geothermal cooling water Articles

  • Investigation of a hybrid solar and geothermal driven absorption cooling system for district applications

    In this paper, a new hybrid geothermal and solar driven absorption cooling system (ACS) is proposed for low–temperature district energy applications. Two approaches are proposed in this study, namely: a) a new model for determining the specific entropy values of LiBr–water solution and (b) two new energetic and exergetic parameters, namely geothermal contribution index and solar contribution ...


    By Inderscience Publishers

  • Performance assessment of an integrated absorption cooling–hydrogen liquefaction system using geothermal energy

    An integrated geothermal based triple effect absorption cooling and Linde–Hampson system for hydrogen gas liquefaction is proposed and analysed thermodynamically. The effect of various operating conditions and parameters on the system performance is studied. The results show that the mass of hydrogen gas pre–cooled by the absorption system per unit mass flow rate of geothermal water flowing ...


    By Inderscience Publishers

  • Geothermal Energy... Power from the Depths

    The Earth's crust is a bountiful source of energy—and fossil fuels are only part of the story. Heat or thermal energy is by far the more abundant resource. To put it in perspective, the thermal energy in the uppermost six miles of the Earth's crust amounts to 50,000 times the energy of all oil and gas resources in the world! The word 'geothermal' literally means 'Earth' plus 'heat.' ...

  • Energy and exergy analysis of a novel multigeneration system producing cooling, heating, power and pure water

    A novel multi–generation system producing power, pure water, cooling and heating is proposed and analysed in detail. The system comprises a hybrid generator-absorber heat exchanger (GAX), the Organic Rankine Cycle (ORC), the absorption heat transformer (AHT) and a desalination system. For comparison purposes, three working fluids, including R123, Isopentane and n–butane are considered in the ORC. ...


    By Inderscience Publishers

  • The effect of ambient temperature fluctuation on the performance of geothermal power plants

    Seasonal and diurnal temperature fluctuations have significant effects on cooling water temperature and on the condenser temperature. The power produced by plants that utilise a low temperature resources, such as geothermal units, are more susceptible to ambient temperature fluctuations than conventional power plants. An exergy analysis was performed to evaluate the effect of ambient temperature ...


    By Inderscience Publishers

  • Case Study - 2.4 MW Geothermal Wellhead Power Plant

    Eburru, Kenya – 2012 Under a contract with Kenya Electricity Generating Company (KenGen), GDA designed, manufactured, tested, and shipped all of the major equipment for a 2.4 MW wellhead power plant at Eburru, Kenya. GDA also provided supervision and technical support during installation and commissioning of the plant. At the heart of the plant is an Elliott 8-stage GYR turbine. This ...

  • Case study - ElectraTherm generates power from low temperature geothermal

    Site: Florida Canyon, Nevada, USA Gross Power Output: up to 75kWe Hot Water Input Range: 225-230F Hot Water Flow: 150 GPM Thermal Heat Input: 660kWt Air Cooled Condenser ElectraTherm successfully commissioned its Green Machine at the Florida Canyon Mine in Imlay, Nevada. ElectraTherm marked the occasion at Florida Canyon Mine with a commissioning ceremony including officials ...


    By ElectraTherm

  • Case study - green machine in Romania running off geothermal brine

    Gross Power Output Avg: 50kWe Thermal Heat Input: 700kWt Hot Water Input Range: 105°C Hot Water Flow: 10.1 l/s Average Ambient Temp: 12°C The Green Machine was commissioned at a geothermal well in Romania. The machine produces 50kW (gross) of electricity from the geothermal hot water (216°F/102°C) without any fuel or emissions. To further increase the ...


    By ElectraTherm

  • As Global Demand for Electricity Grows, Geothermal Energy Heats Up

    January 9, 2017 — At 2:46 p.m. local time on Friday, March 11, 2011, Japan was rocked by the largest earthquake ever to strike its shores. The 9.1 magnitude quake triggered a devastating tsunami that killed more than 15,000 people. It also took out the back-up emergency generators that cooled the reactors at the Fukushima Daiichi nuclear power plant complex, causing a series of ...


    By Ensia

  • Striving For Perfection: Flow Energy Partnership Improves Geothermal Energy Production

    Since the early twentieth century, geothermal energy has been used to produce electricity. In the 1980’s and 90’s, rapid expansion in the demand for geothermal energy put pressure on suppliers to reduce costs and increase efficiencies. Now geothermal energy production is becoming a common practice around the globe. One of the largest energy companies in Turkey is blazing the ...


