pool heating Articles

  • Rural house with swimming pool, Perthshire

    At this site in Scotland the owner has achieved a high level of energy independence using a mix of renewable energy sources, including a Gaia-Wind turbine. Average annual wind energy production: 25,000 kWh Background At this site in Kinrossie, Perthshire, the owners’ goal was to achieve a high level of energy independence using a mix of renewable energy ...


    By Gaia-Wind Ltd.

  • Ultraviolet disinfection systems, the best solution to school swimming pools

    School swimming pools are a valuable asset, and are now present in the majority of high schools and higher education facilities throughout the UK.  Whilst school pools vary in size, shape and usage, many school swimming facilities are facing a common dilemma in their water disinfection strategy.  Existing treatment regimes are often badly designed, under sized or simply outdated, which ...


    By atg UV Technology

  • Tunnel Fires: Experiments on Critical Velocity and Burning Rate in Pool Fire During Longitudinal Ventilation

    In this study, the 1/20 reduced-scale experiments using Froude scaling are conducted to investigate the effect of longitudinal ventilation velocity on the burning rate in tunnel fires. The methanol pool fires, acetone pool fires, and n-heptane pool fires with a heat release rate ranging from 2.02 to ~6.15 kW, 2.76 to ~11.04 kW, and 2.23 to ~15.6 kW, respectively, are used. A load cell is used to ...


    By SAGE Publications

  • Cycle Stop Valve replaces four Variable Speed Pool Pumps case study

    This pool has 4 water features, a slide, a waterfall, a spa cascade, and a wet wall. I required the ability to run each of these water features independently. This pool also has four cleaning modes, two sets of in floor cleaning nozzles, skimming, filtering, and vacuuming. In addition this pool also has a 50 foot zero entry lip. In order to accommodate all the above a typical configuration would ...


    By Cycle Stop Valves, Inc.

  • Harnessing the Sun`s Energy for Water and Space Heating

    The pace of solar energy development is accelerating as the installation of rooftop solar water heaters takes off. Unlike solar photovoltaic (PV) panels that convert solar radiation into electricity, these "solar thermal collectors" use the sun's energy to heat water, space, or both. China had an estimated 168 million square meters (1.8 billion square feet) of rooftop solar thermal collectors ...


    By Earth Policy Institute

  • Fate of organic matter during moderate heat treatment of sludge: kinetics of biopolymer and hydrolytic activity release and impact on sludge reduction by anaerobic digestion

    Temperature-phased anaerobic digestion with a 50–70 °C pre-treatment is widely proposed for sludge. Here, such a sludge pre-treatment (65 °C) was studied against the physical, enzymatic and biodegradation processes. The soluble and particulate fractions were analysed in terms of biochemical composition and hydrolytic enzymatic activities. Two kinetics of organic matter ...


    By IWA Publishing

  • Hyatt Tamaya, Aquatics

    Situated between Santa Fe and Albuquerque, N.M., at the base of the Ly Sandia Mountains, the Hyatt Regency Tamaya Resort and Spa offers guests a myriad of opportunities for luxurious and refreshing aquatic experiences. Whether a tranquil spa visit, fun in the plaza pool, a mid-winter swim in the outdoor, heated Kiva pool or a relaxing moment in the whirlpool, visitors cannot help but become ...

  • What Are Solar Buildings Technologies?

    Solar buildings technologies use the non-polluting power of the sun to help heat, cool, and power our buildings. Because buildings now use one-third of the energy currently consumed in this country, the potential markets for using solar buildings technologies in place of conventional ones is substantial. Whether you're a home owner, architect, builder, business owner, or industry or utility ...

  • Passive samplers for air quality monitoring in a Brazilian university

    The aim of this paper was to evaluate the applicability of passive samplers for the monitoring and diagnosis of air pollution at Passo Fundo University, focusing on atmospheric pollutants NO 2 and O 3 . The samplers were built in accordance with already verified methodologies and were placed in several locations in the university campus, namely: energy generator, pool heating boiler, ...


