کد مقاله کد نشریه سال انتشار مقاله انگلیسی ترجمه فارسی نسخه تمام متن
6697128 1428353 2018 23 صفحه PDF سفارش دهید دانلود رایگان
عنوان انگلیسی مقاله ISI
A novel humidity measuring method based on dry-bulb temperatures using artificial neural network
ترجمه فارسی عنوان
یک روش اندازه گیری رطوبت نسبی بر پایه دمای دم خشک با استفاده از شبکه عصبی مصنوعی
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موضوعات مرتبط
مهندسی و علوم پایه مهندسی انرژی انرژی های تجدید پذیر، توسعه پایدار و محیط زیست
چکیده انگلیسی
Effective humidity measuring method is important for humidity monitor, detection and control. There are many humidity sensors mainly utilizing the changes of material characteristics after adsorption (or absorption) of water molecules, which may suffer problems such as high-cost, high-complexity, contamination sensitivity and hysteresis according to their materials. On the other hand, techniques for dry-bulb temperature measuring are relatively more mature. In this study, a novel method to measure the inlet humidity of an evaporator based on dry-bulb temperatures at the inlet and outlet of that evaporator was developed. The variation of humidity can be derived by the variation of dry-bulb temperatures because the heat and mass transfer are highly coupled on the evaporator. The mechanism of this novel humidity measuring method was firstly analyzed. To simplify and accelerate the complex derivation process, artificial neural network (ANN) technology was then adopted and an ANN-based model was developed. When compared to experimental results, the absolute errors of the prediction results of the ANN-based model were lower than 5% (RH), with most of them being lower than 3% (RH), suggesting that this novel method has high accuracy and can be widely used in humidity measurement in air-conditioners and dehumidifiers.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Building and Environment - Volume 139, July 2018, Pages 181-188
نویسندگان
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