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fan blades airfoil

november 30, 2020 Geen categorie 0 comments

−0.1484 −0.2566 0.0409 −0.1665 −0.1603 −0.4373 −0.3821 −0.3827 −0.2445 10 0.2481 0.1201 0.4238 0.2123 16 0.0226 0.0409 −0.4021 0.1452 13 −0.1049 −0.1733 0.4159 −0.0128 41 −0.3672 55 −0.1338 0.2986 −0.4983 47 0.0219 56 In a further embodiment of any of the above, the array of fan blades includes less than about twenty-six (26) fan blades. −0.0002 −0.1671 0.0168 −0.1325 15 0.2980 8 0.4522 0.0008 −0.2895 46 −0.0846 36 0.3409 0.0039 −0.3124 0.0401 0.3168 0.2113 0.0186 0.0289 −0.3525 ProcessBarron’s airfoil fan blades include special construction features, such as solid nose piece utilization, to provide superior resistance to abrasion and wear. −0.2723 −0.4045 −0.0978 37 27 0.2845 −0.1571 −0.5515 −0.1221 Figure 2.1 shows static pressure vs. airflow comparison for 24" x 24" dampers. 52 0.0434 −0.2997 0.1655 −0.3020 −0.2216 35 17 0.1815 0.3066 0.0557 −0.0679 −0.1579 Section 5 5 41 0.0413 0.2626 28 9 0.0183 0.0016 0.0002 −0.0002 0.0264 −0.2057 −0.4096 45 −0.1447 0.2314 0.0319 8 −0.1215 −0.0525 0.0115 −0.0666 34 −0.1172 0.0221 −0.2020 0.0005 −0.0779 0.0041 0.0032 0.4021 0.3258 13 6 −0.0905 −0.1094 0.0055 56 0.2400 35 0.0026 −0.4444 0.3768 0.0073 −0.4741 43 0.1327 −0.0820 22 0.0300 −0.3640 0.0059 −0.1211 0.0310 −0.3814 19 0.0051 25 42 39 0.3744 −0.3441 49 −0.2666 20 0.0035 −0.4272 0.0013 −0.3704 −0.0916 38 −0.0002 16 0.0295 0.3118 0.0007 The geometry of the airfoil 64 are described in terms of Cartesian coordinates defined along X, Y and R axes, which respectively correspond to the axial (X), circumferential (Y) and radial (span) R directions shown in FIGS. 0.0179 40 11 0.0572 0.2653 0.0836 0.0324 11 −0.2759 PATENTED CASE, Free format text: −0.5412 0.4715 0.0140 0.0084 44 39 −0.4949 0.0011 0.0403 −0.1368 0.0687 −0.1543 Section 21 −0.4581 −0.4306 26 19 0.3568 0.0049 6 34 0.0010 −0.0007 8 33 0.2900 0.3332 0.0389 32 −0.3719 37 27 24 −0.0575 The turbine section includes a high pressure turbine coupled to the high pressure compressor via a shaft and a low pressure turbine. 9 −0.1133 −0.0556 −0.0997 0.1344 −0.3629 0.0024 43 −0.0676 0.0059 0.3528 Copyright © 1996-2020 IndiaMART InterMESH Ltd. All rights reserved. 0.0025 In a further embodiment of any of the above, the array of fan blades includes less than about twenty (20) fan blades. 23 −0.4073 32 33 0.0088 29 All things equal, more span and less chord is more efficient. 2 31 −0.3724 −0.4043 5 48 −0.3421 The airfoil 64 has an exterior surface 76 providing a contour that extends from a leading edge 68 aftward in a chord-wise direction C to a trailing edge 70, as shown in FIG. 39 0.0046 18 The mid-turbine frame 57 includes vanes 59, which are in the core airflow path and function as an inlet guide vane for the low pressure turbine 46. 0.0165 38 52 −0.3667 5 −0.1754 0.0493 0.0273 −0.1519 52 18 17 0.0555 The camberline is a line drawn halfway between the two surfaces, and the distance between the camberline and the chordline is … 0.0765 The low speed spool 30 generally includes an inner shaft 40 that connects a fan 42 and a low pressure (or first) compressor section 44 to a low pressure (or first) turbine section 46. −0.2476 −0.0844 Compare with conventional HVLS Fans, the flat airfoil … 53 21 0.3840 40 0.0755 −0.1780 2 −0.1778 By accessing this website, you are agreeing to be bound by these website Terms and Conditions of Use, all applicable laws and regulations, and agree that you are responsible for compliance with any applicable local laws. 6 −0.4463 0.1510 Section 24 −0.1225 −0.2969 −0.2156 −0.2921 0.0649 −0.0900 0.0009 11 −0.3784 −0.1271 The contour of the airfoil 78 is set forth in Table 1, which provides the axial (X), circumferential (Y) coordinates (in inches) and span coordinates. 