geothermal water Articles
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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 ...
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INES Nano Tech - Case study
First developments in utilizing nano structures to improve the energy yield of salinity gradient technologies were made in 2013. In their Article “Giant osmotic energy conversion measured in a single transmembrane boron nitride nanotube”, Alessandro Siiria et al detailed the results of inserting a single boron nanotube into a hole drilled into an impermeable, electrically ...
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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. ...
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Geothermal plant protects pumps - case study
This large geothermal company needed reliable equipment in the deserts of southeastern California. Geothermal plants turn water into to steam to drive turbines. Protecting the pumps is paramount. Keeping the inflowing water clean of debris and marine life, an IWS traveling water screen provides reliable removal with minimal labor. Debris is lifted from the water, and dropped directly into a ...
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Solar Energy is Cheaper than Fossil Fuels
The moment many environmentalists have been waiting for so long finally came: installing solar-powered facilities is now more financially viable than investing into similar fossil fuel based facilities. Green technology fans - rejoice! In over thirty countries, including the USA, solar and wind energies attained the same price, or lower than that produced by fossil fuels. In fact, the price of ...
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Infloor Heating Systems Powered by Geothermal Energy - Case Study
Alternative energy continues to gain attention, and for good reason. Did you know the ground beneath your feet contains enough energy to heat and cool your home, and your domestic hot water? Heat stored in the ground can be used as a fuel source harnessed through geothermal heat pumps. More and more people are catching on to this clean, renewable, readily available energy resource and their ...
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Evaluation of utilisation opportunities of geothermal energy in the Kavala region, Greece, using exergy analysis
Greece has a lot of geothermal energy fields. Due to legal inefficiencies, the exploitation of this renewable energy source remains at very low levels. In this work, the operation of a cogeneration (hot water and electricity) geothermal plant that could be built in Eratino, Greece, is analysed. The research on the development of a low enthalpy geothermal field is investigated as a very essential ...
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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 ...
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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 ...
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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 trail ...
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Peak Oil – Peak Opportunity?
Possibility and public policies can harness renewable energy technologies for a bright future “Alternative” fuels are nothing new. In fact, they were the mainstream power source a century ago. Rudolph Diesel built his engine to run on peanut oil. Henry Ford designed the Model T to run on ethanol. Wind delivered a significant source of power in the last century. Cheap gasoline (and ...
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Asia–Pacific Analysis: The slow road to green energy
More Asia–Pacific countries need to embrace renewable energy and follow the first tentative steps of some governments, says Crispin Maslog. The South-East Asia and Pacific region is blessed with abundant sources of 'green' energy — including sun, wind, water, biomass and geothermal — but governments are still not doing enough to harness them. The 30 countries in this part of ...
By SciDev.Net
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Waste Heat Recovery`s Role in ESG Strategy
What is ESG? Environmental, social, and governance (ESG) refers to a company’s set of standards in relation to sustainability, human and social capital, leadership, and compliance. These factors play an increasingly large role in business decisions as shareholders are becoming more concerned with how an organization’s (primarily) eco-social practices will affect long-term growth in a ...
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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 catastrophic ...
By Ensia
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Mobilizing Climate Investment: The role of international climate finance in creating scaled-up, low-carbon energy
Between now and 2050, developing countries need an estimated $531 billion per year of additional investment in energy supply and demand technologies in order to limit global temperature rise to 2° C above pre-industrial levels. To achieve this scale of investment, developing country governments and custodians of international public finance will need to deploy limited public finance in ways ...
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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 thesustainability scheme for biofuels and ...
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