{"id":17261,"date":"2026-06-29T22:17:49","date_gmt":"2026-06-29T20:17:49","guid":{"rendered":"https:\/\/revija-ventil.si\/the-importance-to-consider-advanced-fluid-properties-in-flow-simulation-of-hydrostatic-machines-part-2\/"},"modified":"2026-06-29T22:23:24","modified_gmt":"2026-06-29T20:23:24","slug":"the-importance-to-consider-advanced-fluid-properties-in-flow-simulation-of-hydrostatic-machines-part-2","status":"publish","type":"post","link":"https:\/\/revija-ventil.si\/en\/the-importance-to-consider-advanced-fluid-properties-in-flow-simulation-of-hydrostatic-machines-part-2\/","title":{"rendered":"The importance to consider advanced fluid properties in flow simulation of hydrostatic machines (Part 2)"},"content":{"rendered":"<p>[et_pb_section fb_built=&#8221;1&#8243; admin_label=&#8221;section&#8221; _builder_version=&#8221;4.16&#8243; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_row column_structure=&#8221;3_4,1_4&#8243; use_custom_gutter=&#8221;on&#8221; gutter_width=&#8221;2&#8243; admin_label=&#8221;row&#8221; _builder_version=&#8221;4.16&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_column type=&#8221;3_4&#8243; _builder_version=&#8221;4.16&#8243; custom_padding=&#8221;|||&#8221; global_colors_info=&#8221;{}&#8221; custom_padding__hover=&#8221;|||&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_post_title author=&#8221;off&#8221; date_format=&#8221;j. F, Y&#8221; categories=&#8221;off&#8221; comments=&#8221;off&#8221; featured_image=&#8221;off&#8221; admin_label=&#8221;Post Title&#8221; _builder_version=&#8221;4.27.5&#8243; title_level=&#8221;h2&#8243; custom_margin=&#8221;||30px||false|false&#8221; custom_margin_tablet=&#8221;||20px||false|false&#8221; custom_margin_phone=&#8221;&#8221; custom_margin_last_edited=&#8221;on|desktop&#8221; custom_padding=&#8221;||||false|false&#8221; global_module=&#8221;11762&#8243; saved_tabs=&#8221;all&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][\/et_pb_post_title][et_pb_text content_last_edited=&#8221;off|desktop&#8221; admin_label=&#8221;Avtor&#8221; _builder_version=&#8221;4.27.7&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; min_height=&#8221;21px&#8221; custom_margin=&#8221;||10px||false|false&#8221; custom_margin_tablet=&#8221;||||false|false&#8221; custom_margin_phone=&#8221;||10px||false|false&#8221; custom_margin_last_edited=&#8221;on|desktop&#8221; custom_padding=&#8221;0px||0px||false|false&#8221; custom_padding_last_edited=&#8221;off|desktop&#8221; hover_enabled=&#8221;0&#8243; use_border_color=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<p>Mag. An\u017ee \u010celik, univ. dipl. in\u017e., Poclain Hydraulics, d. o. o., \u017diri, Slovenija<\/p>\n<p>[\/et_pb_text][et_pb_text admin_label=&#8221;Tip \u010dlanka&#8221; _builder_version=&#8221;4.27.7&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; custom_margin=&#8221;||25px||false|false&#8221; custom_margin_tablet=&#8221;&#8221; custom_margin_phone=&#8221;&#8221; custom_margin_last_edited=&#8221;on|phone&#8221; custom_padding=&#8221;||0px||false|false&#8221; hover_enabled=&#8221;0&#8243; use_border_color=&#8221;off&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<p>Ventil 32 (2026) 3 \/ Review articles \/ Technical article \u2013 1.04<\/p>\n<p>[\/et_pb_text][et_pb_image src=&#8221;https:\/\/revija-ventil.si\/wp-content\/uploads\/celik-06-2026.png&#8221; alt=&#8221;The importance to consider advanced fluid properties in flow simulation of hydrostatic machines (Part 2)&#8221; title_text=&#8221;The importance to consider advanced fluid properties in flow simulation of hydrostatic machines (Part 