63-7049 - Carbon Dioxide (CO2) HVAC Basics
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Novel Modeling and Control Strategies for a HVAC System Including Carbon Dioxide Control
Conventional heating, ventilating, and air conditioning (HVAC) systems have traditionally used the temperature and the humidity ratio as the quantitative indices of comfort in a room. Recently, the carbon dioxide (CO2) concentration has also been recognized as having an important contribution to room comfort. This paper presents the modeling of an augmented HVAC system including CO2 concentrati...
متن کاملDevelopment of air conditioning technologies to reduce CO2 emissions in the commercial sector
BACKGROUND Architectural methods that take into account global environmental conservation generally concentrate on mitigating the heat load of buildings. Here, we evaluate the reduction of carbon dioxide (CO2) emissions that can be achieved by improving heating, ventilating, and air conditioning (HVAC) technologies. RESULTS The Climate Change Research Hall (CCRH) of the National Institute for...
متن کاملOccupancy Estimation in Smart Building Using Hybrid CO2/Light Wireless Sensor Network
Smart building, which delivers useful services to residents at the lowest cost and maximum comfort, has gained increasing attention. HVAC equipment is a particularly expensive and energy consuming of building operation. A variety of emerging information technologies has been adopted. As a result, the concept of “demanddriven HVAC control” is a hot research topic. In this work, we investigated t...
متن کاملModeling and Experimental Study of Carbon Dioxide Absorption in a Flat Sheet Membrane Contactor
comIn the present study, CO2 removal from natural gas stream has been studied using a flat sheet membrane contactor. A three dimensional mathematical model is developed to describe the process. The model considers the transport of a gas mixture containing carbon dioxide and methane through a flat sheet membrane contactor module. The model is based on the non-wetted mode of operation, in which t...
متن کاملSimulation of Energy Use in Uk Supermarkets Using Energyplus
This paper investigates the interaction between supermarket heating, ventilation and air conditioning and refrigeration systems through simulation in EnergyPlus. This interaction has been studied by modelling a generic UK supermarket. The impact on the sum of HVAC and refrigeration energy consumption due to changes in a range of operating conditions was studied. These include the effect of alte...
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