A general equation for performance analysis of multi-component propulsor with propeller |
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| Institution: | 1. College of Harbor Coastal and Offshore Engineering, Hohai University, Nanjing 210098, China;2. Civil and Coastal Engineering Department, University of Florida, Florida, FL 32611, USA;1. Department of Marine Technology, NTNU, 7491 Trondheim, Norway;2. Multiconsult, Nedre Skøyen vei 2, 0213 Oslo, Norway;3. Department of Structural Engineering, NTNU, 7491 Trondheim, Norway;1. School of Civil and Environmental Engineering, Cornell University, 220 Hollister Hall, Ithaca, NY 14853, United States;2. Carderock Division, Naval Surface Warfare Center, 9500 MacArthur Blvd., West Bethesda, MD 20817-5700, United States |
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| Abstract: | An integral panel method (IPM) that treats the different components of multi-component propulsors as a whole is presented for efficient propulsor performance analysis. The IPM requires consider only one blade of the propeller in the performance analysis, which significantly reduces the number of computation grid. The control equations of the IPM are derived in detail for podded propulsors, contra-rotating propellers and hybrid contra-rotating shaft pod propulsors, and based on these derivations, a general control equation for multi-component propulsors with propeller is derived. Comparison between numerical results and experimental data show that the IPM provides good accuracy for the performance analysis of multi-component propulsors with propeller. In addition, the error sources of IPM are discussed, and the reasonableness of these errors is evaluated. |
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| Keywords: | Multi-component propulsor Surface panel method Integral calculation model Control equation Error analysis |
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