Research on Hydraulic Optimization Design Method of Water-Jet Propulsion Pump Considering Hump Index | Research Square window.SnipcartSettings = { analytics: { enabled: false } }; (function() { var accessVector = localStorage.getItem('access_vector') || ''; window.dataLayer = window.dataLayer || []; if (accessVector) { window.dataLayer.push({ user: { profile: { profileInfo: { snid: accessVector } } } }); } })(); (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src='https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);})(window,document,'script','dataLayer','GTM-K279D39R'); Browse Preprints In Review Journals COVID-19 Preprints AJE Video Bytes Research Tools Research Promotion AJE Professional Editing AJE Rubriq About Preprint Platform In Review Editorial Policies Our Team Advisory Board Help Center Sign In Submit a Preprint Cite Share Download PDF Research Article Research on Hydraulic Optimization Design Method of Water-Jet Propulsion Pump Considering Hump Index Yun Long, Yingying Zheng, Hanqiao Han, Jinqing Zhong, Rongsheng Zhu This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-3558200/v1 This work is licensed under a CC BY 4.0 License Status: Published Journal Publication published 22 May, 2024 Read the published version in Journal of the Brazilian Society of Mechanical Sciences and Engineering → Version 1 posted 4 You are reading this latest preprint version Abstract In order to improve the efficiency of water-jet pump and reduce or eliminate the hump phenomenon, it is necessary to optimize the impeller design. In this paper, the optimization of water-jet propulsion pump is studied by combining numerical simulation and experiment.The orthogonal optimization design scheme is established. Based on the numerical simulation method, the hydraulic performance indexes such as energy coefficient, torque coefficient and efficiency of the design points of different design schemes are obtained. The final optimization design is completed by further optimizing the profile and spatial position of the optimal efficiency factor level combination A 2 B 1 C 1 D 1 at different spanwise heights.Then, based on the results of numerical simulation by CFX, using Python and LabVIEW programming software, a pump flow head curve fitting and hump judgment program is developed, which can realize the function of curve fitting of flow head, giving the position of trough and peak, and calculating the value of hump climbing coefficient C hump . The influence of different blade structure parameters on the hydraulic performance and energy characteristic curve hump of the water-jet pump is analyzed, and the optimization design of the high-performance water-jet pump considering the hump index is completed. In summary, This method is not only applicable to the hydraulic optimization of the water-jet propulsion pump, but also the research results can provide theoretical basis and technical support for the high-performance and low-vibration design of the water jet propulsion pump. Water-jet propulsion pump Orthogonal design Pump hump Hydraulic optimization Full Text Cite Share Download PDF Status: Published Journal Publication published 22 May, 2024 Read the published version in Journal of the Brazilian Society of Mechanical Sciences and Engineering → Version 1 posted Reviewers agreed at journal 28 Dec, 2023 Reviewers invited by journal 27 Dec, 2023 Editor assigned by journal 11 Nov, 2023 First submitted to journal 08 Nov, 2023 You are reading this latest preprint version Research Square lets you share your work early, gain feedback from the community, and start making changes to your manuscript prior to peer review in a journal. As a division of Research Square Company, we’re committed to making research communication faster, fairer, and more useful. We do this by developing innovative software and high quality services for the global research community. 