An experimental study on the effect of a rock-bed heating system on the microclimate and the crop development under canarian greenhouse

被引：50

作者：

Bazgaou, A. ^{[1
]}

Fatnassi, H. ^{[2
]}

Bouhroud, R. ^{[3
]}

Gourdo, L. ^{[1
]}

Ezzaeri, K. ^{[1
]}

Tiskatine, R. ^{[1
]}

Demrati, H. ^{[1
]}

Wifaya, A. ^{[3
]}

Bekkaoui, A. ^{[4
]}

Aharoune, A. ^{[1
]}

Bouirden, L. ^{[1
]}

机构：

[1] IbnZohr Univ, Thermodynam & Energet Lab, Fac Sci, BP8106, Agadir 80006, Morocco

[2] Natl Inst Agron Res INRA, Sophia Antipolis, France

[3] Reg Ctr Agr Res CRRA, Inezgane, Morocco

[4] Agron & Vet Inst Hassan II, Rabat, Morocco

来源：

SOLAR ENERGY | 2018年 / 176卷

关键词：

Heating greenhouse; Rock-bed heating system; Greenhouse climate control; Crop development control; THERMAL-ENERGY STORAGE; PHASE-CHANGE MATERIALS; AGRICULTURAL GREENHOUSES; SOLAR-ENERGY; PART I; PERFORMANCE; TECHNOLOGIES; TEMPERATURE; AIR; IMPROVEMENT;

D O I：

10.1016/j.solener.2018.10.027

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

The use of thermal solar energy for heating greenhouse in winter period, where climatic conditions are unfavorable for the plant, is an important issue. In this paper, the performance of a rock-bed heating system is analyzed and discussed in a conventional Canarian type greenhouse in Morocco. An experimental comparative study is conducted in two East-West orientated greenhouses for solving the problem of conventional greenhouses that are facing overheating problems during the day and excessive cold at night, and improving the quality and quantity of agricultural production. The geometry, building materials and date of planting are identical for studying the impact of the heating system on the temperature and humidity inside greenhouse, as well as their influence on the crop development. Results show that the temperature at night inside the greenhouse equipped with the rock-bed exceeds that of the control greenhouse by 2.6 degrees C. The relative humidity is found to be 10% lower at night inside the heated greenhouse. This improvement in the microclimate during night has a very positive impact on the quality of fruit and the yield increased by almost 29%.

引用

页码：42 / 50

页数：9

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