The development of tubular photobioreactor for microalgae cultivation

Name: Varit Kunopagarnwong

LCSH: Kasetsart University -- Dissertations. Ph.D. (Chemical Engineering) 2020

Classification :.LCCS: TP248.25.B55

LCSH: Kasetsart University. -- Department of Chemical Engineering -- Theses

LCSH: Photobioreactors

LCSH: Microalgae

Abstract: A tubular photobioreactor is currently used, which is useful in cultivating large quantities of algae. However, there are obscure one another (Self-shading) leading to the microalgae at the bottom of the tube get less light than the algae above. The objective of this research was to design and develop Tubular Photobioreactor 93.5 liters for microalgae cultivation. The experiment is divided into two steps. The first step was designing the solar receiver by inserting the fin into each wall of the tube as follows: 12-34, 1-2-3-4, 1234, and 13-24. Then, FLUENT software was used to simulate flow behavior inside the tube by Computational Fluid Dynamics (CFD) by observing the pressure drop, the amount of energy consumption, and the swirling velocity to select the best fin type. In the next step, choose the best fin-type to insert the growth rate equation into the FLUENT software by using the User Defined Function (UDF) technique, which compares a Tubular Photobioreactor between with and without fin by observing the amount of biomass production. The results showed that at the inlet velocity of algae is 0.15 meters per second, the tubes with fin-type 13-24 were the best. When simulating the growth behavior of microalgae showed that the tubes without fins had lower biomass content than the 13-24 fin-type, which were 0.675 and 0.806 grams per liter, respectively, because the 13-24 fin-type will make well microalgae distribution leading to increase the light distribution too. Tubular Photobioreactor fins type 13-24 had more biomass production up to 19.4 percent.

Kasetsart University. Office of the University Library

Address: Bangkok

Email: tdckulib@ku.ac.th

Name: Thongchai Rohitatisha Srinophakun

Role: Thesis Advisor

Name: Supacharee Roddecha

Role: Thesis CO-Advisor

Created: 2020

Modified: 2025-06-30

Issued: 2025-06-30

วิทยานิพนธ์/Thesis

application/pdf

URL: https://www.lib.ku.ac.th/KUthesis/2563/varit-kun-all.pdf

CallNumber: TP248.25.B55 .V32

eng

DegreeName: Doctor of Philosophy

Level: Doctoral Degraee

Descipline: Chemical Engineering

Grantor: Kasetsart University

©copyrights Kasetsart University

ลำดับที่.	ชื่อแฟ้มข้อมูล	ขนาดแฟ้มข้อมูล	จำนวนเข้าถึง	วัน-เวลาเข้าถึงล่าสุด
1	varit-kun-all.pdf	4.23 MB

ใช้เวลา

0.028863 วินาที