Showing results for: air flow monitoring Articles
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The Fundamentals of the Air Sampler Calibration-Verification Process
INTRODUCTION The calibration of an air sampling instrument using a reference air flow calibrator requires attention to scientific detail in order to establish that the instrument’s reported values are correctly stated and valid under the actual operating conditions of the air sampling instrument. DEFINITIONS For the purposes of this paper, the following definitions shall apply: Gas of ...
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Cemex plant Ruedersdorf - Case Study
CEMEX Deutschland AG is one of the biggest producers of ready-mixed-concrete, cement and minerals. In Germany CEMEX employs a staff of approximately 3,200 people and is part of the International CEMEX Group with a head count of 50,000. After the German re-unification the Company acquired the existing cement plant in Ruedersdorf. Investments to save CEMEX invested 300 Mio. Euros in plant ...
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Air Flow Meters to Measure Air Velocity and Air Pressure
Air flow meters are used to measure air velocity and air pressure. Depending on the type of application, air flow meters are made as hot-wire air flow meters or pocket weather flow meters, both of which can measure air velocity and air pressure. The results of measuring the air velocity can be stored in the memory of the device depending on the model. There are even data loggers for air velocity ...
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New: One VPStudio software for all VPFlowScopes
We are proud to announce the release of our new VPStudio 2.4 software. VPStudio 2 is compatible with all VPFlowScope flow meters and can be used for our entire product line: VPFlowScope M, VPFlowScope Probe, DP, In-line flow meters and the VPFlowTerminal. VPStudio can be used for the configuration of your flow meter, to download data log sessions and export them to CSV. VPStudio 2.4 ...
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In-Plane Air Flow Through Needle-Punched, Nonwoven Geotextiles Under Normal Loading
Knowledge of the in-plane permeability of nonwoven geotextiles to air and other gases has important applications including, for example, the transport and collection of methane gas beneath landfill caps. The results of in-plane flow measurements of air through eight different needle-punched, nonwoven geotextiles are presented. Air flow was measured using a radial flow device under a range of ...
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Lessons learnt from evaluating full-scale ammonium feedback control in three large wastewater treatment plants
Three large wastewater treatment plants in Sweden participate in a project evaluating different types of ammonium feedback controllers in full-scale operation. The goal is to improve process monitoring, maintain effluent water quality and save energy. The paper presents the outcome of the long-term evaluation of controllers. Based on the experiences gained from the full-scale implementations, a ...
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The all NEW TunnelTech 305 Air Flow Monitor
With over 30 years’ experience in the tunnelling market, CODEL are excited to have recently launched the 6th generation single point flow monitor utilising the very latest ultrasonic technology. CODEL’s tunnel monitoring products simplify the challenge of sourcing, installing and maintaining a highly accurate and reliable tunnel monitoring solution. The TunnelTech 305 offers low ...
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Holcim Ste. Genevieve Cement Plant - Case Study
Big and beautiful The new cement manufacturing facility of Holcim (US) at Ste. Genevieve with a production capacity of four million tonnes per year went on stream mid-2009 and is one of the most environmentally-efficient cement plants in the Holcim Group. It is 40 percent more energy-efficient than the Holcim (US) plants that were closed in 2009 and emits 10 to 25 percent less CO2. ...
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Air and nitrogen flow measurement in controlled atmosphere (CA) room
Transporting refrigerated perishable goods such as fruits and vegetables in Controlled Atmosphere (CA) is an economical solution for long distance shipments as well as long-term storage. The freshness of perishables is preserved by refrigeration and modification of the gas concentrations in CA rooms which provides reduced respiration (C6H12O6 + 6O2 à 6CO2 + 6H2O + Heat) of fruits and ...
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Thermal mass flow meter for Compressed air solution - Case study
iCenta delivered the IC-MCF Air Flow Meter complete with ancillary accessories. The IC-MCF air flow meter is indispensable for managing energy use with compressed air / nitrogen up to 12000 L/min (normal). The inexpensive mass flow meter provides precision and wide rangeability as a result of being micro-machined, integration of a micro-flow sensor and advanced channel-design technology. The ...
