...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Renewable energy >Impact of load variation on the energy and exergy efficiencies of a single vacuum tube based solar cooker
【24h】

Impact of load variation on the energy and exergy efficiencies of a single vacuum tube based solar cooker

机译：负载变化对单个真空管式太阳能炊具的能量和火用效率的影响

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

A single vacuum tube based solar cooker has high energy and exergy efficiency, and is capable of achieving cooking temperatures as high as 250 ℃ The reason for high energy and exergy efficiencies of this solar cooker is the high achievable concentration ratios of 15-20, which are not possible with multiple vacuum tube based solar cookers. In this paper, a comparative study has been carried out to experimentally determine the impact of varying the load on the various performance measuring parameters. Five experiments have been carried out with 3, 4, 5, 6 and 7 kg of respective water loads. Performance measuring parameters including the energy and exergy efficiencies, heat loss coefficient, quality factor, adjusted quality factor, peak exergy power, and peak exergy power to temperature difference gap product have been determined for each case. It is concluded that the performance measuring parameters have correlation with the load on the solar cooker. Performance parameters indicate average peak exergy power of 51.07 W, while the product of temperature difference gap at half power to that of peak exergy power is about 3000 W K. The highest value of the quality factor was found to be 0.0506 with 6 kg of water load.
机译：基于单个真空管的太阳能炊具具有较高的能量和火用效率，并且能够实现高达250℃的烹饪温度。该太阳能炊具之所以具有较高的能量和火用效率，是因为可达到的15-20的高浓度比，基于多个真空管的太阳能灶具是不可能的。在本文中，进行了一项比较研究，以实验确定变化的负载对各种性能测量参数的影响。分别对3、4、5、6和7 kg的水负荷进行了五个实验。已经确定了每种情况下的性能测量参数，包括能量和火用效率，热损失系数，品质因数，调整后的品质因数，峰值火用功率和峰值火用功率对温差差距乘积。结论是，性能测量参数与太阳能锅上的负载相关。性能参数表明平均峰值火用功率为51.07 W，而半功率与峰值火用功率的温差差距乘积约为3000 WK。发现质量因子的最高值为6千克水为0.0506。加载。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号