for further technical information, please contact advanced thermal solutions, inc. at 1-781-769-2800 or www.qats.com 89-27 access road, norwood, ma 02062 usa | t: 781.769. 2800 f: 781.769.9979 | www.qats.com r3_0215 open loop wind tunnel features: ? component temperature testing evaluate the effects of airflow on components, temperature and pcb response and reliability ? heat sink characterization characterize a variety of heat sink sizes for natural and forced convection cooling ? sensor calibration uniform velocity profile at the test section allows accurate calibration of sensors ? heat sink comparison test two heat sinks side by side and compare their thermal performance in the same environment ? pressure drop testing measure pressure drop across components or pcb for a given flow ? multiple pcb testing test actual or simulated pcbs for thermal and flow distribution ? flow visualization observe air flow distribution in the tunnel by smoke or buoyant bubbles through the all plexiglas tm test section ? variable speed change flow rates by controlling the fan rpm ? quick access quickly change the test specimen through the front access test section ? sensor ports measure pressure, velocity and temperature through the sensor ports ? orientation wind tunnel can be operated horizontally or vertically ? free lifetime tech support CWT-100 ? controlled open loop wind tunnel the CWT-100? is a research quality wind tunnel designed for pcb and component level testing. it is used in air fow characterization and fow visualization, thermal resistance measurements and generation of p-q curves. the wind tunnel can be used to characterize different heat sink sizes for natural and forced convection cooling. two heat sinks can be tested side by side to determine their thermal performance in the same environment. actual or simulated pcbs can be tested for air fow distribution and pressure drop characterization. CWT-100? fans are tray-mounted and easily replaced with another tray to accommodate larger or smaller fans. if other fow ranges are required, the air velocity in the test section can be varied from 0.5 m/s (100 ft/min) to 10 m/s (2000 ft/min) with the fan tray that is provided. the CWT-100? has 18 sensor ports on the front and sides of the test section, which allows for the insertion of a variety of probes, such as thermocouples, pitot tubes, velocity measuring sensors, etc. it can be operated both vertically and horizontally. the test section is made of plexiglas tm for ease of fow visualization. pcbs are mounted on a fexible railing in the test section. the fexibility of the movable mounting plate allows users to design and build their own modifcations to suit specifc needs. the mounting plate can be adjusted in two directions using appropriate length standoffs. the wind tunnel has honeycombs and screens to suppress turbulence and provide uniform and near homogeneous fow at the test section. a mounted diffuser at the exit and before the fans helps with pressure recovery to provide a smooth fow . an optional heat slug (hp-97) will provide the thermal performance for devices or heat sinks under test for thermal analysis. the heat slug is mounted fush with the surface, so there is no dimensional change to the objects under test. * power supply not included. recommended accessories: overall dimensions (l x w x h) 197.6 x 81.3 x 68.6 cm (77.8 x 32 x 27") test section 61 x 40.6 x 8.3 cm (24 x 16 x 3.3") number of sensor ports 18 flow range 0 to 10 m/s (0 to 2000 ft/min) weight 51.7 kg (114 lbs.) power supply requirements 24vdc at 4.3 a mps wtc-100 tm wind tunnel controller atvs-nxt tm hot wire anemometer hp-97 tm component simulator candlestick sensor
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