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Do you need to measure air flow?
Look no further. This hot wire thermo-anemometer is ideal for low air velocity, volume, and temperature measurement. If your desired application involves ventilation surveying, the maintenance of air conditioning systems, or environmental monitoring, this product will meet your requirements and more. Record your measurements on a slim plug-in telescopic probe and download the data in real-time ...
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Field measurements within a quarter of a city including a street canyon to produce a validation data set
Air pollutants and meteorological parameters were measured continuously by in situ instruments, path-averaging techniques (up to three DOAS systems), and SODAR inside a street canyon and in the surrounding area of 1 km x 1 km (Gottinger Strasse in Hanover, Germany) from 2001 until 2003 which are available in the data bank ValiData for validation of microscale models. During three IOPs tracer ...
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Luminant Oak Grove Power Station - Case Study
Powering Texas Luminant, a subsidiary of Energy Future Holdings Corp. (EFH) -which owns competitive and regulated energy subsidiaries in Texas -is the largest electricity generator in Texas. Unit two of the Oak Grove Power plant near Franklin in Robertson County, TX went online in the middle of 2010. Fluor, the project’s EPC company, completed the plant in 35 months and used advanced ...
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Car Manufacturer Saves $600,000 Yearly by Compressed Air Savings
An Article published on the website of Compressed Air Best Practices in which the value of compressed air monitoring and flow measurements comes forward. Our CEO Pascal van Putten reports on the changes they have brought to an American automaker to save $600.000 on a yearly base. “An advanced car manufacturing plant in the Western half of the U.S. is living up to its goal for a ...
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Parametric study of the dispersion aspects in a street-canyon area
Most modern cities practically consist of street canyons, making monitoring of the level of their pollution an important issue. In this study, a Computational Fluid Dynamics (CFD) simulation of pollutant dispersion was performed for a real, complex-geometry street canyon for various wind directions and speeds. Typical street-canyon effects – like the formation of a longitudinal vortex for wind ...
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Flow meter selection questions
Get your flow measurements right by selecting and installing it properly. This is key for your compressed air and gas flow measurements. A flow meter provides great insight into your consumption. Based on its measurement data, the right investment decision can be made for optimum energy savings and performance improvements. If, however, you have the right instrument for the right job! These ...
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This is why you should care about your compressed air efficiency
Efficiency is key in business. Whether it be time, money or energy: you would like to spend it in the most efficient way. The same goes for compressed air. It is essential to the production process of many factories, whether they are in glass production, food&beverage manufacturing or textile. Even so, not all companies are fully aware of the efficiency of their compressed air system. ...
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Building Ventilation – The Proper Air Changes Per Hour (ACH)
Posted by atlanticei If you need ventilation consulting or testing discussed in this article, call us at 1-800-344-4414 or e-mail us at info@atlenv.com for details and a free estimate. Written By: Robert E. Sheriff, MS, CIH, CSP, President The amount of fresh air—outside air—that needs to be introduced into a building varies widely depending upon the activity and level of ...
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Iron Ore Pelletizing Plants - Case Study
Changing the iron ore processing chain The iron ore being mined globally can approximately be divided equally into boulders and fines. For further processing boulders have to be sized to 10-30 mm for blast furnaces and 6-18 mm for sponge iron plants. Iron ore in a finely ground state is not easily transported or readily processed .The iron ore pelletizing process agglomerates the fine ground ore ...
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What To Ask When Purchasing A Fume Hood
Fume hoods are a necessity, but can also be a costly investment for many laboratories. When purchasing a fume hood, it’s important to make sure that you’re getting the right hood for your lab and your budget. What is required for installation? For any new equipment, installation is necessary. Depending on your level of expertise, this can be done on your own or you can hire a local ...
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