solar air conditioning Articles

  • Technical and economic analysis of a solar–assisted air–conditioning system

    This paper presents analysis aiming at assessing the feasibility and economic performance of a solar–assisted air–conditioning system for a middle class house under the climatic conditions of Tunis City. Two alternative cooling modes for the single effect water–lithium bromide absorption machine are considered, a water–cooling in association with a cooling tower and ...


    By Inderscience Publishers

  • Performance evaluation of multi-passive solar applications of a non air-conditioned building

    This paper describes the performance evaluation of solar passive cooling techniques such as solar shading insulation of building components and air exchange rate. Thermal performance of the non air-conditioned building is predicted by analysing a one-dimensional numerical model. Numerical calculation has been made corresponding to three different climates, viz. composite, hot and dry and warm and ...


    By Inderscience Publishers

  • A novel underground solar thermal heat storage unit cum heat exchanger for non air-conditioned buildings

    A novel passive space conditioning configuration is presented, integrating a Solar Collector System, Underground Storage Tank and Novel Heat Exchanger. This Underground Solar Thermal Heat Exchanger (USTHE) provided improved sensible heating/cooling of air by employing a Novel Heat Exchanger (NHX). The dynamic performance of the storage tank in USTHE is modelled using the finite difference method ...


    By Inderscience Publishers

  • Solar heat assisted solid desiccant dehumidifier saved over 30% electricity for air conditioning in Kish Island

    Thermal energy exploited from solar heater panels has been recently assisted in a desiccant wheel air conditioning demonstration project in Kish Island, Persian Gulf, Iran. “This demonstration unit was completed in late 2008 and successfully tested afterwards” said Pejman Izadkhast, M.E., the project manager, “simple solar water heating panels by total surface of 48m2 were utilized to supply ...

  • The seasonal variation of urban air quality in northern European conditions

    Meteorological conditions in northern Europe vary widely with the seasons. Consequently, the seasonal variation of urban air pollution is, to a large extent, determined by those meteorological variables which are important for air quality. We present first results on the yearly variation of atmospheric stability (and the occurrence of inversion layers), wind velocity, ambient temperature, solar ...


    By Inderscience Publishers

  • Thermodynamic analysis of an air solar collector

    The paper presents the experimental study of an air solar installation with a collecting area AC = 4.2m² and variable working fluid flow rate in the range 0.02÷0.06 kg/s. The experimental data are processed statistically through thermodynamic analysis, using energy (semi-empirical) and exergy methods. The aim of the paper is to establish the optimal air flow rate through this solar thermal ...


    By Inderscience Publishers

  • Variability of PM10 concentrations dependent on meteorological conditions

    The influence of atmospheric exchange conditions on near-surface PM10 concentrations is analysed for four cities in the South-West of Germany in the period from 2001 to 2005. For each city, the PM10 data originates from roadside stations and Urban Background (UB) stations, that is, two types of official urban air quality monitoring stations characterised by different emission situations. The ...


    By Inderscience Publishers

  • Design of passive cooling system for a building in composite climatic conditions in India

    A combined solar chimney?wind tower concept has been developed for a typical urban institution building in Delhi. Due to site limitations, the concept of solar chimney based ventilation has been introduced through roof mounted thermo-siphon air panels of 70 m? absorber area. A wind tower provided on the suction side of fresh air has potential for cooling incoming air by 5?C by using 250 m? of ...


    By Inderscience Publishers

  • Large parabolic solar baskets

    I have recently designed and started manufacturing large parabolic solar baskets which will be proved to be the most revolutionary tool to produce local power in farms, in industries and in villages and to decentralize world economy from oil based to soil based. My solar baskets are one type of parabolic solar concentrators with short focal length which will be produced at the cheapest rates even ...


    By AADHUNIK GLOBAL ENERGY

  • Solar Chimneys in Buildings - The State of the Art

    Improvement of the energy performance of buildings and achievement of indoor comfort conditions can be attained by passive cooling techniques and energy efficient measures. Natural ventilation is one of the simplest and most widely applied cooling strategies, achieved by permitting air to flow through the building. The solar chimney is a construction on the building's envelope that exploits solar ...

  • A numerical evaluation of thermal performance of double flow packed bed solar air heaters

    In this paper, double flow packed bed solar air heater was investigated theoretically and experimentally. A numerical model for the air heater was presented. Numerical calculations had been performed under Hamirpur (latitude, 31°25' to 31°52' North) prevailing weather conditions. A mathematical models based on the volumetric heat transfer coefficient have been developed. To solve this model and ...


    By Inderscience Publishers

  • Let us make our planet as solar paradise

    We should think to create happy planet. But first of all we should think what we mean by happy planet. Very nice wide highways connecting big cities is not the sign of happy planet. Big cities with tall buildings is not the sign of happy planet. Fast air conditioned trains and planes is not the sign of happy planet. Big factories producing mass products is not the sign of happy ...


    By AADHUNIK GLOBAL ENERGY

  • Clean energy: How much hot air?

    NewScientist’s January 28 issue is likely to unsettle clean energy advocates – but it is worth the read. The cover article, “Power paradox: Clean might not be green forever,” posits that even renewable energy can warm the planet, and eventually change ...

  • US Regulation of Wood-burning and Indoor Air Pollution

    Recently, the US EPA released their final proposal to update the new source performance standards (NSPS) for new woodstoves and heaters, and to add NSPS for the first time for pellet stoves, furnaces, hydronic heaters, and masonry heaters.   The measures, if approved, would take effect in 2015.  The report states, "Emissions from wood stoves occur near ground level in residential ...


    By Environics, Inc.

  • AQMesh: a new option for flexible air quality monitoring

    AQMesh has an impressive collection of global users and performance results measuring ambient air quality in applications ranging from traffic planning and urban hotspots to industrial fence line monitoring, building ventilation management, or environmental lobbying. This pole-mounted unit comes with an independent power supply and communications, so offering the possibility of measuring air ...


    By AQMesh

  • Integrated solar and wind energy powers oil recovery system

    Recovery of free-product petroleum at the former St. Croix Alumina (SCA) site in Kingshill on St. Croix, VI, is addressing ground-water contamination caused by past releases of fuel and refined petroleum at SCA. The oil recovery system employs wind-driven turbine compressors (WTCs), wind-driven electric generators (WEGs), and photovoltaic (PV) panels to power pneumatic and electric submersible ...

  • Why Solar Panels Are Grossly Inefficient (But Sometimes the Only Choice)

    Solar energy is an unlimited power source that, in some ways, is very inefficient. At the moment, developments in photovoltaic (PV) technology cannot meet the expectations of mainstream consumers and commercial establishments. However, this does not mean that solar generators are useless. They play a very crucial role in delivering power to far-flung locations, temporary camps and remote bases. ...


    By Larson Electronics LLC

  • Solar-powered Stirling engines: a low-cost possibility for village power, pumping and cooling

    Stirling engines are heat engines that operate on a closed thermodynamic regenerative cycle and are used as power systems, refrigerators or heat pumps. Recent developments in Stirling technology allow the use of low temperature heat sources including flat plate solar collectors. New concepts for low-cost, low ΔT Stirling engines that may be made by village craftsmen using locally available ...


    By Inderscience Publishers

  • RainWise Telemetry MK-lll-LR Air Strip Project - Case Study

    This project required weather data to be monitored at a remote air strip in a valley, which was then sent via the mobile phone network back to Sydney so the owner could monitor weather conditions before flying out to this remote location. The only Next G phone signal was located almost 2km away through dense bush on the side of a hill. The solution required a three part approach; A high quality ...


    By RainWise Inc.

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