{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,14]],"date-time":"2026-07-14T13:57:13Z","timestamp":1784037433337,"version":"3.55.0"},"reference-count":10,"publisher":"SAGE Publications","issue":"8","license":[{"start":{"date-parts":[[2017,10,4]],"date-time":"2017-10-04T00:00:00Z","timestamp":1507075200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["SIMULATION"],"published-print":{"date-parts":[[2018,8]]},"abstract":"<jats:p>The present work provides a detailed comparative study of the hypersonic flow past spherically blunted and parabolic nose cones at a Mach number of 5.8, numerically. The main focus of the paper is to determine the geometry and parameters of the nose cones that provide minimum aerodynamic drag and heating. Studies on spherically blunted and parabolic nose cones are performed for different fineness ratios at zero angle of attack. It is observed that for fineness ratio &lt;1.2, blunted cones provide minimum drag, whereas at higher values of fineness ratios &gt;1.2, parabolic nose cones provide superior drag reduction. Detailed comparison of the flow\/shock features in the vicinity of the blunted and parabolic nose cones for different fineness ratios is also shown in order to determine its influence on aerodynamic drag. An empirical correlation developed for the total drag coefficient based on regression analysis for a parabolic nose cone reveals that it is mainly a function of the maximum pressure coefficient and fineness ratio. In general, the present study reveals that parabolic nose cones at higher fineness ratios are preferred over spherically blunted ones for achieving higher drag reductions and lower heating in hypervelocity vehicles.<\/jats:p>","DOI":"10.1177\/0037549717733051","type":"journal-article","created":{"date-parts":[[2017,10,4]],"date-time":"2017-10-04T03:28:54Z","timestamp":1507087734000},"page":"665-680","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":23,"title":["Hypersonic flow past nose cones of different geometries: a comparative study"],"prefix":"10.1177","volume":"94","author":[{"given":"Ashish","family":"Narayan","sequence":"first","affiliation":[{"name":"Department of Mechanical Engineering, Indian Institute of Technology (Indian School of Mines), India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"S","family":"Narayanan","sequence":"additional","affiliation":[{"name":"Department of Mechanical Engineering, Indian Institute of Technology (Indian School of Mines), India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rakesh","family":"Kumar","sequence":"additional","affiliation":[{"name":"Department of Mechanical Engineering, Indian Institute of Technology (Indian School of Mines), India"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2017,10,4]]},"reference":[{"key":"bibr1-0037549717733051","volume-title":"An experimental investigation of hypersonic flow an over blunt nosed cone at Mach number of 5.8","author":"O\u2019Bryant WT","year":"1956"},{"key":"bibr2-0037549717733051","doi-asserted-by":"publisher","DOI":"10.1007\/s00193-005-0281-6"},{"key":"bibr3-0037549717733051","first-page":"38","volume":"1","author":"Arsalan MS","year":"2012","journal-title":"J Space Technol"},{"key":"bibr4-0037549717733051","volume-title":"Aerodynamic characteristics of spherically blunted cones at mach numbers from 0.5 to 5.0","author":"Owens RV.","year":"1965"},{"key":"bibr5-0037549717733051","unstructured":"Perkins EW, Jorgensen LH, Sommer SC. Investigation of the drag of various axially symmetric nose shapes of fineness ratio 3 for mach numbers from 1.24 to 7.4. NACA Research Memorandum, 1952."},{"key":"bibr6-0037549717733051","volume-title":"An experimental and theoretical investigation of the pressure distribution and flow fields of blunted cones at hypersonic Mach numbers","author":"Cleary JW.","year":"1965"},{"key":"bibr7-0037549717733051","volume-title":"Data on shape and location of detached shock waves on cones and spheres","author":"Heberle JW","year":"1950"},{"key":"bibr8-0037549717733051","doi-asserted-by":"publisher","DOI":"10.1016\/j.expthermflusci.2009.02.005"},{"key":"bibr9-0037549717733051","first-page":"73","volume":"25","author":"Fay JA","year":"1958","journal-title":"J Aeronaut Sci"},{"key":"bibr10-0037549717733051","author":"Spalart PR","year":"1992","journal-title":"American Institute of Aeronautics and Astronautics"}],"container-title":["SIMULATION"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/journals.sagepub.com\/doi\/pdf\/10.1177\/0037549717733051","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/journals.sagepub.com\/doi\/full-xml\/10.1177\/0037549717733051","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/journals.sagepub.com\/doi\/pdf\/10.1177\/0037549717733051","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,5,1]],"date-time":"2026-05-01T11:28:36Z","timestamp":1777634916000},"score":1,"resource":{"primary":{"URL":"https:\/\/journals.sagepub.com\/doi\/10.1177\/0037549717733051"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2017,10,4]]},"references-count":10,"journal-issue":{"issue":"8","published-print":{"date-parts":[[2018,8]]}},"alternative-id":["10.1177\/0037549717733051"],"URL":"https:\/\/doi.org\/10.1177\/0037549717733051","relation":{},"ISSN":["0037-5497","1741-3133"],"issn-type":[{"value":"0037-5497","type":"print"},{"value":"1741-3133","type":"electronic"}],"subject":[],"published":{"date-parts":[[2017,10,4]]}}}