|Table of Contents|

Heat Transfer Characteristics of Irrigation Water and Surrounding Environment in Solar Greenhouse in Wintering Period

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2019年08
Page:
67-72
Research Field:
Publishing date:

Info

Title:
Heat Transfer Characteristics of Irrigation Water and Surrounding Environment in Solar Greenhouse in Wintering Period
Author(s):
SU Dongyang1; HU Jingjuan2
(1.Shanxi Institute of Water Resources and Hydropower Research,Taiyuan，Shanxi 030002；2.College of Hydraulic Science and Engineering,Taiyuan University of Technology,Taiyuan，Shanxi 030024)
Keywords:
solar greenhouse; irrigation water; heat; convection heat transfer; radiation heat transfer
PACS:
-
DOI:
10.11937/bfyy.20183827
Abstract:
In order to explore the heat transfer lay of irrigation water during the process of heating up inside the solar greenhouse in wintering period,this paper took the greenhouse in Lishi district,Lyuliang city,Shanxi Province as the carrier.Based on tracking test data of air temperature,soil temperature and irrigation water temperature,heat exchange between irrigation water and the surrounding environment was studied with the method of heat transfer.The results showed that the heat exchange direction between soil and water was transferred from the soil to the irrigation water for most of the day.The heat transfer from soil to irrigation water within 48 hours from the surface layer to the deep layer was 3.57 MJ,13.21 MJ,7.50 MJ,7.02 MJ,5.08 MJ,4.54 MJ,22.40 MJ,which totaled 63.32 MJ.The heat exchange direction between air and water was always transferred from the air to irrigation water,and the heat transfer to the irrigation water within 48 hours was 17.49 MJ.According to the heat transfer characteristics of soil-water and air-water,it was proposed to increase the temperature of irrigation water scientifically and quickly that increasing the side area of the heating-up reservoir,covering the insulation material at the top of heating-up reservoir in the morning and increasing the ventilation capacity at noon.The research results could enrich the irrigation management technology of solar greenhouse in winter.

References:

[1]胡婧娟，樊贵盛.季节性冻土区越冬期河流地表水温度变化特性研究[J].节水灌溉，2018（6）：7-15.[2]鲁纯养，施正香，曲萍.农业生物环境原理[M].北京：农业出版社出版，1994.[3]赵玉荣，李影，姚百超.关于三江平原地区提高灌溉水温的思考[J].黑龙江科技信息，2012（17）：238.[4]高洋，周明.井灌区水田区推进末级沟道为晒水池的意义及措施[J].黑龙江水利科技，2011（6）:275-276.[5]魏宏刚.关于提高井灌水稻入池水温措施的初步探讨[J].中国科技财富，2009（2）:122.[6]曹印龙，付强.井灌稻区晒水池增温及其影响因素关系试验研究[J].中国农村水利水电,2008（2）:28-30.[7]胡婧娟，樊贵盛.日光温室供水系统灌溉水水温变化特性的研究[J].节水灌溉，2018（7）：15-19，30.[8]胡婧娟，樊贵盛.越冬期日光温室不同升温设施灌溉水升温特性的试验研究[J].节水灌溉，2018（8）：103-107，113.[9]胡婧娟，樊贵盛.越冬期日光温室灌溉水升温与管理技术研究[J].节水灌溉，2018（5）：20-25.[10]刘伟，范爱武，黄晓明，等.多孔介质传热传质理论与应用[M].北京：科学出版社，2006.[11]杨世铭，陶文铨.传热学[M].北京：高等教育出版社，2006.[12]鲁纯养，施正香，曲萍.农业生物环境原理[M].北京：农业出版社出版，1994.[13]刘江.气象学[M].北京：中国农业出版社，2002.[14]柳孝图.建筑物理[M].北京：中国建筑工业出版社，1991:26-27.[15]刘伟，范爱武，黄晓明，等.多孔介质传热传质理论与应用[M].北京：科学出版社，2006.[16]杨振超，邹志荣，陈双臣，等.西北型日光温室内风速分布及其与室外风速和通风面积的关系[J].西北农林科技大学学报（自然科学版）,2006,34(9):36-40.

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Last Update: 2019-06-03