Spatiotemporal investigation of evaporative cooling options for greenhouse air-conditioning application in Pakistan

Shazia Noor, Hadeed Ashraf, Ghulam Hussain, Muhammad Sultan, Takahiko Miyazaki, Aamir Shakoor, Muhammad H. Mahmood, Mahmood Riaz

研究成果: Contribution to journalArticle査読

1 被引用数 (Scopus)

抄録

This study explores evaporative cooling options for greenhouse air-conditioning for the climatic conditions of Multan (Pakistan). Greenhouse requires temperature and humidity control unit to optimize the environment inside the greenhouse for plants. In this regard, three low-cost lab-scale experimental evaporative cooling (EC) systems (i.e. direct EC (DEC), indirect EC (IEC), and Maisotsenko cycle EC (MEC)) were developed. The thermodynamic performance of the developed systems was analyzed from the viewpoints of the temperature gradient, relative humidity, vapor pressure deficit, and wet bulb, and dew point effectiveness. The MEC, DEC, and IEC systems created a temperature gradient of 18-21°C, 20-28°C, 27-31°C at ambient temperature 28-40°C for 15th May for the climatic conditions of Multan. The spatiotemporal evaluation of temperature, relative humidity, and vapor pressure deficit (VPD) revealed that plain areas of Pakistan including Punjab province received severe temperature peaks. Whereas relative humidity peaked in monsoon season across the plain areas. Whereas for VPD, plain areas of Pakistan faced severe peaks in the summer months which can be optimized using the MEC system for greenhouse air-conditioning. Thus, the results conclude the MEC system as an optimum air-conditioning option for greenhouse air-conditioning.

本文言語英語
ページ(範囲)2858-2870
ページ数13
ジャーナルFresenius Environmental Bulletin
30
3
出版ステータス出版済み - 3 2021

All Science Journal Classification (ASJC) codes

  • 環境化学
  • 廃棄物管理と処理
  • 汚染

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