Special Issue "Fault Identification and Fault Impact Analysis of Ventilation System in Buildings"
Deadline for manuscript submissions: closed (20 July 2022) | Viewed by 9896
Interests: ventilation; indoor climate; energy; district heating; energy storage; control; building
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Interests: automation; control; energy; building; fault detection
Interests: controllers; model predictive control, smart grid, energy storage; indoor climate; ventilation; energy; control; building
This Special Issue is dedicated to fault modeling, fault detection and diagnostics (FDD), and fault impact analysis (FIA) with focus on heating, ventilation and air conditioning (HVAC) systems. Buildings use 40% of total global energy and are responsible for more than 35% of CO2 emissions. In most buildings, the heating, ventilation and air conditioning (HVAC) systems consume 50% of the building energy. Access to information on the actual energy performance of buildings and its systems is essential in order to improve energy efficiency, leading to considerable reduction in GHG emissions and end-user costs. Today’s energy performance calculation of buildings is at the design stage, which does not account for the dynamic variation of the energy performance over time. The inefficient use of energy in buildings, for instance, the inefficient energy use of common faulty systems, is a question that spans the whole process of building planning, design, construction, operation and maintenance.
The HVAC systems are a priority since they are the largest end-use energy consumption in buildings. Furthermore, these systems are well known to be highly inefficient and could represent a 5–20% annual energy saving if failures are detected and fixed. HVAC system inefficiencies have several root causes such as design problems, malfunctioning and/or unnoticed faults in one of the parts of the system— valves, coils, fans, boilers, and pumps. Oversized components and bad design of the control system are very common causes of energy waste. In both cases, even if the system is working as designed, the energy is not efficiently used. On the other hand, malfunctioning components and unnoticed faults cause energy waste during the periods that such problems remain unaddressed. This period can be very long since a well-designed control system compensates the fault and, consequently, there is no perceptible change in the environmental conditions of the served space.
Prof. Alireza Afshari
Dr. Jan Bendtsen
Dr. Samira Rahnama
Manuscript Submission Information
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Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Energies is an international peer-reviewed open access semimonthly journal published by MDPI.
Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.
- fault modeling
- fault detection and diagnostics
- fault impact analysis
- indoor climate