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Conduct Research Top

  • Pressure Independent Control Valves
    In HVAC plants, water distribution can be accomplished at constant. or variable fl ow. Each type of distribution system has advantages and. disadvantages. Today variable fl ow systems using electronic 2-way. control valves became generally accepted as the industry standard due. to their benefi ts
  • The Myth of Pressure Independent VAV Terminals
    and complaints stem from improperly sized VAV terminals furnished with pressure independent (P.I.) controls. This practice is a " black eye" on our industry, an industry that almost universally assumes that the pressure independent feature will atone for oversized terminals, poor duct design, and sloppy
  • Improving Campus Chilled Water Systems with Intelligent Control Valves: A Field Study
    carry out a multitude of. control strategies. The intelligent control valve has internet capabilities and different. strategies can be downloaded remotely using internet and the built-in web server. AEI 2013 © ASCE 2013. 104. These novel control valves are independent of pressure fluctuations
  • Medical Device Link . Spotlight on Pumps and Valves
    disposables are also produced. The company is certified to ISO 9001 and follows US FDA CGMP procedures. An integrated manifold is designed to replace systems composed of multiple independent valves, tubing, screw sets, and ferrules. The device also eliminates assembly requirements as well
  • Micro Fluidic Flow and Pressure
    are important features for. manifold solutions. both the MFC and the EPC. can be built, thereby. Moreover, both controllers should. be independent of each other’s. reducing potential. behavior. leak paths and. The system as described above. has been realized with the miniature. ensuring space. flow pressure
  • The Advantages of New Proportional and Servo Valves with Integrated Digital Electronics
    in the flow by changes of supply and load pressure, the. command value of the valve has to multiplied by the factor k of equation 3: pbez. k =. (3). p − p. S. L. The implementation of this feature allows a hydraulic flow through the valve, which is. independent from variances of the supply or load
  • 2-step Variable Valve Actuation: System Optimization and Integration on an SI Engine (.pdf)
    to cylinder-pressure-. with dual-independent cam phasing is also shown. based combustion data obtained during initial baseline. testing of the production engine. Initially, it was assumed. Results show that low-mode profiles with maximum lift of. that the expected combustion deterioration at low valve. 6mm
  • Wireless Greenhouse Monitoring and Control
    to most sensors and data measurement sources. Each data logger also included USB memory stick support for easy data and program transfer and could also store as many as 10 million data points in its user-defined memory, offering independent control of schedule size and mode so that users could log only