directional wave recorder Articles

  • Case Study Port of Hamburg/Germany

    LOG_aLevel Storm Tide Network at the Port of Hamburg, Germany Since 2003 a Storm Tide Network from General Acoustics GmbH (GA) has been satisfactory operating at the Port of Hamburg. In a first test phase of two years a LOG_aLevel station was successfully tested by the Hamburg Port Authority (HPA) against its conventional gauges. Due to the good results in terms of accuracy and ...


    By General Acoustics e.K.

  • Case Study Norderney LOG_aLevel_ENG

    Northsea Wave and Level Measuring Station In the operation of the research centre coast of the NLWKN–Norden-Norderney Apart from the coastal engineering, the coastal surveying and morphology, the storm tide warning service of the NLWKN-Norden-Norderney belong to the specific questions and tasks of the coastal area. The German Wadden Sea and ...


    By General Acoustics e.K.

  • Response of frames seismically protected with passive systems in near–field areas

    The present paper analyses the behaviour of moment resisting frames in reinforced concrete subject to earthquakes recorded in near–field areas. In these areas, the signals show impulsive–type accelerograms, with velocity and displacement peaks higher than in far–field zones especially for the fault–normal component of the ground motion velocity in the direction of propagation of the wave, which ...


    By Inderscience Publishers

  • Engineers torque technology to medics

    Medical experts and sports scientists are becoming increasingly reliant on engineers as their disciplines become more and more technical. Mark Ingham looks at some of the projects his company, Sensor Technology, has helped behind the scenes. Like most rugby players I took my knees for granted until the day a twisting fall resulted in a torn anterior cruciate ligament. Fortunately these days it ...


    By Sensor Technology Ltd

  • Sonic booms – environmentally friendly?

    JAXA and Brüel & Kjær Join Forces to Measure Sonic Booms Brüel & Kjær and JAXA join forces in a research project to measure sonic booms. Side-by-side with JAXA’s ABBA sonic boom system, Brüel & Kjær’s PULSE LAN-XI based data acquisition and analysis system is used to study the effects of sonic booms on buildings. When ...

  • Beginner Guide to Rare Earth Magnets

    Rare-earth magnets are strong permanent magnets made from alloys of rare earth elements. Developed in the 1970s and 1980s, rare-earth magnets are the strongest type of permanent magnet, producing significantly stronger magnetic fields than any other type such as ferrite or alnico magnets. As the data speaks, the magnetic field produced typically by rare-earth magnets is 1.4 Tesla while ferrite or ...


    By Stanford Magnets

  • Introduction to Smco Magnets

    Samarium (Sm) magnets are rare earth magnets manufactured into two series. The first series is sometimes referred to as SmCo5 (Co means cobalt), which is usually a high energy product of about 18 to 22 MGOe. The second is the most commonly known as Sm2Co17, which is a higher energy product of about 22 to 30 MGOe. It combines 2 Sm atoms and Co atoms between 13 and 17. It is basically an alloy of ...


    By Stanford Magnets

  • Trelleborg Harbour Marine helps moor vessels safely at LNG terminals

    Trelleborg Harbour Marine helps moor vessels safely at LNG terminalsSafety is the priority at LNG terminals, which are growing in number inline with an increased demand for the fuel. Like many fuels, LNG is potentially hazardous and to help reduce the possibility of an incident during berthing or when a vessel is alongside a jetty, integrated mooring systems are becoming standard specification. ...


  • Advanced Global Trading: Green is the new gold says CO2 expert

    Advanced Global Trading | AGT Emission Trading Permit | Dubai: Gold investors are switching to ETPs (Emission Trading Permit), said a global CO2 market leader, predicting up to 25 per cent returns for the ‘ethical’ commodity in 2012. Charles ...

  • An extreme summer shows why we need to get real about climate change

    2011 was the summer of extreme weather— from the massive drought in the Southwest to record-breaking heat waves to Hurricane Irene’s torrential rains. Each of these events serves as a stark reminder of the growing impacts of climate change. Even so, the main recent discussion around climate change comes from Republican presidential candidates who have been debating the issue. Notably, ...

