Geothermal Cooling Articles

  • Cultivating geothermal energy sources – Case Study

    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. Because of high temperatures and varying ...


    By Sierra Instruments, Inc.

  • Zoo-technical application of Ground Source Heat Pumps: a pilot case study

    Ground Source Heat Pumps are energy-efficient HVAC systems usually adopted in residential and commercial buildings. However the control of the thermal environment is required not only in spaces occupied by people, but also in intensive breeding farms, in order to maintain healthy conditions and to increase productivity. In the Italian livestock breedings, heating is usually provided by means of ...


    By Tethys srl

  • 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

  • Sustainable cooling solutions for application in Western Cape Province, South Africa

    The energy demand in building sectors for summer air–conditioning is growing exponentially due to global warming, increased living standards and occupant comfort demands throughout the last decades. Concerns over these environmental changes have begun shifting the emphasis from current cooling methods, to 'sustainable strategies' of achieving equally comfortable conditions in building interiors. ...


    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

  • Exergetic and sustainability performance assessment of geothermal (ground source) ejector heat pumps

    Although ejectors have been used in cooling/refrigeration and Heat Pumps (HP) applications for a long time, utilisation of Geothermal Ejector Heat Pump (GEHP) with Ground–Heat Exchanger (GHE) is a new idea, which has recently appeared in the literature. In this study, we model a GEHP system with a GHE in terms of exergetic aspects and apply our model to this system in the heating mode. The system ...


    By Inderscience Publishers

  • 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

  • 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

  • Re-energizing California

    Multiparameter flowmeter improves process, saves money at western energy company Sierra Instruments is hard at work in the geothermal steam fields of rhc Wcsr where rugged reliability matters. In energy-strapped California, one emerging technology is using the natural geothermal reservoirs in certain areas as a source of steam that is then used to generate electricity. ...


    By Sierra Instruments, Inc.

  • Its Easy Being Green

    Building your home with benefits for you and respect for the planet Today, many homebuilders want to build projects that protect their environment. Happily, the savvy homeowner can design a house that, at little or no cost, provides the rewards of a healthier environment and lower utility bills. Indeed, many measures launched out of concern for the environment will deliver better results than ...


    By Chandler LLC

  • Rational use and management of geothermal energy resources

    This article identifies and explains several attributes of geothermal energy. High exergetic efficiency due to a close temperature tie between geothermal energy and district heating and cooling was noted. Parameters governing the rational use and management of geothermal energy systems with special emphasis on integrated-cascaded district energy systems were formulated and explained with two case ...


    By Inderscience Publishers

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