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Mushroom drying with solar assisted heat pump system

机译：带有太阳能辅助热泵系统的蘑菇干

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摘要

In this study, a simple and cost effective solar assisted heat pump system (SAHP) with flat plate collectors and a water source heat pump has been proposed. Mushroom drying was examined experimentally in the drying system. Solar energy (SE) system and heat pump (HP) system can be used separately or together. A computer program has been developed for the system. Drying air temperature, relative humidity, weight of product values, etc. were monitored and controlled with different scenarios by using PLC. This system is cheap, good quality and sustainable and it is modeled for good quality product and increased efficiency. Thus, products could be dried with less energy input and more controlled conditions. Mushrooms were dried at 45 ℃ and 55 ℃ drying air temperature and 310 kg/h mass flow rate. Mushrooms were dried from initial moisture content 13.24 gwater/g dry matter (dry basis) to final moisture content 0.07 g water/ g dry matter (dry basis). Mushrooms were dried by using HP system, SE system and SAHP system respectively at 250-220 min, at 270-165 min and at 230-190 min. The coefficients of performance of system (COP) are calculated in a range from 2.1 to 3.1 with respect to the results of experiments. The energy utilization ratios (EURs) were found to vary between 0.42 and 0.66. Specific moisture extraction rate (SMER) values were found to vary between 0.26 and 0.92 kg/kW h.
机译：在这项研究中，提出了一种简单且具有成本效益的带有平板集热器和水源热泵的太阳能辅助热泵系统（SAHP）。在干燥系统中通过实验检查了蘑菇干燥。太阳能（SE）系统和热泵（HP）系统可以分开使用，也可以一起使用。已经为该系统开发了计算机程序。干燥空气温度，相对湿度，产品重量等均通过PLC进行监视和控制。该系统价格便宜，质量好且可持续，并且为高质量产品和提高效率建模。因此，可以以更少的能量输入和更多的可控条件干燥产品。蘑菇在45℃和55℃的干燥空气温度和310 kg / h的质量流量下干燥。将蘑菇从初始含水量13.24克水/克干物质（干基）干燥到最终水分0.07克水/克干物质（干基）。通过使用HP系统，SE系统和SAHP系统分别在250-220min，270-165min和230-190min干燥蘑菇。相对于实验结果，系统的性能系数（COP）在2.1到3.1的范围内计算。发现能量利用率（EURs）在0.42和0.66之间变化。发现特定的水分提取速率（SMER）值在0.26和0.92 kg / kW h之间变化。

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  • 来源
    《Energy Conversion & Management》 |2013年第8期|171-178|共8页
  • 作者

    Seyfi Sevik; Mustafa Aktas; Hikmet Dogan; Saim Kocak;

  • 作者单位

    Mechanical Education Department, Technical Education Faculty, Gazi University, Teknikokullar, 06503 Ankara, Turkey;

    Energy Systems Engineering, Technology Faculty, Cazi University, Teknikokullar, 06503 Ankara, Turkey;

    Mechanical Education Department, Technical Education Faculty, Gazi University, Teknikokullar, 06503 Ankara, Turkey;

    Mechanical Engineering, Faculty of Engineering and Architecture, Selcuk University, Konya, Turkey;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Solar energy; Mushroom drying; Heat pump; Solar assisted heat pump dryer;

    机译：太阳能;蘑菇干;热泵;太阳能辅助热泵干燥机;

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