{"id":3134,"date":"2023-05-25T14:56:10","date_gmt":"2023-05-25T11:56:10","guid":{"rendered":"http:\/\/itm.dp.ua\/?page_id=3134"},"modified":"2023-12-20T14:37:58","modified_gmt":"2023-12-20T12:37:58","slug":"increased-pressure-pneumatic-transport-bench","status":"publish","type":"page","link":"http:\/\/itm.dp.ua\/?page_id=3134&lang=en","title":{"rendered":"Increased-pressure pneumatic transport bench"},"content":{"rendered":"\n<p>Department of aerogas dynamics and technical systems dynamics<\/p>\n\n\n\n<p>Head of Department &#8211; Corresponding Member of the National Academy of Sciences of Ukraine, D.Sc., Professor <a href=\"http:\/\/itm.dp.ua\/?page_id=1181&amp;lang=en\" data-type=\"page\" data-id=\"1181\">V. I. Tymoshenko<\/a><\/p>\n\n\n\n<p><strong>Description<\/strong><\/p>\n\n\n\n<p>The pneumatic transport bench is an assemblage of circulation units, solid phase (bulk material) loading, unloading, and reloading units, and a compressed gas source, which are functionally integrated by pipelines, instruments, and control means; the bench serves to reproduce a gas or two-phase mixture flow whose parameters correspond to those of the pneumatic transport system under development.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"http:\/\/itm.dp.ua\/wp-content\/uploads\/2023\/05\/EXBA_12_1_1.jpg\" alt=\"\"\/><figcaption class=\"wp-element-caption\"><strong>Schematic of the pneumatic transport bench:<\/strong>1 \u2013 Venturi meter;<br>2,3 \u2013 Du30 and Du50 measuring sections;<br>4 \u2013 gas supply unit;<br>5 \u2013 pressure regulator;<br>6 \u2013 flow switch;<br>7 \u2013 transparent inserts;<br>8 \u2013 video camera;<br>p, T, \u0394p \u2013 pressure, temperature, and differential pressure pickups;<br>I \u2013 gas flow;<br>II \u2013 two-phase flow<\/figcaption><\/figure>\n\n\n\n<p><strong>Key specifications<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>Working pressure<\/td><td>0.1 to 3.3 MPa<\/td><\/tr><tr><td>Power consumption<\/td><td>30 kW<\/td><\/tr><tr><td>Total length of the linear portion<\/td><td>up to 70 m<\/td><\/tr><tr><td>Measuring pipeline diameters<\/td><td>30 and 50 mm<\/td><\/tr><tr><td>Flow speed<\/td><td>up to 45 m\/s<\/td><\/tr><tr><td>Solid particle size<\/td><td>up to 10 mm<\/td><\/tr><tr><td>Solid phase volume concentration<\/td><td>up to 15%<\/td><\/tr><tr><td>Charging material volume<\/td><td>up to 30 liters<\/td><\/tr><tr><td>Cooling<\/td><td>water<\/td><\/tr><tr><td>Instrumentation<\/td><td>Venturi tube, measuring orifice plate, Sapfir 22DD differential pressure pickups, TSM 0879 temperature transducers, DDI-20 pressure transducer<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"http:\/\/itm.dp.ua\/wp-content\/uploads\/2023\/05\/EXBA_12_2.jpg\" alt=\"\"\/><figcaption class=\"wp-element-caption\">General view of the bench<\/figcaption><\/figure>\n\n\n\n<p><strong>Capabilities<\/strong><\/p>\n\n\n\n<p>The pneumatic transport bench is fitted with equipment, control means, and instruments that make possible the following types of operation:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>solid phase and carrier gas closed-circuit operation;<\/li>\n\n\n\n<li>gas closed-circuit and solid phase open-circuit operation;<\/li>\n\n\n\n<li>solid phase closed-circuit and gas open-circuit operation;<\/li>\n\n\n\n<li>solid phase and gas closed-circuit two-loop operation;<\/li>\n\n\n\n<li>solid phase and gas closed-circuit single-loop operation.<\/li>\n<\/ul>\n\n\n\n<p><strong>Advantages<\/strong><\/p>\n\n\n\n<p>In the level of working pressure, the bench has no parallel both in Ukraine and abroad.<\/p>\n\n\n\n<p><strong>Use<\/strong><\/p>\n\n\n\n<p>In the design of increased-haul pneumatic transport systems for the determination of the hydraulic characteristics of gas \u2013 solid particles two-phase flows in an uninvestigated carrier gas pressure range: hydraulic resistance, critical speed and dancing speed, specific power consumption, and allowable particle size.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"http:\/\/itm.dp.ua\/wp-content\/uploads\/2023\/05\/EXBA_12_4.jpg\" alt=\"\"\/><figcaption class=\"wp-element-caption\">Reloader<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"http:\/\/itm.dp.ua\/wp-content\/uploads\/2023\/05\/EXBA_12_10.jpg\" alt=\"\"\/><figcaption class=\"wp-element-caption\">Loader<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"http:\/\/itm.dp.ua\/wp-content\/uploads\/2023\/05\/EXBA_12_3.jpg\" alt=\"\"\/><figcaption class=\"wp-element-caption\">Circulating unit<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>OFFICE ADDRESS<\/strong>:<\/td><td>Institute of Technical Mechanics , 15 Leshko-Popelya St., Dnipro 49005, Ukraine<\/td><\/tr><tr><td><strong>PHONE NUMBER<\/strong>:<\/td><td>+38-056-372-06-41<\/td><\/tr><tr><td><strong>E-MAIL<\/strong>:<\/td><td><a href=\"mailto:vitymoshenko@nas.gov.ua\">vitymoshenko@nas.gov.ua<\/a><\/td><\/tr><\/tbody><\/table><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Department of aerogas dynamics and technical systems dynamics Head of Department &#8211; Corresponding Member of the National Academy of Sciences of Ukraine, D.Sc., Professor V. I. Tymoshenko Description The pneumatic&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-3134","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"http:\/\/itm.dp.ua\/index.php?rest_route=\/wp\/v2\/pages\/3134","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/itm.dp.ua\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"http:\/\/itm.dp.ua\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"http:\/\/itm.dp.ua\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/itm.dp.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3134"}],"version-history":[{"count":11,"href":"http:\/\/itm.dp.ua\/index.php?rest_route=\/wp\/v2\/pages\/3134\/revisions"}],"predecessor-version":[{"id":4069,"href":"http:\/\/itm.dp.ua\/index.php?rest_route=\/wp\/v2\/pages\/3134\/revisions\/4069"}],"wp:attachment":[{"href":"http:\/\/itm.dp.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3134"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}