{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,10]],"date-time":"2026-03-10T18:36:30Z","timestamp":1773167790607,"version":"3.50.1"},"reference-count":25,"publisher":"AIP Publishing","issue":"9","content-domain":{"domain":["pubs.aip.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2017,9,1]]},"abstract":"<jats:p>We use a numerical model to investigate the influence of pressure from 0.5\u2009Torr (66.7\u2009Pa) to 100\u2009Torr (13.3\u2009kPa) and temperature (190\u2013400\u2009K) on the performance (thrust, fluid velocity, and thrust-to-power-ratio) of a single stage electrohydrodynamic thruster made of a rod anode and funnel-like cathode geometry, using nitrogen as the working gas. The model includes the following nitrogen species: N, N+, N2, N2+, and N4+. Additional factors are investigated: (i) the ballast resistance, (ii) the secondary electron emission from the cathode (in the range of 10\u22125\u201310\u00b0), and (iii) the influence of the gap between electrodes on the discharge. As expected, higher pressures increase the net thrust, thrust efficiency, and peak gas velocity; however, with increasing temperatures, the trend reverses. We notice that gas flow velocity diminishes for the increasing values of the secondary emission coefficient, and it is possible to identify two working regimes presenting different behaviors: in the first region, for values of the secondary electron emission coefficient between 10\u22125 and 10\u22122, thrust was not affected, and in the second region, between 10\u22122 and 1, a clear decrease in thrust is observed, accompanied by an increase in the discharge current, an undesired effect for the purpose of thrust production.<\/jats:p>","DOI":"10.1063\/1.4986219","type":"journal-article","created":{"date-parts":[[2017,8,28]],"date-time":"2017-08-28T14:49:49Z","timestamp":1503931789000},"update-policy":"https:\/\/doi.org\/10.1063\/aip-crossmark-policy-page","source":"Crossref","is-referenced-by-count":10,"title":["Single-stage EHD thruster response to several simulation conditions in nitrogen gas"],"prefix":"10.1063","volume":"24","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4085-3596","authenticated-orcid":false,"given":"Victor H.","family":"Granados","sequence":"first","affiliation":[{"name":"Departamento de Engenharia F\u00edsica, Faculdade de Engenharia, Universidade do Porto 1 , Rua Doutor Roberto Frias, s\/n, 4200-465 Porto, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5500-7408","authenticated-orcid":false,"given":"Mario J.","family":"Pinheiro","sequence":"additional","affiliation":[{"name":"Departamento de F\u00edsica, Instituto Superior T\u00e9cnico - IST, Universidade de Lisboa 2 , Av. Rovisco Pais, 1049-001 Lisboa, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9167-3419","authenticated-orcid":false,"given":"Paulo A.","family":"S\u00e1","sequence":"additional","affiliation":[{"name":"Departamento de Engenharia F\u00edsica, Faculdade de Engenharia, Universidade do Porto 1 , Rua Doutor Roberto Frias, s\/n, 4200-465 Porto, Portugal"}]}],"member":"317","published-online":{"date-parts":[[2017,8,28]]},"reference":[{"key":"2023062312095990600_c1","doi-asserted-by":"publisher","first-page":"124011","DOI":"10.1088\/0741-3335\/53\/12\/124011","article-title":"Electric propulsion: Comparisons between different concepts","volume":"53","year":"2011","journal-title":"Plasma Phys. Controlled Fusion"},{"key":"2023062312095990600_c2","doi-asserted-by":"publisher","first-page":"014005","DOI":"10.1088\/0741-3335\/57\/1\/014005","article-title":"Electrical propulsion for small satellites","volume":"57","year":"2015","journal-title":"Plasma Phys. 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