air conditioning control Articles

  • Treatment and Disposal of Air Pollution Control Residue

    What is APCr? Thermal waste management using Energy Recovery Facilities (ERFs) is now a well-managed and mature technology that is subject to environmental monitoring by a range of competent international bodies. These ERFs have been established as a means of diverting waste away from landfill disposal and for valorising the material and energy content of the waste. Counter to historic ...

  • What`s the Best Air Pollution Control Technology for My Process?

    Air pollution control equipment is not something that business owners address by saying, “Let’s do the right thing for the environment and install an oxidizer!” In fact, the scenario is more likely to be “We need to increase productivity (always a good thing!), but that will put us over our annual emissions limits. Do we know what we will need? Where do we start? Who can ...

  • The benefits of monitoring compressed air

    Compressed air is used in many manufacturing processes for many different reasons, from the actuation and control of pneumatic valves and cylinders to the operation of process machinery and tooling. It can also be used as a transport medium for bulk materials or as a purge gas. For all its uses it is nonetheless expensive. This is why, through detailed monitoring, a business can enjoy the ...


    By Contrec Europe Limited

  • The ‘ins and outs’ of air quality monitoring

    The National Institute for Health and Care Excellence (NICE) recently issued draft guidance on ‘Air pollution - outdoor air quality and health.’ In the following article Jim Mills, Managing Director of Air Monitors Ltd, explains why there will need to be more funding for monitoring if the mitigation measures mentioned in the guidance are to be implemented effectively. Jim also ...


    By Air Monitors Ltd.

  • Optimising laboratory environment for successful IVF

    The London Women’s Clinic in Cardiff (LWC Wales) is one of ten clinics within its group which collectively provide expert fertility treatment to families across England and Wales. When it comes to IVF and fertility treatment there is no ‘off-the-shelf’ or ‘one size fits all’ solution and, as such, the medical teams produce a bespoke fertility programme for each and ...


    By Geotech

  • Energy Saving in Air Conditioning is a must!

    Energy Efficiency is now a must! Air Conditioning in residential and commercial buildings is the largest single consumer of electricity so tenants and owners are now looking for ways to reduce their air conditioning energy costs. EnviroTech, a company based in the UAE, Oman, KSA and South America with all products Made in England, is ...


    By EnviroTech Limited

  • Air Conditioning That`s Out of This World

    New materials enhance the cooling effects from outer space to reduce energy use in small- to medium-sized buildings Reducing air conditioning energy use by using new materials to enhance the cooling effects from outer space may not be such a far-out idea. In a simulation study using DOE's Energy Plus software and ...


    By US Department of Energy

  • Self–tuning fuzzy PID decoupling controller for VAV air–conditioning system

    One of the most important challenges in nonlinear, multi–input and multi–output (MIMO) and time variant systems is designing a controller with acceptable performance. This paper focuses on design a new adaptive fuzzy PID decoupling controller, applied in the VAV air–conditioning system. In this approach, the PID parameters are adjusted by fuzzy rules. Diagonal matrix decoupling method is employed ...


    By Inderscience Publishers

  • Valves in Water System of Heating Air Condition

    Common valves in water system of heating air condition include gate valve, globe valve and butterfly valve.   Gate vale For its moderate length, rotary adjusting rod and good regulating performance, gate valve is widely utilized in large caliber pipes.   Globe valve Globe valve is suitable for small caliber pipes for its long length, ...

  • Smart operation of air-conditioning (A/C) and lighting systems for national load management

    In the countries of Arabian Peninsula, demand for electric power, primarily controlled by the air-conditioning (A/C) and generally peaking at 15:00 h, is currently growing well over 5% annually. Adaptations of smart operation of A/C and lighting systems in government and institutional buildings that commonly function between 07:00 h and 14:00 h has been evaluated as a technique for national load ...


    By Inderscience Publishers

  • Policy influence of formaldehyde exposure risk in air-conditioned office environment

    Long-term measurement of indoor air quality (IAQ) over a general community could be a good approach to evaluate the influence of policy on pollutant exposure levels. However, this approach requires considerable measurement efforts and in many circumstances an updated data set will not be available. Formaldehyde is an indoor pollutant that presents a health hazard to building occupants in the long ...


    By SAGE Publications

  • From air conditioning to urban planning, defaults and standards create dysfunction by design

    How can we stop outdated assumptions from forcing us to waste? Personal heaters are a summer survival tool for many office workers chilled to the bone by hyperactive ventilation systems — an act of self-defense against an epidemic of overcooling that is wasting energy and confounding comfort in not only offices but also large shops, schools and other buildings. An audit ...


    By Ensia

  • 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

  • Using Rn-222 to manage the air quality of air conditioned buildings in Hong Kong

    This paper proposes a pragmatic methodology to manage the air quality of an air conditioned building as well as optimizing energy consumption during venting. Radon-222 (Rn-222) is used as a tracer to quantify the specific production rates and resultant losses of pollutants for which the information is important in indoor air quality management. A term, indoor pollutant inventory, is introduced ...


    By SAGE Publications

  • Fires at Composting Facilities: Causes and Conditions

    The subject of fires at composting facilities is a bad news/good news situation. The bad news is that fires are more common than we realize. Ask a group of facility operators if they have had to deal with a fire, and the majority will quietly admit they have. The good news is that we don’t realize that fires are fairly common at composting facilities. Most are neither frequent nor destructive ...


    By BioCycle Magazine

  • Integrated maximum efficiency air pollution control system

    A major uranium refiner required an air pollution control system to control emissions from their hazardous incinerator. The presence of radioactive material demanded that outlet emissions approach non-detectable levels. Macrotek was contracted to design and supply the system. Advanced, cutting edge technology was used to design a system with the lowest possible emissions, which has been ...


    By Macrotek Inc.

  • Efficient Operation of Lighting, Hot Water and Air Conditioning: Hotel Inter Continental Sydney

    To improve its environmental performance and save nearly $300,000 per year, the Hotel Inter Continental Sydney changed some practices that seemed insignificant in themselves but which collectively, wasted massive resources. The changes cost around $275,000 and no adverse affect on guest amenity. They included lowering the power of lights that were too bright, lowering the temperature of ...


  • Air Pollution Control: Ready for the 21st Century

    The textile industry is plagued by air pollution problems which must be resolved. In particular, smoke and odor arising in the process require abatement. Air pollution control technology is available today which will serve the textile industry well into the 21st century. The nature of the problem The major air pollution problem in the textile industry occurs during the finishing stages, ...


  • Maintenance solutions for air pollution control equipment

    Manufacturing facilities are constantly under pressure to meet production forecasts at the lowest possible cost. These two goals; production output and cost control, can be difficult to obtain consistently in any manufacturing operation. Additional frustration to meet these goals can be exaggerated in today’s lean manufacturing climates that have trimmed budgets and reduced workforce. ...

  • Time to address the air pollution control residue problem

    The incineration of municipal solid waste is gaining increasing importance in the UK, especially as the burning of waste can be used to generate energy, providing a more sustainable solution to our waste problem by diverting it from landfill sites. An issue with incineration is that some of our waste contains hazardous chemicals such as chlorine and lead which are volatilised during the process. ...

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