  • Smco magnets facts

    Samarium (Sm) magnets are rare earth magnets manufactured into two series. The first series is sometimes referred to as SmCo5 (Co means cobalt), which is usually a high energy product of about 18 to 22 MGOe. The second is the most commonly known as Sm2Co17, which is a higher ...


    By Stanford Magnets

  • The world printing market suffered difficult investment

    U.S. regulators recently disclosed documents show that the price of $ 28.72 per share on February 13, News Corp. (NWS) Chairman and CEO Rupert Murdoch sold 139.6 million shares of News Corp. Class B shares, cash of about $ 40 million . This indicates that the�Guanglian�paper�media printed challenged in the future. The face of the the the surging international ...

  • Oil & Gas Leakage Detection Contractors

    RADS (Remote Aerial Detection Systems) teamed with market leading vendors to supply state-of-the-art Intelligence Surveillance and Reconnaissance (ISR) and security equipment. RADS is a US-based top-tier Technology Integrator that serves international commercial and government customers across the world. Unlike the large US defense contractors, RADS is independent and can operate with agility ...


  • It’s time for the health care industry to raise its voice on climate change

    It’s time for the health care industry to raise its voice on climate change The new Clean Power Plan, stunning in its audacity, will undoubtedly face many hurdles in the coming years. Yet already it has achieved something no other major climate initiative has been able to do. It has reframed the climate conversation to put the focus squarely on the health of humans. Of course, ...


    By Ensia

  • Compost/landclearing firm keeps pace with St. Louis area growth

    While many metropolitan areas in the country's midsection are experiencing something of a population exodus, with people either seeking new economic opportunities or just the benefit of warmer climes, St. Louis and its surrounding areas have instead seen a resurgence of growth. Today, St. Louis County boasts a population that is one-fifth of the state's overall total, a health care industry that ...


    By Morbark, LLC

  • Monitoring network for Scottish ports - Case Studies

    Historically, ferry masters operating off the west coast of Scotland would have to sail to a port and on arrival visually assess the weather and tide conditions before deciding whether safe berthing alongside the pier or quayside would be possible. This wastes time and fuel, and can causes immense frustration among passengers, who may see ferries come close to a port, but thereafter depart ...

  • Ozone Depletion and Global Warming Our Planet`s Protective Shield is Being Destroyed

    Ozone Depletion Stratospheric ozone is Earth's natural protection for all life forms, shielding our planet from harmful ultraviolet-B (UV-B) radiation. UV-B causes skin cancer, cataracts and immune suppression in both animals and humans. UV-B harms amphibian eggs, midge larvae and trout. UV-B also damages plants including hardwood forests, and phytoplankton (algae is a type of phytoplankton ...


    By IHS

  • What color are your MSDSs?

    The title of "good corporate citizen" is a coveted status that requires far more than an unblemished record of compliance. More than a decade ago, consumers started setting strong sustainability expectations through purchasing practices, compelling economic participants to shape up their environmental act. Consumer purchases, influenced by advertising and other corporate messaging, have spawned ...


    By 3E Company

  • The automotive sector`s information challenge

    Few industries face the mounting challenges and scrutiny of expanding environmental compliance requirements, ecological mandates, consumer expectations, and NGO watch groups as much as the automotive industry. The entire supply chain for the automotive industry is being affected by legislation from the EU end-of-life vehicles (ELVs) Directive that addresses the recycling, reuse and recovery of ...


    By 3E Company

  • Is the U.S. Insurance Industry Prepared for Climate Change?

    Analysis of first-ever industry-wide survey finds that only 23 of 184 companies have comprehensive climate change strategies, yet some leaders are emerging. Ceres proposes recommendations to insurers and regulators to maintain insurability in a warming world. 2012 was the warmest year on record in the lower 48 states and the second most extreme weather year in United States ...


    By Ceres

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