0.0208 Section 10 4 8 −0.3987 0.0008 27 The inner shaft 40 and the outer shaft 50 are concentric and rotate via the bearing systems 38 about the engine central longitudinal axis X. 42 0.3857 181, Rajdanga Main Road, Near Nabaday Sangha. −0.3212 0.0083 −0.5550 −0.2549 −0.1540 55 −0.0860 −0.0926 33 0.0043 −0.2222 −0.0007 −0.3115 55 −0.1996 −0.0435 −0.0407 0.0225 0.0554 −0.0141 −0.4353 50 11 −0.3665 −0.2754 0.4710 −0.1430 51 −0.0573 0.0016 0.3032 34 −0.2220 −0.0006 25 20 37 −0.3385 −0.3101 2, the fan blade 42 is supported by a fan hub 60 that is rotatable about the axis X. −0.0782 −0.0766 0.4917 0.0018 −0.2706 The manufacturing tolerance relative to the specified coordinates is ±0.050 inches (±1.27 mm). 21 0.0670 53 0.0392 0.2638 −0.3793 29 35 −0.1709 6 49 −0.3948 55 9 −0.4342 35 19 29 0.0024 0.0021 −0.1299 53 0.2186 −0.0005 −0.1094 0.0080 −0.0006 24 43 −0.2555 0.1381 The Cartesian coordinates are provided by an axial coordinate scaled by a local axial chord. 0.0018 −0.2863 Modern HVLS Fan curvilinear design airfoil use aerodynamic technology. −0.4003 0.0157 0.4048 0.1722 −0.1054 −0.0589 −0.3725 0.0413 0.0052 1 schematically illustrates an example gas turbine engine 20 that includes a fan section 22, a compressor section 24, a combustor section 26 and a turbine section 28. fan blades to enable lower fan speeds and noise while maintaining the same volumetric flow rate. −0.3781 0.0033 55 2 0.2567 −0.3608 −0.2323 6 40 47 0.0233 −0.1151 0.0046 Aluminum wheels using extruded aluminum blades are provided as … −0.3804 −0.1020 −0.5221 −0.1302 −0.3949 −0.3969 −0.3665 −0.1204 8 50 47 −0.3962 The SQA is also suited for high temperature gasses and air as well as for air conveying applications. 21 52 0.0411 0.0310 0.0214 0.0003 −0.4619 0.1122 In this manner, a new airfoil geometry may be provided while preserving the material of the originally designed blade. 34 0.0016 −0.4259 0.0214 0.1391 39 CHANGE OF NAME;ASSIGNOR:UNITED TECHNOLOGIES CORPORATION;REEL/FRAME:054062/0001. 39 0.0096 −0.0902 0.2161 −0.2535 −0.2058 0.2461 −0.2023 7 0.1681 0.3527 −0.0789 Because airfoil fans are frequently used to move dust laden gases, they are often subjected to material buildup and imbalanced fan operation. 0.0057 −0.3781 0.0095 “Low corrected fan tip speed” is the actual fan tip speed in ft/sec divided by an industry standard temperature correction of [(Tram °R)/518.7)]0.5. 11 −0.5023 50 0.2033 30 28 A circumferential coordinate is scaled by the local axial chord, and a span location. 0.2098 0.3416 0.0155 7 0.0383 0.0045 −0.5010 FEATURES: All models available with housing and wheel widths from 50% to 100%, in 5% increments and two wheel types, to deliver the performance you need with a direct driven blower. 34 0.0030 11 −0.4151 0.0071 0.3462 0.1370 0.0024 0.0014 0.0386 54 −0.3729 −0.2180 −0.3861 0.2978 25 49 49 −0.1556 0.1070 −0.5185 0.2271 0.0516 13 11 0.2973 The leading edge, trailing edge, convex side and concave side of the airfoil is at least partially coated with an erosion resistant coating. −0.3343 0.3869 −0.1781 0.0165 * Backward curved fan: - Efficiency only slightly less than airfoil fan. If you do not agree with any of these terms, you are prohibited from using or accessing this site. −0.1750 23 In a further embodiment of any of the above, the Cartesian coordinates in Table 1 have a tolerance relative to the specified coordinates of ±0.050 inches (±1.27 mm). 3 −0.4714 −0.3007 20 In a further embodiment of any of the above, the fan section is driven by a geared architecture. −0.2778 −0.0052 1 0.0790 −0.3703 0.0044 33 0.0221 0.0090 2 Custom design aluminum airfoil fan blade extrusion section . −0.5243 1 41 A wide variety of centrifugal fan airfoil blades options are available to you, such as bending, cutting, and punching. 0.0077 −0.1123 56 0.0013 53 0.0230 −0.1722 −0.0008 0.4151 −0.3910 −0.1550 17 −0.3075 0.2048 0.0162 −0.4438 0.0011 0.4288

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