    By Sierra Instruments, Inc.

  • Permeable (pervious) pavements and geothermal heat pumps: addressing sustainable urban stormwater management and renewable energy

    Water and energy are the two most fundamental ingredients of modern civilisation and are also the most precious and essential resources around the globe. They are inseparably coupled and with increasing pressures on these resources as the world's populations grow, the concepts of a combined approach can be applied while addressing the economic, climate, water and energy crises. Sustainable ...


    By Inderscience Publishers

  • IF Technology - Netherlands based Sun Solutions deploys eSight with SharePoint integration for management of geothermal energy systems at IF Technology

    IF Technology is Europe’s foremost specialist on geothermal energy systems. In the Netherlands over a thousand systems are in place where heat from the summer and cold from the winter is stored underground to be used again six months later. Needless to say, making use of nature’s own heating and cooling equipment makes for a very energy efficient way to get a comfortable temperature ...


    By eSight Energy Ltd

  • Proof: For superior energy efficiency - Water Beats VRF - Case Study

    ASHRAE’s Apples to Apples Comparison Proves Hydronics Delivers Superior Energy Efficiency over VRF For years Variable Refrigerant Flow (VRF) manufacturers have been touting their systems’ superior energy efficiency over hydronics without providing the supporting data. Then ASHRAE decided to showcase both systems in its Atlanta headquarters and meter their performance. ...


    By Evapco Inc.

  • Case Study - 6MW Non-Condensing Power Plant

    Lihir Island, Papua New Guinea – 2003 First Geothermal Power Station in PNG: Press Release, April 16, 2003 Lihir Gold Limited “Gold company Lihir Gold Limited is turning its vast geothermal resource into an opportunity. In April, the company started commissioning a 6MW geothermal power station, the first in Papua New Guinea to use natural geothermal ...

  • 5 Eco-Friendly Installations that Attract Homebuyers

    Many homeowners are going green for different reasons. Some want to reduce their carbon footprint, others want to save money, either way going green is in. Here are five ways to add eco-friendly features to your home. Reclaim Gray Water The average family of four, according to the Environmental Protect Agency, uses 400 gallons of water every single day. Using gray water, however, ...

  • Case Study - 30MW Single Flash Power Plant and 20 MW Expansion

    Lihir Island, Papua New Guinea – 2005 In December 2003, Lihir Management Company awarded GDA a contract for supply and site supervision for a 30MW (net) geothermal power plant. In 2005, Lihir contracted with GDA for an additional 20 MW of plant equipment. The picture at the right shows the main power house and annex under construction. The power house is the larger open section which ...

  • A Cleaner Energy Future

    As renewable energy plays an increasingly important role in the world’s energy portfolio, the standards of ASTM International Committee E44 are helping to pave the way for innovation in clean energy sources. A growing population and improving living standards around the world are causing significant increases in energy demand and competition for fossil fuels. These escalating energy ...


    By ASTM International

  • Case study - Green Machine uses biomass to put power back on the grid

    St. Helena Island, South Carolina Gross Power Output: up to 43kWe Thermal Heat Input: 200 - 500kWt Hot Water Input Range: 160 - 235°F Hot Water Flow: 150 GPM     Cold Water Input: 68°F Cold Water Flow: 150 GPM In fall 2010, American Capital Resources Company installed ElectraTherm’s heat-to-power Green Machine, for generating power from ...


    By ElectraTherm

  • Renewable energy progress report

    What is the Renewable energy progress report and what is its purpose? The Renewable Energy Directive states that a progress report should be issued every two years. The purpose of this progress report is to assess Member States' progress in the promotion and use of renewable energy in line with the 2020 targets. In addition, it contains sections on ...


    By Europa Press Room

  • Malvern Community Hospital, Worcestershire - case study

    ENER-G delivered a solution that combines two low carbon technologies – a ground source heat pump system and a combined heat and power (CHP) unit - as part of the eco-friendly design brief set by Interserve, which was contracted by Worcestershire Primary Care Trust to build the £17.7 million new hospital. The 24-bed hospital will utilise renewable geothermal energy for heating, ...


    By ENER-G

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