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Iida, Kenichi. Evaluation of sap flow rates in tomato by stem heat balance method using infrared thermography. (). King Mongkut's University of Technology North Bangkok. Central Library. : , 2024.
Evaluation of sap flow rates in tomato by stem heat balance method using infrared thermography
Name: Nishimae, Taro
Organization :
Nara college. National Institute of Technology
Name: Fukuoka, Hiroshi
Organization :
Nara college. National Institute of Technology
Email :
fukuoka@mech.nara-k.ac.jp
Name: Suda, Atsushi
Organization :
Nara college. National Institute of Technology
Name: Iida, Kenichi
Organization :
Nara college. National Institute of Technology
keyword:
Sap flow rate
LCSH:
Herbaceous plant
Abstract:
Quantifying plant growth conditions is essential for plant growth management. A sap flow is one of the most effective indicators of plant growth conditions. A Stem Heat Balance (SHB) method is used to measure the sap flow. The SHB method is a non-destructive method for measuring a sap flow rate by calculating a heat balance from the surface temperature of a heated stem. A previous study confirmed that a temperature measurement position significantly influences the accuracy of a sap flow calculation in the SHB method. However, finding an optimum temperature measurement position with conventional discrete temperature measurement using thermocouples is difficult. As a solution, we propose measuring temperature using infrared thermography. This study aims to establish the SHB method using infrared thermography. In this report, we confirm the influence of the temperature measurement position on the accuracy of the sap flow calculation. We experimented in a laboratory to evaluate the accuracy of our method. We used hydroponically grown tomatoes as an experimental target. The sap flow rates were evaluated by measuring transpiration rates using a weighing method. The transpiration rate was varied by changing the irradiation time of an artificial light source (LED), which was used to simulate sunlight. As a result, the accuracy of the sap flow calculation converged at positions away from the heater. It was also found that the temperature measurement position close to the heater was unsuitable for calculating the sap flow rate
King Mongkut's University of Technology North Bangkok. Central Library
Address:
BANGKOK
Email:
library@kmutnb.ac.th
Created:
2024
Modified:
2024-12-18
Issued:
2024-12-18
บทความ/Article
application/pdf
BibliograpyCitation :
In Thai Society of Mechanical Engineers (TSME) and Chiang Mai University. The 13th TSME International Conference on Mechanical Engineering (TSME-ICoME 2023) (pp.792-799). Chiang Mai : Chiang Mai University, 2023
eng
©copyrights King Mongkut's University of Technology North Bangkok
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Nishimae, Taro
| Title | Contributor | Type |
|---|---|---|
| Evaluation of sap flow rates in tomato by stem heat balance method using infrared thermography
มหาวิทยาลัยเทคโนโลยีพระจอมเกล้าพระนครเหนือ Nishimae, Taro;Fukuoka, Hiroshi;Suda, Atsushi;Iida, Kenichi | บทความ/Article |
Fukuoka, Hiroshi
| Title | Contributor | Type |
|---|---|---|
| Study on collision processes of opposing unsteady supersonic jets and shock waves
มหาวิทยาลัยเทคโนโลยีพระจอมเกล้าพระนครเหนือ Murakishi, Takayuki;Fukuoka, Hiroshi | บทความ/Article | |
| Effect of open elliptical reflector shape on pressure gradient during shock wave focusing
มหาวิทยาลัยเทคโนโลยีพระจอมเกล้าพระนครเหนือ Taniguchi, Masaya;Nitta, Tetsuro;Fukuoka, Hiroshi;Suda, Atsushi;Hiro, Kazuki;Nakagawa, Keiichi | บทความ/Article | |
| Evaluation of sap flow rates in tomato by stem heat balance method using infrared thermography
มหาวิทยาลัยเทคโนโลยีพระจอมเกล้าพระนครเหนือ Nishimae, Taro;Fukuoka, Hiroshi;Suda, Atsushi;Iida, Kenichi | บทความ/Article | |
| Mechanical characteristics of additive manufactured viscoelastic lattice structures
มหาวิทยาลัยเทคโนโลยีพระจอมเกล้าพระนครเหนือ Kawasaki, Kotaro;Suda, Atsushi;Fukuoka, Hiroshi;Taniguchi, Yukinori | บทความ/Article |
Suda, Atsushi
| Title | Contributor | Type |
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มหาวิทยาลัยเทคโนโลยีพระจอมเกล้าพระนครเหนือ Higa, Yoshikazu;Iyama , Hirofumi;Shimojima, Ken;Yasuda, Atsushi ;Higa, Osamu ;Takemoto, Ayumi;Itoh, Shigeru | บทความ/Article | |
| Effect of open elliptical reflector shape on pressure gradient during shock wave focusing
มหาวิทยาลัยเทคโนโลยีพระจอมเกล้าพระนครเหนือ Taniguchi, Masaya;Nitta, Tetsuro;Fukuoka, Hiroshi;Suda, Atsushi;Hiro, Kazuki;Nakagawa, Keiichi | บทความ/Article | |
| Evaluation of sap flow rates in tomato by stem heat balance method using infrared thermography
มหาวิทยาลัยเทคโนโลยีพระจอมเกล้าพระนครเหนือ Nishimae, Taro;Fukuoka, Hiroshi;Suda, Atsushi;Iida, Kenichi | บทความ/Article | |
| Mechanical characteristics of additive manufactured viscoelastic lattice structures
มหาวิทยาลัยเทคโนโลยีพระจอมเกล้าพระนครเหนือ Kawasaki, Kotaro;Suda, Atsushi;Fukuoka, Hiroshi;Taniguchi, Yukinori | บทความ/Article |
Iida, Kenichi
| Title | Contributor | Type |
|---|---|---|
| Evaluation of sap flow rates in tomato by stem heat balance method using infrared thermography
มหาวิทยาลัยเทคโนโลยีพระจอมเกล้าพระนครเหนือ Nishimae, Taro;Fukuoka, Hiroshi;Suda, Atsushi;Iida, Kenichi | บทความ/Article |