Konstantinos Papamichael

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The need for proper consideration of energy-related performance aspects during building design has been identified since the energy crises of the 1970s. However, energy performance is still considered in a very small fraction of building projects, mainly because proper consideration is very expensive. It requires the use of computational software tools,(More)
Many building simulation computer programs, originally developed on mainframe computers for research purposes, can now run on the powerful workstation and personal computers that are available to most architectural and engineering firms. Major efforts have been underway during the last decade to compile these programs on personal computers and make them(More)
Crohn's disease (CD) is a chronic idiopathic inflammatory bowel disease (IBD) which affects any site of the gastrointestinal tract and occasionally extraintestinal organs. The natural history of CD varies remarkably but a considerable proportion of patients develop complications leading to hospitalizations and surgeries, impaired quality of life, and(More)
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The researchers developed and demonstrated a novel approach termed " dual-loop " for daylight harvesting controls in big-box stores with skylights. A dual-loop photosensor control system combines a closed-loop sensor with an open-loop sensor and an intelligent algorithm which work together to adjust the electric light. The result is a new daylight(More)
To make decisions, building designers need to predict and assess the performance of their ideas with respect to various criteria, such as comfort, esthetics, energy, environmental impact, economics, etc. Performance prediction with respect to environmental impact requires complicated models and massive computations, which are usually possible only through(More)
BACKGROUND Currently, there is no standardized protocol for bowel preparation before small bowel capsule endoscopy (SBCE). This study aimed to investigate the effect of simethicone combined with polyethylene glycol (PEG) on the visualization quality (VQ) of the SBCE in patients with or without known or suspected Crohn's disease (CD). METHODS This(More)
Introduction Infliximab (IFX), a chimeric anti-TNFα antibody, is effective in inducing and maintaining remission in a considerable proportion of IBD patients refractory to any other treatments [1,2]. However, 8-12% of adult and/or pediatric patients fail to respond to the induction regimen (known as primary non responders) and approximately 40% of patients(More)
Most commercial spaces have enough daylight next to windows to eliminate the need for electric lighting. Daylight harvesting systems automatically dim or switch electric lights depending on daylight availability, offering significant energy savings. Most important they offer significant peak demand reduction, since peak demand usually occurs during the(More)