hydraulic power system Articles

  • Fuel terminal upgrade installs advanced valve actuation and control - Case Study

    Sector: Oil & Gas Category: Control Networks, Electric Actuators, Fluid Power Actuators, Services Products: CP, Extended Scope, Field Service, IQ3 Range, Pakscan Overview Independent tank storage provider Vopak is increasing and enhancing fuel capacity at the Vopak Terminal Durban in South ...


    By Rotork

  • Hydraulic modeling trends in 2003

    It is traditional as a New Year dawns to review the old year and draw some conclusions. Not to be left out, we asked a number of our industry experts to reflect on key developments in their area of specialism based on their observation of the activities and issues facing users around the world during 2003. We cover in turn each of our key areas – Collection Systems, Water Supply, River Systems, ...


    By Innovyze

  • Canada pump and power utilizes hydraulic submersible pumps in unique applications

    Abrasive slurry, temperature swings of more than 100 degrees Fahrenheit, remote locations…any of these things would test a pump system. Canada Pump and Power’s hydraulic pump platforms face all three obstacles to transfer solids out of waste ponds. In service for more than two years, CPP’s Hydraulic Tiller Dredge utilizes a Cornell hydraulic submersible 6NNT pump married with a ...


    By Cornell Pump Company

  • Skidding system, mastered & powered by Holmatro

    With the recent delivery of a double-acting skidding system, the industrial section of Holmatro is focusing on the development and production of complete, client-specific solutions in the field of heavy transport. With this, besides the usual vertically oriented applications such as hoisting and lifting, Holmatro is concentrating on the horizontal movement of heavy loads. Reducing hassle for ...


    By Holmatro Group

  • Evaluation of uncertainties in system thermal-hydraulic calculations and key applications by the CIAU method

    The evaluation of uncertainty is a necessary supplement to Best Estimate (BE) calculations that are performed to understand accident scenarios in water-cooled nuclear reactors. The need comes from the imperfection of computational tools, on the one side, and from the interest in using such a tool to get more precise evaluation of safety margins, on the other. In the present paper, the approaches ...


    By Inderscience Publishers

  • Hydraulic Modelling in the Middle East and North Africa

    Water is under pressure in the Middle East and North Africa, a region which houses 4% of the world’s population but possesses only 1.4% of global water resources. A naturally scarce resource at the best of times faces increasing demand from a growing population with high expectations of water quality, supply and treatment. At the same time, the price of water fails to reflect the true cost of ...


    By Innovyze

  • 5 hydraulic equipment mistakes you might be making

    When dealing with hydraulic equipment, there are many intricate pieces that impact the effectiveness of these machines. There are many components of hydraulic equipment, and it is important that they all run smoothly. Here are five mistakes you may be making and how to correct them. 1. Changing the Oil If the base oil is degrading ...


    By A&S Hydraulic

  • Hydraulic “Fracking”: Are surface water impacts an ecological concern?

    Use of high‐volume hydraulic fracturing (HVHF) in unconventional reservoirs to recover previously inaccessible oil and natural gas is rapidly expanding in North America and elsewhere. Although hydraulic fracturing has been practiced for decades, the advent of more technologically advanced horizontal drilling coupled with improved slickwater chemical formulations has allowed extensive natural ...


    By John Wiley & Sons, Ltd.

  • Using GIS to Build Hydraulic Models Faster

    The use of hydraulic models, already widespread, continues to grow rapidly.  Modeling is used increasingly all around the world to address planning and operational issues in water supply networks, collection systems, and river management. Much of this growth results from the rapid advances in the capabilities of the best of the hydraulic modeling software solutions, which constantly improve ...


    By Innovyze

  • Power Positive Resource Recovery

    Using laws of thermodynamic analysis to evaluate the energy and power characteristics of wastewater and beneficial uses of biogas offers greater insight into best business practices and what is achievable. Growing numbers of waste-water treatment plants (WWTP) are striving to produce more power onsite. In recent years, there’s even been a race among WWTP operators to see who can ...


    By BioCycle Magazine

  • Hydraulic Dredging: A cost effective solution for most dredging tasks

    The vast majority of dredging jobs require removal of solids to depths of 30 feet or less. Several features enable hydraulic dredges to be the solution of choice for these applications. First, what are hydraulic dredges and how do they compare with alternative mechanical dredge types? Hydraulic dredges create slurries, combinations of solids and water, pump the slurries to the ...


