Enhancing the Performance of an Active Greenhouse Dryer by Using Copper Oxide and Zinc Oxide Nano-Enhanced Absorber Coating

EasyChair Preprint no. 7548

Abstract

In this work, the effect of applying nano-enhanced absorber coating on the absorber bottom plate of an active greenhouse dryer has been investigated experimentally. In the first step of the study, three different greenhouse dryer geometries including an uneven-span, parabolic and modified parabolic types have been tested. Parabolic greenhouse drying system gave the best thermal and drying performance. In the second step of the work, three parabolic greenhouse dryer with same dimensions have been manufactured. First parabolic greenhouse dryer was designed as conventional type. Zinc oxide (ZnO) and copper oxide (CuO) nanoparticle-enhanced black paints have been applied to the second and third parabolic dryers, respectively. According to the obtained findings, utilizing ZnO and CuO-embedded absorber coating materials in parabolic greenhouse dryers decreased drying time as 7.14% and 21.42% minutes, respectively in comparison to the conventional parabolic dryer. Also, specific moisture extraction rate values were attained in range of 0.57-0.94 kg/kWh.

Keyphrases: Black paint, CuO, Greenhouse dryer, Nanoparticles, ZnO

@Booklet{EasyChair:7548,
  author = {Ceylin Şirin and Fatih Selimefendigil and Hakan F. Öztop},
  title = {Enhancing the Performance of an Active Greenhouse Dryer by Using Copper Oxide and Zinc Oxide Nano-Enhanced Absorber Coating},
  howpublished = {EasyChair Preprint no. 7548},

  year = {EasyChair, 2022}}