2)&#8221; show_in_lightbox=&#8221;on&#8221; force_fullwidth=&#8221;on&#8221; align_tablet=&#8221;center&#8221; align_phone=&#8221;&#8221; align_last_edited=&#8221;on|desktop&#8221; admin_label=&#8221;Slika&#8221; _builder_version=&#8221;4.27.7&#8243; custom_margin=&#8221;||||false|false&#8221; custom_padding=&#8221;||||false|false&#8221; animation_style=&#8221;fade&#8221; animation_direction=&#8221;left&#8221; animation_duration=&#8221;500ms&#8221; hover_enabled=&#8221;0&#8243; use_border_color=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; sticky_enabled=&#8221;0&#8243;][\/et_pb_image][et_pb_text admin_label=&#8221;DOI&#8221; _builder_version=&#8221;4.27.7&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; custom_margin=&#8221;||25px||false|false&#8221; custom_margin_tablet=&#8221;&#8221; custom_margin_phone=&#8221;&#8221; custom_margin_last_edited=&#8221;on|phone&#8221; custom_padding=&#8221;||0px||false|false&#8221; hover_enabled=&#8221;0&#8243; use_border_color=&#8221;off&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<p>DOI: <a href=\"https:\/\/doi.org\/10.5545\/Ventil-32-2026-3.26\" target=\"_blank\" rel=\"noopener\">https:\/\/doi.org\/10.5545\/Ventil-32-2026-3.26<\/a><\/p>\n<p>[\/et_pb_text][et_pb_text admin_label=&#8221;Besedilo&#8221; _builder_version=&#8221;4.27.7&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; custom_margin=&#8221;||25px||false|false&#8221; custom_margin_tablet=&#8221;&#8221; custom_margin_phone=&#8221;&#8221; custom_margin_last_edited=&#8221;on|phone&#8221; custom_padding=&#8221;||0px||false|false&#8221; hover_enabled=&#8221;0&#8243; use_border_color=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<p><strong>Abstract\u200b:<br \/><\/strong><\/p>\n<p><\/p>\n<p>Hydrostatic machines are devices that transfer power using pressurized hydraulic fluid within a closed circuit, relying on positive displacement pumps and motors. They convert mechanical energy into fluid pressure and back into mechanical torque.<br \/>Simulation of such machines still requires highly skilled engineers, use of advanced simulation tools and advanced simulation approach \u2026 despite the availability of modern simulation tools with well suited graphical user interface (GUI) and numerical techniques.<br \/>In this paper, the focus is given on modelling of advanced fluid properties (e.g. compressibility, cavitation etc.). Fluid with such advanced properties is used in fluid flow simulation. Numerical approach has been performed by means of computational fluid dynamic (CFD) within the environment of Siemens Simcenter Star-CCM+. The anticipation of cavitation has been possible by implementation of existing \u201cfull cavitation model\u201d. Results for axial piston pump show good agreement with experimental investigation (e.g. for piston chamber pressure, tilting moment on a swash plate etc.).<\/p>\n<p><\/p>\n<p style=\"text-align: justify;\"><strong>Keywords:<br \/><\/strong>axial piston pump, CFD simulation, cavitation, piston chamber, swash plate<\/p>\n<p><\/p>\n<p><strong>Copyright (c) 2026 An\u017ee \u010celik<br \/><\/strong><br \/><a href=\"https:\/\/creativecommons.org\/licenses\/by\/4.0\/\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-16131\" src=\"https:\/\/revija-ventil.si\/wp-content\/uploads\/cc-300x105.png\" alt=\"\" width=\"120\" height=\"42\" srcset=\"https:\/\/revija-ventil.si\/wp-content\/uploads\/cc-300x105.png 300w, https:\/\/revija-ventil.si\/wp-content\/uploads\/cc-400x141.png 400w, https:\/\/revija-ventil.si\/wp-content\/uploads\/cc.png 403w\" sizes=\"(max-width: 120px) 100vw, 120px\" \/><\/a><\/p>\n<p><\/p>\n<p>This work is licensed under a<br \/><a href=\"https:\/\/creativecommons.org\/licenses\/by\/4.0\/\" target=\"_blank\" rel=\"noopener\">Creative Commons Attribution 4.0 International License<\/a>.