Tests on glasswool air conditioning duct according to EN ... - Ursa

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Test Report N° 2914197/2Version : 00Customer : URSA IBERICA AISLANTES SA1. INTRODUCTIONThe objective of the tests was to characterise the linear pressure losses of an air conditioningduct made in insulation ductboards, reference P8858. The report 2914197/1 of the 24 th ofNovember deals with the results of previous tests made on same product (erosion andemission of particles, resistance against pressure, air leakage factor and airtightness class).Figure 1: tested productSummary of the results is in part 2.The description of the tests is in APPENDIX 1 -.The detailed are in APPENDIX 2 -.The tests were made by Mr Dominique PUGNET.4/10
Test Report N° 2914197/2Version : 00Customer : URSA IBERICA AISLANTES SA2. SUMMARY OF THE RESULTSThe Figure 2 presents the values of the linear pressure losses according to air velocity, for thestandard conditions (20°C, 101325 Pa), and for a section of 300 mm × 300 mm. The linearpressure losses are due to the roughness of the inner surface of the ductboards and theturbulence possibly created by the links between each board.Linear pressure losses according to air velocity (rho = 1,2 kg/m3)Linear pressure losses (Pa/m)14,012,010,08,06,04,02,00,00,0 5,0 10,0 15,0 20,0Air velocity (m/s)Figure 2 : Linear pressure losses according to air velocity, for P8858 reference,300 mm × 300 mm5/10
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