FARKLI SERA KONSTRUKSiYONLARININ SERA ORTAM KOSULLARINA VE lSI EKONOMISINE ETKILERININ ARASTIRILMASI

THE EFFECT ON GREENHOUSE AIR CONDITIONS AND HEATING ECONOMY OF DIFFERENT GREENHOUSE DESIGNS

Özet

Gunurnuzdc, seracihgm ekonomik olarak yaprlmasnu engelleyen en buyuk etken rsitmagiderlerinin yuksek olrnasrdir., lsitma giderleri, toplam sera giderleri icinde en yuksek payasahiptir. Bu arasnrmada, isitma giderlerinin azalulmasi arnaciyla her birisi 36 m2 olan; birisisabit, digerleri de hacmi %10 orarunda kucultulrnus sabit sera, hacmi %20 oranmdakucultulmus sabit sera ve hacmi %30 oranina kadar kuculebilen hacim kontrollU-hareketliseralar kurulrnustur. Calisrnada tasanrm yaprlrrns bu seralardaki hacim degisirninin; sera icisicakhgma, sera ici bagil nemine ve yakit ekonomisine etkisi arasunlrmstir.iki ayn donemde yapilan denerneler sonucunda; sera hacmi kuculdukce, sera ici ortalarnastcakhgrrn artnrdigi, ortalama bagrl nernin ise azaldrgi belirlenrnistir. Sabit seraya gore, %30oranmda hacim kucultmeli sera icin bll oranlarm, sirasiyla %9 ve %12 oldugu, bununsonucunda ise bu serada %24 oranmda lSI ekonornisinin saglandigi ortaya konmustur.

Abstract

Currently, high heating cost in greenhouses is a main drawback for their widely use.The heating cost has the highest percentage of the total production cost. In thisresearch, in order to reduce the heating cost four greenhouses which are 36 m2 wereconstructed. One of these greenhouses had a fixed volume while the others werereduced by 10%, 20% and 30% (variable vertically). The effect of variable volumeon the temperature, relative humidity and fuel economy in the greenhouse wasinvestigated.Two different experiment periods showed that volume control affected temperature,relative humidity and fuel need in the greenhouses. In the greenhouse reducedvolume 30%, temperature increased 9%, relative humidity reduced %12 and fuelneed reduced 24% according to traditional greenhouse.