Fundamentals of HVAC Control Systems (IP) : IP Edition by Robert McDowall

By Robert McDowall

Heating, air flow and Air-Conditioning (HVAC)control platforms are omnipresent in sleek structures. This booklet is an creation to all these eager about the specification, layout, manufacture, set up, operation or maintainance of those platforms. The ebook explains: *Control concept and the way to judge, decide on, place and series the correct form of keep watch over *The electric wisdom had to understand Read more...

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1 Source Control The most important method of maintaining acceptable indoor air quality is by controlling sources of contaminants and pollutants. Sources can be controlled by restricting their access to the space, either by design or by appropriate maintenance procedures, and by exhausting pollutants that are generated within the space. Avoiding the use of volatile solvents and banning smoking are two simple indoor examples. ” In the past, steam from the steam heating system was often used for humidification of buildings.

You have likely experienced feeling hot in a very humid space and been aware of a cold draft. You have anticipated that a space will be warm and comfortable or cool and comfortable when you get inside. As a result, you have personal experience of the seven factors that affect thermal comfort. Personal 1. Activity level 2. Clothing Individual Characteristics 3. Expectation Environmental Conditions and Architectural Effects 4. 5. 6. 7. Air temperature Radiant temperature Humidity Air speed 1. ” This heat must be emitted from the body to maintain a fairly constant core temperature, and ideally, a comfortable skin temperature.

Fundamentals of Heating and Cooling Loads. ASHRAE Learning Institute Publication. 10. Fundamentals of Electrical Systems and Building Electrical Energy Use. ASHRAE Learning Institute Publication. 11. ASHRAE Systems and Equipment Handbook, 2004 12. 1 Introduction – What is Thermal Comfort? 5 Requirements of Non-Standard Groups The Next Step Summary Bibliography Study Objectives of Chapter 3 Having studied this chapter you should be able to: List seven factors influencing thermal comfort. Explain why thermal comfort depends on the individual as well as the thermal conditions.

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