<\/p>\n<p><\/p>\n<p>Except where otherwise noted, articles in<br \/>this journal are published under the<br \/><a href=\"https:\/\/creativecommons.org\/licenses\/by\/4.0\/\" target=\"_blank\" rel=\"noopener\">Creative Commons Attribution 4.0 International License<\/a><a href=\"https:\/\/creativecommons.org\/licenses\/by\/4.0\/\" target=\"_blank\" rel=\"noopener\">.<\/a><\/p>\n<p>[\/et_pb_text][et_pb_button button_url=&#8221;https:\/\/revija-ventil.si\/wp-content\/uploads\/celik-06-2026.pdf&#8221; url_new_window=&#8221;on&#8221; button_text=&#8221;Download PDF&#8221; admin_label=&#8221;Gumb Prenesi PDF&#8221; _builder_version=&#8221;4.27.7&#8243; custom_button=&#8221;on&#8221; button_text_size=&#8221;15px&#8221; button_text_color=&#8221;#00868a&#8221; button_bg_color=&#8221;rgba(0,0,0,0)&#8221; button_border_color=&#8221;#00868a&#8221; button_icon=&#8221;&#xe0e8;||divi||400&#8243; custom_margin=&#8221;||0px||false|false&#8221; custom_margin_tablet=&#8221;||20px||false|false&#8221; custom_margin_phone=&#8221;&#8221; custom_margin_last_edited=&#8221;on|desktop&#8221; custom_padding=&#8221;||||false|false&#8221; hover_enabled=&#8221;0&#8243; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221; button_border_color__hover_enabled=&#8221;on|hover&#8221; button_border_color__hover=&#8221;#00868a&#8221; theme_builder_area=&#8221;post_content&#8221; sticky_enabled=&#8221;0&#8243;][\/et_pb_button][et_pb_post_nav in_same_term=&#8221;on&#8221; prev_text=&#8221;Older entries&#8221; next_text=&#8221;Newer entries&#8221; admin_label=&#8221;Navigacija po objavah&#8221; _builder_version=&#8221;4.3.3&#8243; custom_margin=&#8221;||||false|false&#8221; custom_margin_phone=&#8221;||||false|false&#8221; custom_margin_last_edited=&#8221;off|desktop&#8221; custom_padding=&#8221;20px||||false|false&#8221; custom_padding_tablet=&#8221;0px||0px||false|false&#8221; custom_padding_phone=&#8221;0px||0px||false|false&#8221; custom_padding_last_edited=&#8221;on|tablet&#8221; title_text_color_last_edited=&#8221;off|desktop&#8221; global_module=&#8221;11763&#8243; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221; title_text_color__hover_enabled=&#8221;on|desktop&#8221; title_text_color__hover=&#8221;#212b31&#8243; theme_builder_area=&#8221;post_content&#8221;][\/et_pb_post_nav][\/et_pb_column][et_pb_column type=&#8221;1_4&#8243; _builder_version=&#8221;4.16&#8243; custom_padding=&#8221;|||&#8221; global_colors_info=&#8221;{}&#8221; custom_padding__hover=&#8221;|||&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_sidebar orientation=&#8221;right&#8221; area=&#8221;et_pb_widget_area_4&#8243; disabled_on=&#8221;on|on|off&#8221; _builder_version=&#8221;4.27.4&#8243; global_module=&#8221;11764&#8243; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][\/et_pb_sidebar][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p> Hydrostatic machines are devices that transfer power using pressurized hydraulic fluid within a closed circuit, relying on positive displacement pumps and motors. They convert mechanical energy into fluid pressure and back into mechanical torque. Simulation of such machines still requires highly skilled engineers, use of advanced simulation tools and advanced simulation approach \u2026 despite the availability of modern simulation tools with well suited graphical user interface (GUI) and numerical techniques.<\/p>\n","protected":false},"author":5,"featured_media":17219,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[153,154],"tags":[],"class_list":["post-17261","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-exposed-articles","category-science-and-expert-articles"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Advanced fluid properties in flow simulation of hydrostatic machines<\/title>\n<meta name=\"description\" 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