    By SRS Crisafulli, Inc.

  • Mine Restores Basin Capacity with Hydraulic Dredge Case Study

    SRS Crisafulli introduces the Rotomite model 6000-CD Dredge SRS Crisafulli designed and built the self-propelled, steerable, diesel powered all-purpose dredge for both abrasive and soft slurries with a cast alloy pump, and 8” discharge, in the fall of 2013. The dredge was tested at Fisher Sand and Gravel’s pond on Circle Highway northwest of the Company’s Glendive, ...


    By SRS Crisafulli, Inc.

  • Optimizing water management in hydraulic fracturing for shale oil and gas production

    Centralized treatment of wastewater is emerging as a viable solution for long-term efficiency in managing water sourcing and wastewater treatment in hydraulic fracturing. The number of hydraulic fracturing (fracking) shale oil and gas wells in the United States continues to increase. Within the Bakken Shale formation alone, in North Dakota and Montana, upwards of 15,000 hydraulic fracturing ...


    By WesTech Engineering, Inc.

  • Optimizing Water Management in Hydraulic Fracturing for Shale Oil and Gas Production

    Centralized treatment of wastewater is emerging as a viable solution for long-term efficiency in managing water sourcing and wastewater treatment in hydraulic fracturing. The number of hydraulic fracturing (fracking) shale oil and gas wells in the United States continues to increase. Within the Bakken Shale formation alone, in North Dakota and Montana, upwards of 15,000 hydraulic fracturing ...


    By WesTech Engineering, Inc.

  • Power excursion of the training and research reactor of Budapest University

    A three-dimensional neutronic code POWEX-K has been developed, and it has been coupled with the subchannel thermal-hydraulic core analysis code MI based on the momentum integral model. This forms the integrated neutronic/thermal hydraulics code system POWEX-K/MI for the accident analysis of the training and research reactor at the Budapest University of Technology and Economics (BME Reactor). An ...


    By Inderscience Publishers

  • Economics of tiny thermal power plants

    Thermal power plants is the main source of energy and electricity in India and almost all countries of the world. Most of the giant thermal power plants have capacity of 500MW to 1000 MW. Investment in such giant thermal power plants is Rs 100 million per MW including transmission lines and distribution lines. ( 60 rupees = 1 US$, MW=1000KW). So 1000MW thermal power plant costs Rs 100 million/MW ...


    By AADHUNIK GLOBAL ENERGY

  • Danfoss VLT® 8000 improves reliability at power station

    Cockenzie, a 1200 MW coal-fired power station,  employs slurry pumps to convey the coal ash and fly ash. The hydraulic drive units and gearboxes  were a problem due to high maintenance cost. The easiest answer, frequency converter driven motor, directly coupled to the slurry pump. The system runs for up to 16 hours per day, also with a 38% reduction in energy ...

  • Large-scale hydropower system optimization using dynamic programming and object-oriented programming: the case of the Northeast China Power Grid

    This paper examines long-term optimal operation using dynamic programming for a large hydropower system of 10 reservoirs in Northeast China. Besides considering flow and hydraulic head, the optimization explicitly includes time-varying electricity market prices to maximize benefit. Two techniques are used to reduce the ‘curse of dimensionality’ of dynamic programming with many ...


    By IWA Publishing

  • The influence of different hydraulics models in treatment of some physical processes in super-critical states of light water reactors accidents

    This work presents the development and testing of some thermal hydraulic models designed to address the limitations of using the Homogeneous Equilibrium Model (HEM) in predicting and simulating the hydraulic response of the positive reactivity-initiated power excursion accidents in small light water reactors. The neutronic response of such accidents has been investigated based on the neutron ...


    By Inderscience Publishers

  • Clean power in water supply systems as a sustainable solution: from planning to practical implementation

    Energy efficiency and renewable energy sources have drawn a greater attention by EU, in particular for climate change policies as it can substantially cut down CO2 emissions to meet EU environmental obligations. It is well established that in drinking pipe systems Pressure Reducing Valves (PRV) are used as a mean for excess energy dissipation for the purpose of pressure control. This type of ...


    By IWA Publishing

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