Mass Flow Monitoring Articles

  • Turning Science Fiction into Reality

    Precision measurement of low flow in gas mixing applications ...


    By Sierra Instruments, Inc.

  • Achievement Unlocked: Brian Estep Appointed Vice Chair of ASME’s Thermal Committee

    To solve problems and build solutions in the modern world, an engineer must have clear focus, an ability to think critically under pressure, and a willingness to work long hours. When skills are developed over time and knowledge is refined, meaningful innovation can and does come to fruition. However, what allows one to rise above day-to-day work to make a positive impact on the engineering ...


    By Sierra Instruments, Inc.

  • Achievement Unlocked: Brian Estep Appointed Vice Chair of ASME’s Thermal Committee

    In the modern world, an Engineer must have clear focus, an ability to think critically under pressure, and a willingness to work long hours. When skills are developed over time and knowledge is refined, meaningful innovation can and does come to fruition. However, what allows one to rise above the daily grind to make a positive impact on the ...


    By Sierra Instruments, Inc.

  • How to Supercharge the SmartTrak Mass Flow Controller with Compod

    Streamline, simplify and save time and money by plugging the innovative Compod upgrade into the face of any SmartTrak 100 mass flow meter or controller. SmartTrak is not only a true multi-gas digital mass flow controller, it can control your process too. ...


    By Sierra Instruments, Inc.

  • Low recirculation rate evaporators

    Abstract Fin coil evaporators with enhanced internal tube surfaces allow for optimum performance with a minimal overfeed rate. Reducing the overfeed rate requiresless pumping power and smaller line sizes to the evaporator. Additionally, less compressor power is required for the same refrigeration capacity because the wet suction line pressure drop is reduced. Lower compressor power results ...


    By Evapco Inc.

  • Repeatability is King: Up to Tenfold Improvement

    Axetris has improved the repeatability specifications of its mass flow meters and controllers. Repeatability often more important than absolute accuracy Repeatability provides information about the precision, that is, the absolute difference between a pair of repeated test results measured by one instrument under unchanged conditions. To measure precision, the same ...


    By Axetris Ag

  • Direct Mass Flow or Volumetric: The Thermal Flow Meter Technology Advantage!

    In today’s world where everyone is watching the bottom line, you need high performance, cost-effective instrumentation—and capillary thermal mass flow meters and controllers have been proven to meet this criteria in a wide range of process applications. Thermal mass flow technology is an industry standard for mass flow control of gases because it measures flow directly, at the ...


    By Sierra Instruments, Inc.

  • The ‘Swiss Army Knife’ of Mass Flow Controllers

    Did you ever wish your mass flow controller could do it all? You’re not alone. End users ranging from machine builders to laboratory researchers are often faced with the challenge of needing flow measurement and control equipment for a wide variety of applications. Many customers call the SmartTrak 100 mass flow ...


    By Sierra Instruments, Inc.

  • How to Attain Precise CO2 Injection in the Carbonated Beverage Production Process

    Looking for the perfectly carbonated beverage? Is your CO2 injection process leaving your drinks flat? Industrial mass flow controllers offer the perfect solution for controlling the exact CO2 injection into beverages to create the perfect foam for the beer industry or carbonation for popular soft drinks. It is pivotal that carbonated beverage manufacturers have the ability control the exact ...


    By Sierra Instruments, Inc.

  • Gas Mass Flow Control: Why Thermal Mass Flow Technology is Recommended for Best Accuracy!

    It’s no secret. Price, but perhaps more importantly, performance, drive every new product acquisition you make.  How important is measurement accuracy and control to your lab experiment or industrial process? It’s critical.  If your flow readings are off or the flow is not controlled with precise accuracy your research is compromised, product quality suffers, and processes ...


    By Sierra Instruments, Inc.

  • Design and Analysis of a High Pressure Ratio Mixed Flow Compressor Stage

    I. Introduction Smaller frontal area and high thrust to weight ratios of mixed flow compressor stage has resulted in its application for small gas turbine engines in aviation sector [1] . The efficiency and reliability of the compressor depends to a great extent on flow behavior in its flow passage and its interaction between impeller and diffuser. The complex turning of the flow not only ...


