نتایج جستجو برای: ashrae 52

تعداد نتایج: 82178  

2005
G. D’ONOFRIO G. ZINI

Lymphoproliferative disorders are a very heterogeneous group of neoplastic diseases, which originate from malignant transformation of cells of the lymphoid system. Within broad limits, they include at least four main types of diseases: Hodgkin’s disease, the socalled non-Hodgkin’s lymphomas, the chronic lymphoid leukemias and the neoplasms of mature B antibody-producing cells, such as Waldenstr...

2013
Abdul Qayyum

Ammonia refrigeration systems typically offer many energy efficiency opportunities because of their large power-draw, long runtimes and dynamic operation. Ammonia refrigeration system energy use is highly dependent upon condensing head pressure, which in turn is a function of evaporative condenser capacity and control. This paper investigates the relationship between system energy use, condense...

Journal: :Science and Technology for the Built Environment 2022

Research is needed to explore the limitations and potential for improvement of machine learning building energy prediction. With this aim, ASHRAE Great Energy Predictor III (GEPIII) Kaggle competition was launched in 2019. This effort largest meter its kind, with 4370 participants who submitted 39,403 predictions. The test dataset included two years hourly whole readings from 2380 meters 1448 b...

Journal: :Energies 2022

Recent evidence available in the literature has highlighted that high-energy consumption rate associated with air conditioning leads to undesired “overcooling” condition arid-climate regions. To this end, study quantified effects of increasing cooling setpoint temperature on reducing energy and CO2 emissions mitigate overcooling. DesignBuilder software was used simulate performance a generic bu...

2010
Lei Gao Feng Zhou Xiangwei Li Yu Yang Yuhua Ruan Qi Jin

BACKGROUND Anal HPV infection, which contributes to the development of anal warts and anal cancer, is well known to be common among men who have sex with men (MSM), especially among those HIV positives. However, HIV and anal HPV co-infection among MSM has not been addressed in China. METHODS A cross-sectional study was conducted in Beijing and Tianjin, China. Study participants were recruited...

احسان ایمانی سیدامیرحسین زمزمیان, میلاد تاجیک

هدف از این مقاله، بررسی اثر نانو ذرات بر راندمان گردآورنده های خورشیدی صفحه تخت می‌باشد. در این مطالعه روش سنتز مستقیم برای آماده‌سازی نانوسیال مس بر پایه آب به عنوان یک سیال کاری آزمایش( سیال عامل) و در یک گردآورنده خورشیدی(تخت) به کار گرفته شده است. در این شرائط روش93 ASHRAE برای آزمایش گردآورنده های خورشیدی مورد استفاده قرار گرفته است. با توجه به نتایج تجربی حاصل، بازده کلی زمانی که غلظت نان...

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