HVAC systems
A Distributed Optimization Method for Energy Saving of Parallel-Connected Pumps in HVAC Systems
... Abstract: The energy saving problem of parallel-connected pumps in heating, ventilation, and air-conditioning (HVAC) systems has received an increasing attention in recent years. While many pump ...
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RETRACTED: A Simplified Thermal Modelling of Cooling Tower for Optimization of HVAC Systems to Enhance Energy Efficiency
... installed systems are ...countries, HVAC systems are the most energy consuming devices, accounting for about 10% - 20% of final energy use ...
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Review of phase change emulsions (PCMEs) and their applications in HVAC systems
... Phase change material emulsions (PCMEs) are multifunctional fluids consisting of Phase Change Materials (PCMs) and carrier fluids. PCMEs could be potential candidates as heat transfer media in heating, ventilation and ...
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An adaptive neural network controller for chilled water temperature in HVAC systems
... This paper proposed an adaptive neural network controller to maintain the chilled water temperature in heating, ventilation and air conditioning(HVAC) systems. The heat transfer behavior between chilled ...
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Basic Classification of HVAC Systems for Selection Guide
... term HVAC (Heating Ventilation and Air Conditioning) is no more alien to common ...find HVAC systems at almost all places, be it shopping mall, commercial complex, hotels, hospitals, offices or low/ ...
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Air to Air Energy Recovery from HVAC Systems under Different Membrane Materials
... Abstract Membrane heat exchanger is one of the main components of green HVAC systems. Performance of a thin-membrane heat exchanger has been examined for different membrane materials. A computational fluid ...
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Economic multiple model predictive control for HVAC systems - A
... In this scenario, a flexible electricity price is used as described in Section 4.6. The indoor temperature varies between 16 and 21°C[r] ...
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Overview of HVAC Systems in General Aspects
... Concerns about indoor air quality are leading more and more homeowners to install controlled ventilation systems for providing a reliable source of fresh air. The simplest approach is to provide spot ventilation ...
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Microbiological Air Quality in Heating, Ventilation and Air Conditioning Systems of Surgical and Intensive Care Areas: Application of a Disinfection Procedure for the Dehumidification Devices
... RDW systems related to the surgical areas (SA1 and SA2) and to the intensive and sub-intensive cares (IC and ...in HVAC systems, before and after the disinfection ...IC HVAC system, was ...
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Flatness Based Control of a HVAC System
... Flatness property has been used also in many other areas of control. For example, in the paper [7] a meth- od was described, which combines the flatness for- malism for trajectory generation with the nonlinear model ...
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A System for Monitoring and Managing Indoor Air Quality and Environmental Conditions
... an HVAC control system is providing a reasonable and acceptable temperature range by providing heated or cooled ...The HVAC system deals with the content of air inside a semi-enclosed environment that could ...
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Study On Predictive Maintenance Of HVAC System
... Commercial heating, ventilating and air conditioning (HVAC) systems provide the people working inside buildings with conditioned air so that they will have a comfortable and safe work environment. People ...
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Comparison of software for building energy simulation
... transient systems simulation program with a modular ...energy systems, as well as component routines to handle input of weather data or other time-dependent forcing functions and output of simulation ...
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A Study on Role of HVAC System in Data Center
... HVAC systems are classified into self-contained unit packages or central ...rooftop HVAC systems, air conditioning units for rooms, and air-to-air heat ...central systems, the primary ...
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GREEN AND INTELLIGENT TECHNOLOGIES FOR SUSTAINABLE BUILDINGS
... Management Systems (BEMS) are designed to provide over sight and remote control of HVAC systems, lighting and other building ...of systems and greatly reduces the inter action of mechanical ...
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A Study on the Characterization of Deposited Dust on HVAC Ducts in Subway Stations
... VT is also widely used to evaluate the pollution levels in HVAC systems [8-9]. There are two types of vacuum test: a method in which a brush is mounted in the vacuum pump and is used to sweep the duct, ...
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ENERGY SAVING BY MODIFICATION IN HVAC AS A COST SAVING OPPORTUNITY FOR INDUSTRIES
... ABSTRACT: HVAC maintain both comfort and safety of indoor air ...for HVAC systems in new industrial ...of HVAC systems generally include dampers, supply and exhaust fans, filters, ...
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The system identification of HVAC artificial neural network
... (HVAC) systems are a permanent part of everyday life in our industrialized ...these systems translates into annual savings of millions of dollars at the national level (Teeter and Chow, ...
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HVDC Grid Segmentation Analysis for Blackouts Reduction
... AC systems through DC links introduces a new concept that utilizes the advantages of direct current transmission to improve network reliability and increase power transfer ...these systems connection points ...
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Cogeneration in Modern Systems for Heating, Ventilation, AirConditioning and Cooling (HVAC)
... gle-stage systems require either hot/warm water (90 to 110°C) or low-pressure steam, while two- stage units use higher pressure ...cogeneration-HVAC systems, while larger units with steam production ...
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