equations coupled with the shear stress transport (SST) k-ω turbulence model,

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40

Foon, Lee Lye, M. H. A. Khamaruddin, and S. A. Showkat Ali. "Numerical investigation of the effect of bluff body bluntness factor on the wake-vortex pattern." Journal of Physics: Conference Series 2051, no. 1 (2021): 012070. http://dx.doi.org/10.1088/1742-6596/2051/1/012070.

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Abstract The research is concerned with the flow pattern and vortex shedding around a blunt trailing edge bluff body. The aim is to investigate the effect of the bluntness factor of the trailing edge on the fluid-flow for various aerodynamic purposes. This study is performed by using the blunt trailing edge plates with various thickness values ranging from 0.025 mm to 60 mm. Large Eddy Simulation (LES) turbulence model from ANSYS Fluent software is used to carry out the numerical simulation. The results show that the vortex formation range for the smallest bluntness thickness are relatively sm

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41

Novakov, Ivan P., Delyan P. Delev, Svitlana Y. Bachurska, and Dmitrii G. Staikov. "Experimental Model of Blunt Chest Trauma in Rats." Journal of Biomedical and Clinical Research 7, no. 1 (2014): 15–19. http://dx.doi.org/10.1515/jbcr-2015-0119.

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Abstract The aim of the study was to present our own experimental model of blunt chest trauma in small laboratory animals. Fifteen Wistar albino rats (body weight 290.0-320.0 g) were used in the experiment. An originally designed platform was used to inflict blunt thoracic trauma in the rats. Gross examination and histological evaluation of the heart and lung were performed. It was established that blunt chest trauma caused three thoracic injuries: bilateral lung contusion, myocardial contusion and hemopericardium. These thoracic injuries occurred as a result from direct compression of the che

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42

Hutt, G. R., and A. J. Howe. "Forward facing spike effects on bodies of different cross section in supersonic flow." Aeronautical Journal 93, no. 926 (1989): 229–34. http://dx.doi.org/10.1017/s0001924000017085.

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The results of an experimental programme conducted in the University of Southampton's induced flow supersonic wind tunnel are presented. The pitch static force coefficient and centre of pressure data relate to a series of bodies with a blunt cone nose forebody with afterbodies comprising circular, square and triangular cross section. The blunt cone nose forebody has a forward located, body axis, aerodynamic spike system.The data presented reveals the well known benefits of aerospikes with blunt nosed axisymmetric vehicles. This is then used as a base to explore the coupled flowfield effects on

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43

Singh, O. Gambhir, Anil Shandil, Sanjeev Kumar, Shiv Ranjan Kumar, and Abhinav Abhay. "Homicidal head injury with post-mortem burns: A case report." IP International Journal of Forensic Medicine and Toxicological Sciences 8, no. 3 (2023): 118–20. http://dx.doi.org/10.18231/j.ijfmts.2023.025.

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Homicide by blunt head injury is relatively common as the most frequently involved organ when a blunt weapon is used to be the head. Head is one of the most vital parts in our body. Sometimes, such a case may be subjected to burns to hide the actual cause of death or to destroy the identity of the victim. Identification may be very difficult when there is involvement of head and face and this may be even more difficult when there is absence of body belongings and ornaments. Involvement of hands may destroy finger ridges too making it unsuitable for preservation of fingerprints. In this case re

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44

Tembhurnikar, Payal, Akash Jadhav, and Devabrata Sahoo. "Effect of intermediate aerodisk mounted sharp tip spike on the drag reduction over a hemispherical body at Mach 2.0." FME Transactions 48, no. 4 (2020): 779–86. http://dx.doi.org/10.5937/fme2004779t.

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Reduction of forebody drag in high speed flying vehicles such as rockets and missiles are of high research interest in the present time. In the present research, drag reduction obtained by using an intermediate aerodisk mounted sharp tip spike has been investigated using computational studies at Mach number of 2.0. The flowfield over a hemispherical blunt body with an intermediate aerodisk mounted sharp tip spike is investigated at zero degree angle of attack and the amount of drag reduction obtained is then compared with that of a conventional sharp tip spike mounted hemisphere. The presence

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45

Sai Madhuri, K., Sudhakar Uppalapati, and S. P. Jani. "Modeling and simulation of aerothermodynamics hot radiant blunt body." Materials Today: Proceedings 46 (2021): 8133–37. http://dx.doi.org/10.1016/j.matpr.2021.03.105.

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46

MATSUGANE, Hayato, Naoto KATO, Hiroaki HASEGAWA, and Hiroto NARITA. "Effect of Microbubbles on Flow around a Blunt Body." Proceedings of Conference of Kanto Branch 2021.27 (2021): 11E17. http://dx.doi.org/10.1299/jsmekanto.2021.27.11e17.

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47

Viviani, Antonio, and Giuseppe Pezzella. "Computational Flowfield Analysis over a Blunt-Body Reentry Vehicle." Journal of Spacecraft and Rockets 47, no. 2 (2010): 258–70. http://dx.doi.org/10.2514/1.40876.

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48

Josyula, Eswar, and William F. Bailey. "Vibration-Dissociation Coupling Model for Hypersonic Blunt-Body Flow." AIAA Journal 41, no. 8 (2003): 1611–13. http://dx.doi.org/10.2514/2.2118.

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49

Shang, J. S., J. Hayes, and J. Menart. "Hypersonic Flow over a Blunt Body with Plasma Injection." Journal of Spacecraft and Rockets 39, no. 3 (2002): 367–75. http://dx.doi.org/10.2514/2.3835.

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50

Hollis, Brian R. "Blunt-Body Entry Vehicle Aerotherodynamics: Transition and Turbulent Heating." Journal of Spacecraft and Rockets 49, no. 3 (2012): 435–49. http://dx.doi.org/10.2514/1.51864.

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