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Also discoverable on Platform About Our Team In Review Editorial Policies Advisory Board Help Center Resources Author Services Accessibility API Access RSS feed Manage Cookie Preferences © Research Square 2026 | ISSN 2693-5015 (online) Privacy Policy Terms of Service Do Not Sell My Personal Information {"props":{"pageProps":{"initialData":{"identity":"rs-3558200","acceptedTermsAndConditions":true,"allowDirectSubmit":false,"archivedVersions":[],"articleType":"Research Article","associatedPublications":[],"authors":[{"id":263841637,"identity":"e03acc28-b12c-4b62-9bd5-25adb3831491","order_by":0,"name":"Yun Long","email":"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAZAAAAAyAQMAAABI0h/eAAAABlBMVEX///8AAABVwtN+AAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAzklEQVRIiWNgGAWjYBACPigtx8BwAEixEaEFpsaYdC2JDShcvFrYew+/5m27k77h4PEHDB/KDjPwz24goIXnXJo1b9uz3A0Hzhgwzjh3mEHizgECWiRyzIx52w6DtDAwAxkMBhIJxGlJNzhw/AHzXyK1GD8GakkwOHDAgJmRKC08Z8wY55w7bDgT6JeDPefSeSRuENDCz95j/OFN2WF5vhvHHz74UWYtxz+DgBaQRVI8IEriADgyeQiqBwLmjz/A9jUQo3gUjIJRMApGIgAA90dFpRDOiaIAAAAASUVORK5CYII=","orcid":"","institution":"Jiangsu University","correspondingAuthor":true,"prefix":"","firstName":"Yun","middleName":"","lastName":"Long","suffix":""},{"id":263841638,"identity":"2a777121-e5f9-4e9e-a846-a1796ba95bbd","order_by":1,"name":"Yingying Zheng","email":"","orcid":"","institution":"Jiangsu University","correspondingAuthor":false,"prefix":"","firstName":"Yingying","middleName":"","lastName":"Zheng","suffix":""},{"id":263841639,"identity":"f7aefa81-93dd-42d6-956c-8cdf5d7bdf5f","order_by":2,"name":"Hanqiao Han","email":"","orcid":"","institution":"Jiangsu University","correspondingAuthor":false,"prefix":"","firstName":"Hanqiao","middleName":"","lastName":"Han","suffix":""},{"id":263841640,"identity":"f4461c3d-856d-4033-b830-00b8f32d0932","order_by":3,"name":"Jinqing Zhong","email":"","orcid":"","institution":"Jiangsu University","correspondingAuthor":false,"prefix":"","firstName":"Jinqing","middleName":"","lastName":"Zhong","suffix":""},{"id":263841641,"identity":"5ae6ce07-a102-4c5a-bb37-4caede16029d","order_by":4,"name":"Rongsheng Zhu","email":"","orcid":"","institution":"Jiangsu University","correspondingAuthor":false,"prefix":"","firstName":"Rongsheng","middleName":"","lastName":"Zhu","suffix":""}],"badges":[],"createdAt":"2023-11-04 15:23:03","currentVersionCode":1,"declarations":"","doi":"10.21203/rs.3.rs-3558200/v1","doiUrl":"https://doi.org/10.21203/rs.3.rs-3558200/v1","draftVersion":[],"editorialEvents":[{"content":"https://doi.org/10.1007/s40430-024-04945-4","type":"published","date":"2024-05-22T21:04:11+00:00"}],"editorialNote":"","failedWorkflow":false,"files":[{"id":57374278,"identity":"669ced4d-2968-407d-a449-69011976bfc8","added_by":"auto","created_at":"2024-05-29 21:04:17","extension":"pdf","order_by":1,"title":"","display":"","copyAsset":false,"role":"manuscript-pdf","size":1537800,"visible":true,"origin":"","legend":"","description":"","filename":"ResearchonHydraulicOptimizationDesignofWaterjetPump.pdf","url":"https://assets-eu.researchsquare.com/files/rs-3558200/v1_covered_9a72912b-5734-4fbd-98c9-3b13b36e428f.pdf"}],"financialInterests":"","formattedTitle":"Research on Hydraulic Optimization Design Method of Water-Jet Propulsion Pump Considering Hump Index","fulltext":[],"fulltextSource":"","fullText":"","funders":[],"hasAdminPriorityOnWorkflow":false,"hasManuscriptDocX":false,"hasOptedInToPreprint":true,"hasPassedJournalQc":"","hasAnyPriority":false,"hideJournal":false,"highlight":"","institution":"","isAcceptedByJournal":true,"isAuthorSuppliedPdf":true,"isDeskRejected":"","isHiddenFromSearch":false,"isInQc":false,"isInWorkflow":true,"isPdf":true,"isPdfUpToDate":true,"isWithdrawnOrRetracted":false,"journal":{"display":true,"email":"
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