    By Inderscience Publishers

  • Case study - Synapsys - Making a splash in energy excellence

    Synapsys makes a splash in energy excellence Synapsys, UK leader in developing and supplying innovative communication interfaces for the built environment, is at the high-tech heart of a low carbon leisure centre building which has received a top accreditation for energy saving and attracted half a million visitors in its first year. The £7million new Wolverton Leisure ...

  • Connections: Toasty Toes

    After 14 years of living on a houseboat we have now moved into an apartment in a private home. There are many wonderful things about this apartment - the lack of dry rot and any concerns about the wind direction are two of them. Perhaps my favorite is the radiant floor heat. Radiant heat, hot water piped under the floors, keeps your toes and the rest of your body toasty. Water is great for this ...


    By BioCycle Magazine

  • The Effect of Fuel Quantity and Location on Small Enclosure Fires

    Results from an experimental program undertaken to study the effect of fuel quantity and location on ethanol pool fires in the open and in a small enclosure (an ISO 9705 room) are compared with simulations using the Fire Dynamics Simulator version 4.03 (FDS4). The fuel in trays is placed at three locations (front, back, and center) within the room enclosure as well as directly under the ...


    By SAGE Publications

  • BioSense a Biofilm Monitor and Controller

    Abstract Biofilms (slime) can form on virtually every nonshedding surface, in a nonsterile aqueous environment i.e. anywhere where a water source is present; such as cooling/heating systems, swimming areas and in drinking water purification. These Biofilms can cause a myriad of problems including; harbouring harmful bacteria such as Legionella, inducing corrosion, and reducing ...


    By Sensara, SL

  • Save money, save carbon

    As a way of saving money in a financially difficult time, engaging in a resource efficiency programme can help organsations cut costs from waste, water, packaging, emissions and supply chain wastage. Embedding a resource efficient approach to procurement business can proactively work with suppliers that offer cost effective solutions as well as environmentally preferable options. In the UK there ...


    By Crowberry Consulting

  • It`s Hot in the Y.M.C.A

    The Montclair Y.M.C.A in New Jersey, America has two swimming pools and shower facilities that require constant hot water - presenting a big challenge to the management and maintenance teams. With such a demand on the heat exchangers, limescale build-up has been a perennial problem, not only does it increase fuel usage, but if left unchecked could result in equipment failure. The centre ...


    By Hydropath Technology Ltd.

  • Double wall underduct installed at transit operations facility (FRP)

    Application Spotlight Location: Transit Operation Facility, Raleigh, NC (LR Gorrell - Monoxivent Sales Representative) UnderDuct Details: Double Wall UnderDuct, 28" down to 12" diameter duct   Summary: The Transit Operations Center consists of a 27,400-square-foot, two-story operations administration building; a ...


    By Monoxivent

  • Performance Verification for a Nursing Home’s Hot Water System

    CAS DataLoggers has provided the performance verification solution for an HVAC provider monitoring the efficiency of its solar collector water heating system installed in a nursing home. The company’s solar collectors are commonly used to heat residences, pools and hot tubs to provide cheaper hot water. ...


    By CAS DATALOGGERS

  • In-Situ thermal treatment of MGP waste and creosote

    Abstract: Remediation of coal tar at former Manufactured Gas Plant (MGP) sites, and creosote associated with wood preservative sites is challenging due to the viscous nature of the dense non-aqueous phase liquid (DNAPL) and the modest solubility and vapor pressure of the contaminants of concern (COCs). DNAPL seepage into surface water bodies, as well as groundwater plumes formed by the most ...


    By TerraTherm, Inc.

  • Legionella, water treatment and energy saving

    We can help improve health and safety and increase energy reduction. At the moment you probably keep water temperatures above 60°C and you probably undertake regular chemical or thermal water system treatments and shower head treatments, all to prevent the growth of Legionella in your water system. There are several reasons to do this including legal, safety, ...


    By Aquadron

  • Utilizing unconventional water sources for industrial reuse

    Reclamation and reuse of unconventional wastewater sources for plant raw water, cooling water and process pre-treatment has increased substantially due to increases in the cost of drinking water, recurring water shortages that can impact business operations, and tightening government regulation. Water is required in almost every industrial sector for the processing and manufacture of products. ...


    By WesTech Engineering, Inc.

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