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Kraisorn Sangdech.. Simulation and design of the water-nutrient delivery system in a greenhouse. Master's Degree(Mechanical Engineering Simulation and Design (International Program)). King Mongkut's University of Technology North Bangkok. Central Library. : King Mongkut's University of Technology North Bangkok, 2011.
Simulation and design of the water-nutrient delivery system in a greenhouse
การจำลองและการออกแบบระบบลำเลียงน้ำและสารอาหารในโรงเรือนปลูกผัก
Name: Kraisorn Sangdech.
keyword:
Aeration.
LCSH:
Venturi tubes.
LCSH:
Greenhouses.
Abstract:
These days there is a need for vegetables that originally grow in low temperature climate to be planted in Thailand. However, the temperature and humidity in Thailand are relatively high and hence not suitable for these vegetables. Therefore, a greenhouse is adopted as a climate-conditioning domain and a water- nutrient delivery system is used to supply water and nutrient to the vegetables. The dissolved oxygen content in water is an important parameter for growing plants. The Venturi tube is used for aeration in the water-nutrient delivery system. The Venturi tube becomes popular because it does not require external energy to operate. It does not have any moving part, which increases its usable life time and reduces the probability of failure. Therefore, the objective of this study is to find out the most suitable configuration for the Venturi tube to be used in the water-nutrient delivery system in the greenhouse. For the analysis, computational fluid dynamics (CFD) is used to simulate the physical phenomena inside the Venturi tube in order to find the most suitable configuration. The simulation shows the effect of the Venturi tube configuration to air volume flow rate of the Venturi tube. The best Venturi tube geometry in this study has four air holes in the diverging zone located 25 mm from the center of the throat with the air hole angle of 60 degrees with respect to the vertical line.
King Mongkut's University of Technology North Bangkok. Central Library
Address:
BANGKOK
Email:
library@kmutnb.ac.th
Name: Ekachai Juntasaro
Role:
Thesis advisors.
Email :
ekachai.j@tggs.kmutnb.ac.th
Created:
2011
Modified:
2021-03-22
Issued:
2021-03-22
วิทยานิพนธ์/Thesis
application/pdf
eng
DegreeName: Master of science
Level: Master's Degree
©copyrights King Mongkut's University of Technology North Bangkok
RightsAccess:
ใช้เวลา
0.035879 วินาที
Kraisorn Sangdech.
| Title | Contributor | Type |
|---|---|---|
| Simulation and design of the water-nutrient delivery system in a greenhouse
มหาวิทยาลัยเทคโนโลยีพระจอมเกล้าพระนครเหนือ Kraisorn Sangdech. | Ekachai Juntasaro | วิทยานิพนธ์/Thesis |
Ekachai Juntasaro