distributed temperature sensor Articles

  • Flow Profiling on Demand – Illuminating the reservoir with Silixa’s intelligent Distributed Acoustic Sensor (iDAS) and ULTIMA Distributed Temperature Sensor (DTS)

    As energy demands increase rapidly, the goal of energy companies is to maximize ultimate recovery in an economically sound manner. One critical capability is the accurate measurement and monitoring of production from individual layers / perforated intervals in a multi-zone completion. This data allows operators to optimize zonal production, improve recovery, increase production per well and ...


    By Silixa Ltd

  • Group method of data handling and neural networks applied in temperature sensors monitoring

    In this work a monitoring system is developed based on the Group Method of Data Handling (GMDH) and Artificial Neural Networks (ANNs) methodologies. GMDH creates non-linear algebraic models for system characterisation and ANN is a massively parallel distributed processor made up of simple processing units called neurons. The monitoring system was applied to the IEA-R1 research reactor at ...


    By Inderscience Publishers

  • Distributed Thermal-Acoustic Data Integration

    Silixa has developed a technique called Distributed Thermal Acoustics (DTA) to monitor simultaneously the thermal and acoustic profile along a hybrid optical fibre cable in submarine environments. Using its world leading distributed fibre optic technology (ULTIMATM DTS and iDASTM) Silixa deployed an optical fibre cable along the seabed and across the water column in an active gas seepage ...


    By Silixa Ltd

  • Getting Started with Distributed Data Logging

    In the first part of this series, I talked about how I see distributed data logging as an evolving trend in the field of general purpose data logging. I discussed what it is, the parts that make up distributed data logging systems, and some of the technology for connecting and communicating between the different pieces of the ...


    By CAS DataLoggers

  • Getting Started with Distributed Data Logging

    In the first part of this series, I talked about how I see distributed data logging as an evolving trend in the field of general purpose data logging. I discussed what it is, the parts that make up distributed data logging systems, and some of the technology for connecting and communicating between the ...


    By CAS DataLoggers

  • Case study - Buoy-based temperature profiling in the Bavarian Lakes

    In summertime a temperature stratification occurs in deep lakes – the surface water is warm, but deep down the water is cold.  This has considerable influence on the nutrient balance and the biological habitat in these lakes. Due to generally higher air temperatures induced by the climate change, both change and have effects on the life conditions of the ecosystems in the lakes. ...


    By OTT HydroMet

  • Large solar system in South Africa monitored by WS600 all-in-one weather sensor

    The De Aar Solar farm is the largest solar farm ever completed in the Southern Hemisphere, Africa and the Middle East region. It’s placed six km away from De Aar in the Northern Cape. The farm expands over 100 hectares of the Emthanjeni Municipality – a local municipality in the Pixley ka Seme District. The facility generates electricity using 167’580 solar (PV) panels feeding ...

  • Weather forecasting under extreme conditions in Russia - Megafon Russia - Case Study

    The National Weather Service in Russia has about 1.800 weather stations which are distributed over the entire area of Russia. That's not enough to cover weather extremes everywhere. So the Russian National Weather Service wants to create a compression ratio of measurement points. In order to achieve the budget targets, our customer decided to buy our all-in-one sensor WS600-UMB. According to ...

  • New Developments in Thermal Dispersion Mass Flow Meters: In-The-Field Compensation for Changes in Natural Gas Composition

    Introduction The flow of natural gas in pipelines is often complicated by changes in the composition of the gas. The method described in this paper solves the problem of variable composition via a new four-temperature mass flow sensor. The new (low sensor feeds its measurements into the algorithms of an advanced mathematical model that includes gas properties in its calculations. The method ...


    By Sierra Instruments, Inc.

  • A step closer toward maintenance-free gear

    Abstract—A difficult-to-predict electrical failure is the continuity failure. Pressure junctions are common problem sources for continuity failures. Available tools to search for pressure-junction problems include low-resistance testing, temperature monitoring using physical contact between sensor and heated part, pyrometer temperature monitoring, infrared photography, and visual ...


