Wave and Tidal Monitoring Applications

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  • Category: Monitoring & Testing ×

  • Subcategory: Wave and Tidal Monitoring ×

Percent Aromatics in Gasoline #3008

by Guided Wave Inc,     based in Rancho Cordova, CALIFORNIA (USA)

The aromatic content of gasoline determines many of its combustion properties. Since it also impacts the environmental characteristics of the fuel it is desirable to have accurate measurements of this parameter. The traditional analytical method for measuring aromatics is either gas chromatography (GC) or an older method entitled fluorescent indicator adsorption (FIA), both of which are time and labor intensive. This note will discuss the use of Guided Wave hardware and software tools for the measurement of % aromatics in fuel products using fiber optic-based, Near-Infrared (NIR) spectroscopy. NIR can be applied in real time directly in process monitoring or as a laboratory procedure. In either case NIR is a time and money saving alternative to traditional methods. Request Application Note #3008

Hydrographic Surveying

by Valeport Ltd     based in Totnes, UNITED KINGDOM

Key to any Hydrographic survey is tidal data and Valeport offer tide gauge options for both shore based and offshore / seabed applications together with telemetry packages for secure data transfer. 

Echo sounders, both single and multi-beam need sound velocity data to correctly produce depth measurements.  Valeport offer the largest range in sound velocity sensors and profilers that have world beating accuracy.

If simple, small boat echo sounding is required with single or dual frequency transducers and interface of external parameters with GPS reference then we have just what you need in our portable Midas Surveyor single beam echo sounder.

Cloud Point of Diesel Fuel #3074

by Guided Wave Inc,     based in Rancho Cordova, CALIFORNIA (USA)

The Cloud Point of a diesel fuel is the temperature below which wax forms giving the fuel a cloudy appearance. This parameter is an important property of the fuel since the presence of solidified waxes can clog filters and negatively impact engine performance. The traditional laboratory methods for the measurement of Cloud Point are optical in nature, but rely on cooling the fuel for the wax formation to occur. Guided Wave’s process analyzers can measure compositional changes in the fuel that will be directly related to the wax formation and hence the Cloud Point. This note will discuss the use of Guided Wave hardware and software tools for the measurement of the Cloud Point of diesel fuel using fiber optic-based, near-infrared (NIR) spectroscopy. NIR can be applied in real time directly in process.

Prevent biofouling in hulls and sea chests

by LG Sonic     based in Zoetermeer, NETHERLANDS

Prevent biofilm formation and lower fuel costs.

Sound Instrumentation for Measuring Sound

by Norsonic AS     based in Lierskogen, NORWAY

What is the difference between sound and noise? Clearly more than the loudness only. Although an aircraft is very noisy, a mosquito at night-time can be more than enough to spoil a good night`s sleep. Instead of looking at the loudness only as a criterion for the degree of noisiness, we shall simply regard noise as what it is - viz. unwanted sound.

Octane Number of Gasoline using NIR Spectroscopy #3012

by Guided Wave Inc,     based in Rancho Cordova, CALIFORNIA (USA)

When every second counts and performance is on the line Guided Wave's NIR analyzers allow for easy measurement of octane numbers in gasoline and refinery production units using fiber optic -based, near-infrared (NIR) spectroscopy. *Fast and reliable measurement of the octane number of gasoline (RON & MON). * Control gasoline production in real-time directly with in process monitoring. * Certify gasoline meets specification before release. *Gain significant improvements in process control. *Minimize the need for laboratory sample collection and the labor intensive "knock engine" method. The measurement of the octane number of gasoline using NIR spectroscopy is both fast and reliable utilizing Guided Wave analyzers. Results are available in real-time (seconds) for multiple parameters in complex streams. Request Application Note #3012

Cetane Number of Diesel Fuels #3010

by Guided Wave Inc,     based in Rancho Cordova, CALIFORNIA (USA)

The Cetane number of a diesel fuel is a measure of the ignition properties and is an important specification that must be met during fuel production. The traditional laboratory method for Cetane number determination is the knock engine method in which the fuel is burned and its combustion characteristics compared to known standards. This method is time and labor intensive, and provides no ability for real time control of production. This note discusses the use of Guided Wave hardware and software tools for the measurement of Cetane number in diesel fuel using fiber optic-based, Near-Infrared (NIR) spectroscopy. NIR is applied in real-time directly in process monitoring or as a laboratory procedure. In either case NIR is a time and money saving alternative to traditional methods.

Hydroxyl Number in Polyols (OH#) #3013

by Guided Wave Inc,     based in Rancho Cordova, CALIFORNIA (USA)

The use of polymeric polyols is commonplace in the manufacturing of polyurethanes and other specialty polymers. The hydroxyl number (OH#) is a measure of the concentration of the hydroxyl groups on the polyol. This is an important parameter to monitor and control during polyol production. The laboratory method that is commonplace for hydroxyl number determination is both time consuming and involves the use of hazardous materials. This note will discuss the use of Guided Wave hardware and software tools for the measurement of hydroxyl number in polyols using fiber optic-based, Near-Infrared (NIR) spectroscopy. NIR can be applied in real time directly in process or as a laboratory procedure. In either case NIR is a time and money saving alternative to traditional methods. NIR also offers the benefit of increased safety over traditional methods. For well established process measurements, a Guided Wave ClearView® db multi-wavelength photometer can be used to achieve similar results.

Wind flow measurement

by Dantec Dynamics     based in Skovlunde, DENMARK

The design of buildings and structures located both on land and in the sea must be optimised to withstand interaction with wind and wave forces. Typical applications are flows measurement around tall buildings, bridges and offshore oil rigs.

Multiparameter Monitoring for the Renewable Energy Industry

by Valeport Ltd     based in Totnes, UNITED KINGDOM

Site surveys for tidal, wave and wind based renewable energy projects will require instruments to measure standard physical parameters before, during and post installation.

Fine tuning of the generating method is also reliant on data from sensor packages to maximise the source energy required for profitable installations.

Oceanographic Monitoring

by Valeport Ltd     based in Totnes, UNITED KINGDOM

For survey operations up to 6000m depth (and deeper by special request), Valeport offer instruments to measure and record the classic physical parameters of Temperature, Depth, Salinity, Density, Currents and Waves. Along with the most accurate Sound Velocity sensors in the world; the ability to interface other parameters / sensors such as pH, Dissolved Oxygen Turbidity, Flourometer, Transmissometer and PAR; Housings and deployment frames to suit in-line moorings, profiling and seabed deployments, Valeport can cater for all your oceanographic survey requirements.

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