{"id":{"repo_id":"cape-town","oai_identifier":"oai:open.uct.ac.za:11427/8316"},"canonical_url":"https://search.dev.ndltd.org/etd/cape-town/oai:open.uct.ac.za:11427/8316","repository":{"repo_id":"cape-town","name":"University of Cape Town","base_url":"https://open.uct.ac.za/oai/request"},"display":{"title":"Hydro-pneumatic conveying of liquid by means of an airlift pump","abstract":"Airlift pumps operating in two-phase gas-liquid flow are investigated with a view to establishing an analytical technique to aid in theoretically modelling air-lift pump behaviour. Extensive work on two test facilities constructed at the University of Cape Town's Hydrotransport Research facility has been done. Various components needed for the analysis are investigated. These include: (i) static dilation; (ii) dynamic void ratios; (iii) two phase weight component; (iv) two phase friction component; (v) two phase acceleration component. Using theoretical models for each component and combining these into the analysis technique, operating characteristics of airlift pumps with the following variables : (i) pipe diameters; (ii) gas injection depths; (iii) static lift heights; (iv) suction pipe lengths; have been successfully predicted.","abstract_html":"Airlift pumps operating in two-phase gas-liquid flow are investigated with a view to establishing an analytical technique to aid in theoretically modelling air-lift pump behaviour. Extensive work on two test facilities constructed at the University of Cape Town's Hydrotransport Research facility has been done. Various components needed for the analysis are investigated. These include: (i) static dilation; (ii) dynamic void ratios; (iii) two phase weight component; (iv) two phase friction component; (v) two phase acceleration component. Using theoretical models for each component and combining these into the analysis technique, operating characteristics of airlift pumps with the following variables : (i) pipe diameters; (ii) gas injection depths; (iii) static lift heights; (iv) suction pipe lengths; have been successfully predicted.","abstract_has_math":false,"creators":["Berg, Rolf Rainer"],"institution":"Department of Civil Engineering","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":["Lazarus, JH"],"committee_chairs":[],"committee_members":[],"year":1988,"date_issued":"1988","date_published":"1988","updated_at":"2026-07-22T22:23:18Z","subjects":[],"languages":["eng"],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/11427/8316","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Lazarus, JH"]},{"key":"dc:creator","label":"Author","values":["Berg, Rolf Rainer"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2014-10-11T12:00:02Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2014-10-11T12:00:02Z"]},{"key":"dc:date.issued","label":"Date","values":["1988"]},{"key":"dc:publisher.department","label":"Dc Publisher Department","values":["Department of Civil Engineering"]},{"key":"dc:publisher.institution","label":"Dc Publisher Institution","values":["University of Cape Town"]},{"key":"dc:type","label":"Dc Type","values":["Master Thesis"]},{"key":"dc:type.qualificationlevel","label":"Dc Type Qualificationlevel","values":["Masters"]},{"key":"dc:type.qualificationname","label":"Dc Type Qualificationname","values":["MSc"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language.iso","label":"Language (ISO)","values":["eng"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["http://hdl.handle.net/11427/8316"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Includes bibliography."]},{"key":"dc:description.abstract","label":"Abstract","values":["Airlift pumps operating in two-phase gas-liquid flow are investigated with a view to establishing an analytical technique to aid in theoretically modelling air-lift pump behaviour. Extensive work on two test facilities constructed at the University of Cape Town's Hydrotransport Research facility has been done. Various components needed for the analysis are investigated. These include: (i) static dilation; (ii) dynamic void ratios; (iii) two phase weight component; (iv) two phase friction component; (v) two phase acceleration component. Using theoretical models for each component and combining these into the analysis technique, operating characteristics of airlift pumps with the following variables : (i) pipe diameters; (ii) gas injection depths; (iii) static lift heights; (iv) suction pipe lengths; have been successfully predicted."]},{"key":"dc:title","label":"Title","values":["Hydro-pneumatic conveying of liquid by means of an airlift pump"]}]}],"canonical_facts":{"dc:contributor.advisor":["Lazarus, JH"],"dc:creator":["Berg, Rolf Rainer"],"dc:date.accessioned":["2014-10-11T12:00:02Z"],"dc:date.available":["2014-10-11T12:00:02Z"],"dc:date.issued":["1988"],"dc:description":["Includes bibliography."],"dc:description.abstract":["Airlift pumps operating in two-phase gas-liquid flow are investigated with a view to establishing an analytical technique to aid in theoretically modelling air-lift pump behaviour. Extensive work on two test facilities constructed at the University of Cape Town's Hydrotransport Research facility has been done. Various components needed for the analysis are investigated. These include: (i) static dilation; (ii) dynamic void ratios; (iii) two phase weight component; (iv) two phase friction component; (v) two phase acceleration component. Using theoretical models for each component and combining these into the analysis technique, operating characteristics of airlift pumps with the following variables : (i) pipe diameters; (ii) gas injection depths; (iii) static lift heights; (iv) suction pipe lengths; have been successfully predicted."],"dc:identifier.uri":["http://hdl.handle.net/11427/8316"],"dc:language.iso":["eng"],"dc:publisher.department":["Department of Civil Engineering"],"dc:publisher.institution":["University of Cape Town"],"dc:title":["Hydro-pneumatic conveying of liquid by means of an airlift pump"],"dc:type":["Master Thesis"],"dc:type.qualificationlevel":["Masters"],"dc:type.qualificationname":["MSc"]},"updated_at":"2026-07-22T22:23:18Z"}