    By Eaton Corporation

  • PureAire Makes Oxygen Monitor for Nitrogen Generators

    Nitrogen generators are most commonly used in areas where on-demand nitrogen is preferred rather than, storing liquid nitrogen (LN2) in cylinders.  Nitrogen generators have a lower cost of operation, and can be used where smaller amounts of nitrogen are needed. Nitrogen generators are used in the pharmaceutical industry, testing laboratories, cryogenic facilities, welding manufactures, and ...

  • ´More Stations. More Data. Better Forecasts.´ – the NYS Mesonet

    “More Stations. More Data. Better Forecasts.” – that’s the slogan of New York State Mesonet. The weather observation network consists of a total of 125 weather stations all over the state of New York and Lufft was selected as one of the vendors to support them in capturing the data. All 125 of the weathers stations have the standard instrumentation suite. Of those 125, 17 ...

  • Innovative safety control

    Specialists of the LAMSYSTEMS Company implemented innovative approach providing protection efficiency of the microbiological safety cabinet class II NEOTERIC. Microbiological safety cabinets are used for operator, product, and environment protection when ...


    By Lamsystems

  • Continuous Oxygen Monitor Detects Leaks in Nitrogen Dewar Storage

    Extremely low maintenance oxygen (O2) monitor designed to continuously monitor confined spaces for low oxygen levels available from PureAire Oxygen Monitors. PureAire Oxygen Monitor is suitable in all environments containing nitrogen, helium, argon, or any cryogenic gases. PureAire is unaffected by temperature, humidity, barometric pressure, or any environmental changes. The instrument displays ...

  • Smart cities risk reputation with poor air quality data

    The team at AQMesh continue to receive many enquiries from smart city initiatives and are concerned that integrators risk undermining entire projects by distributing meaningless or misleading air quality information. “Many of the people I speak to are used to dealing with sensors that are easy to ‘plug and play’ and expect to be able to do the same with air quality sensors. This ...


    By AQMesh

  • Snow cover mapping using IRS-P6 AWiFS data and the relationships between some climatic factors with snowpack in the northwest of Iran

    In this study, we explored the potential of the multispectral and multi-temporal IRS Advanced Wide Field Sensor (AWiFS) data for mapping of the snow cover in the northwest regions of Iran. The AWiFS snow cover maps, based on the unsupervised classification method, were compared with the estimates of snow cover area derived from the moderate resolution imaging spectroradiometer (MODIS) images ...


    By IWA Publishing

  • Safety vs. Environment Protection: Study Discovers Increasing Salt Levels in Lakes

    A recent study published by the US-American National Academy of Sciences revealed an increasing salt amount in form of chloride in rural and urban freshwater lakes around the American continent. The scientists believe, that mainly road salt distributed on icy roadways is to blame. Increasing salt levels threaten eco systems Road de-icing salt is blamed for rising salt levels in ...

  • Case study - SEAWATCH Ecuador

    CLIENT: Instituto Oceanografico de la Armada (INOCAR). DURATION:  2002 onwards LOCATION:  Pacific Ocean off Ecuador This project for INOCAR (Instituto Oceanografico de la Armada) consisted of the delivery of a real time system to monitor meteorological and oceanographic parameters in water depths reaching 5000m. The ...


    By Fugro OCEANOR AS

  • Oxygen Monitors for the New Millennium

    Oxygen monitors have become a required piece of safety equipment for many industrial and laboratory environments, where the release of certain toxics can create an area unsafe for living beings (human or animal).  When making a purchasing decision on any oxygen detection monitor, one need look no further than the sensor cell found at the heart of the monitor.  While each oxygen ...

  • Chlorine mystery solved

    Following the installation of in-pipe drinking water quality monitoring sondes, distribution engineers discovered an occasional significant disparity between the Intellisondes’ data and results from grab samples tested by a photometer tablet (DPD) method. For most of the time, there was close agreement between the two methods, but periodically, the photometer results varied wildly, whilst ...


    By Intellitect Water Ltd

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