{"id":{"repo_id":"anu","oai_identifier":"oai:openresearch-repository.anu.edu.au:1885/137459"},"canonical_url":"https://search.dev.ndltd.org/etd/anu/oai:openresearch-repository.anu.edu.au:1885/137459","repository":{"repo_id":"anu","name":"Australian National University","base_url":"https://openresearch-repository.anu.edu.au/server/oai/request"},"display":{"title":"Gas acceleration by travelling conduction waves","abstract":"A theory of operation has been derived for a proposed Travelling Conduction Wave accelerator, which predicts that such a device would be capable of operating both as a medium thrust - high specific impulse space propulsion device, with round trip times to Mars of as low as one month, and as a hypersonic wind tunnel capable of simulating conditions over a major portion of the reentry corridor. A simple experiment designed to test this theory resulted in good agreement between the theory and experimental results. Mean gas velocities of 3*4 x 10⁴ m /sec. at an input power of 0.66 Mw have been obtained, corresponding to mean thrusts in the range 0.22 x 10³ to 1*1*10³ N at a mean specific impulse of 3*8 x 10³ sec. and a mean stagnation enthalpy and pressure of 6 x 10⁸J/kg and 4 to 20 atm. respectively. Measured heat losses were low compared to other gas accelerating devices, measured efficiencies lying in the range 70% to 90% .","abstract_html":"A theory of operation has been derived for a proposed Travelling Conduction Wave accelerator, which predicts that such a device would be capable of operating both as a medium thrust - high specific impulse space propulsion device, with round trip times to Mars of as low as one month, and as a hypersonic wind tunnel capable of simulating conditions over a major portion of the reentry corridor. A simple experiment designed to test this theory resulted in good agreement between the theory and experimental results. Mean gas velocities of 3*4 x 10⁴ m /sec. at an input power of 0.66 Mw have been obtained, corresponding to mean thrusts in the range 0.22 x 10³ to 1*1*10³ N at a mean specific impulse of 3*8 x 10³ sec. and a mean stagnation enthalpy and pressure of 6 x 10⁸J/kg and 4 to 20 atm. respectively. Measured heat losses were low compared to other gas accelerating devices, measured efficiencies lying in the range 70% to 90% .","abstract_has_math":false,"creators":["Boreham, Bruce William"],"institution":null,"degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":1974,"date_issued":"1974","date_published":"1974","updated_at":"2026-07-24T00:54:59Z","subjects":[],"languages":["en"],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier.other","label":"Dc Identifier Other","values":["b1016226"],"render_values":[{"text":"b1016226","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/1885/137459","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Boreham, Bruce William"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2017-12-11T03:38:07Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2017-12-11T03:38:07Z"]},{"key":"dc:date.issued","label":"Date","values":["1974"]},{"key":"dc:type","label":"Dc Type","values":["Thesis (PhD)"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language.iso","label":"Language (ISO)","values":["en"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.other","label":"Dc Identifier Other","values":["b1016226"]},{"key":"dc:identifier.uri","label":"Identifier URI","values":["http://hdl.handle.net/1885/137459"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["A theory of operation has been derived for a proposed Travelling Conduction Wave accelerator, which predicts that such a device would be capable of operating both as a medium thrust - high specific impulse space propulsion device, with round trip times to Mars of as low as one month, and as a hypersonic wind tunnel capable of simulating conditions over a major portion of the reentry corridor. A simple experiment designed to test this theory resulted in good agreement between the theory and experimental results. Mean gas velocities of 3*4 x 10⁴ m /sec. at an input power of 0.66 Mw have been obtained, corresponding to mean thrusts in the range 0.22 x 10³ to 1*1*10³ N at a mean specific impulse of 3*8 x 10³ sec. and a mean stagnation enthalpy and pressure of 6 x 10⁸J/kg and 4 to 20 atm. respectively. Measured heat losses were low compared to other gas accelerating devices, measured efficiencies lying in the range 70% to 90% ."]},{"key":"dc:title","label":"Title","values":["Gas acceleration by travelling conduction waves"]}]}],"canonical_facts":{"dc:creator":["Boreham, Bruce William"],"dc:date.accessioned":["2017-12-11T03:38:07Z"],"dc:date.available":["2017-12-11T03:38:07Z"],"dc:date.issued":["1974"],"dc:description.abstract":["A theory of operation has been derived for a proposed Travelling Conduction Wave accelerator, which predicts that such a device would be capable of operating both as a medium thrust - high specific impulse space propulsion device, with round trip times to Mars of as low as one month, and as a hypersonic wind tunnel capable of simulating conditions over a major portion of the reentry corridor. A simple experiment designed to test this theory resulted in good agreement between the theory and experimental results. Mean gas velocities of 3*4 x 10⁴ m /sec. at an input power of 0.66 Mw have been obtained, corresponding to mean thrusts in the range 0.22 x 10³ to 1*1*10³ N at a mean specific impulse of 3*8 x 10³ sec. and a mean stagnation enthalpy and pressure of 6 x 10⁸J/kg and 4 to 20 atm. respectively. Measured heat losses were low compared to other gas accelerating devices, measured efficiencies lying in the range 70% to 90% ."],"dc:identifier.other":["b1016226"],"dc:identifier.uri":["http://hdl.handle.net/1885/137459"],"dc:language.iso":["en"],"dc:title":["Gas acceleration by travelling conduction waves"],"dc:type":["Thesis (PhD)"]},"updated_at":"2026-07-24T00:54:59Z"}