Effect of shroud geometry on the effectiveness of a short mixing stack gas eductor model.
dc.contributor.advisor | Pucci, Paul F. | |
dc.contributor.author | Kavalis, Anastasios Emmanouil | |
dc.date | June 1983 | |
dc.date.accessioned | 2012-11-19T23:58:27Z | |
dc.date.available | 2012-11-19T23:58:27Z | |
dc.date.issued | 1983-06 | |
dc.identifier.uri | https://hdl.handle.net/10945/19766 | |
dc.description.abstract | An existing apparatus for testing models of gas eductor systems using high temperature primary flow was modified to provide improved control and performance over a wide range of gas temperature and flow rates. Secondary flow pumping, temperature and pressure data were recorded for two gas eductor system models. The first, previously tested under hot flow conditions, consists of a primary plate with four tilted-angled nozzles and a slotted, shrouded mixing stack with two diffuser rings (overall L/D = 1.5). The second consisted of the same nozzles and mixing stack, with a modified shroud and three diffuser rings (overall L/D = 1.5). A portable pyrometer with a surface probe was used for the second model in order to identify any hot spots at the external surface of the mixing stack, shroud and diffuser rings. The second model is shown to have almost the same mixing and pumping performance with the first one but to exhibit much lower shroud and diffuser surface temperatures. | |
dc.description.uri | http://archive.org/details/effectofshroudge1094519766 | |
dc.language.iso | en_US | |
dc.publisher | Monterey, California. Naval Postgraduate School | en_US |
dc.rights | Copyright is reserved by the copyright owner | |
dc.subject.lcsh | Mechanical engineering | en_US |
dc.title | Effect of shroud geometry on the effectiveness of a short mixing stack gas eductor model. | en_US |
dc.type | Thesis | en_US |
dc.contributor.secondreader | Cullreth, William G. | |
dc.contributor.corporate | Naval Postgraduate School (U.S.) | |
dc.contributor.department | Mechanical Engineering | |
dc.subject.author | gas eductor | en_US |
dc.subject.author | multiple nozzle | en_US |
dc.subject.author | mixing stack | en_US |
dc.subject.author | shroud | en_US |
dc.subject.author | diffuser rings | en_US |
dc.subject.author | primary flow | en_US |
dc.subject.author | secondary flow | en_US |
dc.subject.author | tertiary flow | en_US |
dc.subject.author | exhaust | en_US |
dc.subject.author | cooling | en_US |
dc.description.service | Lieutenant, Hellenic Navy | |
etd.thesisdegree.name | M.S. in Mechanical Engineering | en_US |
etd.thesisdegree.level | Masters | en_US |
etd.thesisdegree.discipline | Mechanical Engineering | en_US |
etd.thesisdegree.grantor | Naval Postgraduate School | en_US |
dc.description.distributionstatement | Approved for public release; distribution is unlimited. |
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