    By SoftInWay Inc.

  • Minute Flow Tip! Don’t Settle for “Good Enough

    The capillary thermal technology used in every SmartTrak mass flow controller measures flow directly, at the molecular level. In essence, counting and controlling every gas molecule flowing through the instrument to achieve unmatched precision. Unaffected by upstream gas temperature and pressure fluctuations, gas mass flow control is direct and ...


    By Sierra Instruments, Inc.

  • New Video: Master Your Mass Flow Control Challenges

    For over 40 years, Sierra has pioneered the development of precision gas mass flow controllers. Today, our high-performance SmartTrak lineup, with over 100,000 successful installations, proves we’ve never let up. For Lab Researchers and  ...


    By Sierra Instruments, Inc.

  • Providing Precision Flow Control Solutions for Critical Biomolecular Research

    When scientists at the University of Nottingham’s Centre for Biomolecular Sciences (CBS) in the United Kingdom needed instrumentation to control the flow of gases in their research, they turned to Litre Meter, a UK distributor for Sierra Instruments, and the SmartTrak 100 series mass flow meters and ...


    By Sierra Instruments, Inc.

  • Adsorption of hexavalent chromium by crosslinked chitosan–iron(III) in an air-lift reactor

    Column experiments were conducted in an airlift reactor containing a certain amount of crosslinked chitosan–iron(III) (Ch-Fe), to examine the effects of adsorbent mass, flow rate, and influent concentrations on Cr(VI) removal. The breakthrough time increased with an increase in Ch-Fe mass, but decreased with an increase in initial Cr(VI) concentration. The exhaustion time decreased with an ...


    By IWA Publishing

  • Axetris Mass Flow Controllers being used for CO2 isotope tracking using QCL - Case Study

    Empa utilizes Axetris mass flow controllers (MFCs) in its research laboratory at the "Top of Europe." Swiss Federal Laboratories for Materials Science and Technology (Empa) currently use Axetris mass flow controllers (MFCs) in its research laboratory at the Jungfraujoch High Altitude Research Station, located at the “Top of Europe.” Axetris MFCs were chosen to ...


    By Axetris Ag

  • Viscous heating effect on deactivation of helminth eggs in ventilated improved pit sludge

    Viscous heating by extrusion of faecal material obtained from ventilated improved pit (VIP) latrines can be used to deactivate soil-transmitted helminth (STH) eggs by increasing the temperature of faecal sludge uniformly. Viscous heating can deactivate STH eggs present in sludge to make the material safer to transport, dispose of, or use in agricultural applications or as an energy source. The ...


    By IWA Publishing

  • Viscous heating effect on deactivation of helminth eggs in ventilated improved pit sludge

    Viscous heating by extrusion of faecal material obtained from ventilated improved pit (VIP) latrines can be used to deactivate soil-transmitted helminth (STH) eggs by increasing the temperature of faecal sludge uniformly. Viscous heating can deactivate STH eggs present in sludge to make the material safer to transport, dispose of, or use in agricultural applications or as an energy source. The ...


    By IWA Publishing

  • Sierra helps Biotech firm build their Competitive edge - Case Study

    Challenged by their outdated gas mixing systems, budgetary constraints and a turbulent economy, a leading US biotech firm, who depends on precision gas mixing and blending to maintain synthetic air environments for research, sought out Sierra to help streamline and improve their processes and cut costs. Sierra engineers identified current system weak points and recommended the new  ...


    By Sierra Instruments, Inc.

  • Introducing a New Paradigm for Thermal Dispersion Mass Flow - White Paper

    Introduction Since the publication of the American Society of Mechanical Engineers (ASME) standard on thermal dispersion mass flowmeters in 2011, there have been major advancements in the technology. A review of that standard and a discussion of technology advancements provide the background to understanding groundbreaking innovations in sensor design. That, along with a comprehensive ...


    By Sierra Instruments, Inc.

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