Citation: | Aditya Rio Prabowo, Dandun Mahesa Prabowoputra. Investigation on Savonius turbine technology as harvesting instrument of non-fossil energy: Technical development and potential implementation[J]. Theoretical & Applied Mechanics Letters, 2020, 10(4): 262-269. doi: 10.1016/j.taml.2020.01.034 |
Environmental risk due to excessive residual emission is rising. Greenhouse effect, ice melting in the Arctic, reduction of air quality are several concerns which need immediate development and change. Energy harvesting equipment is one of the key solutions. Environment potential, e.g. water resource can be collaborated with mechanical equipment to harvest clean energy. Savonius turbine has been proposed and studied for this purpose and can be placed on several energy resources, i.e. water and wind. Still, real-world implementation of this technology is lacking, especially in tropical archipelago countries which have abundant water resources. In this work, assessment of Savonius turbine technology as instrument to harvest clean energy is conducted. A series of development on the turbine performance and technical modification is considered as reference to implement the technology in water and open air environments. It is noted that rotor design, operation depth and nozzle attachment are several key influencing factors.
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Global fossil fuel consumption since 1800 for coal, crude oil and natural gas. The graph is designed based on information in Ref. [3] (1 TW·h=1×108 kW·h).
a Data verification of Savonius turbine and b annual energy and revenue allocation. The graphs are composed based on data in Ref. [4].
a Effect of depth to turbine’s efficiency [5] and b modification results of Savonius turbine system by adding nozzle [6, 7]. MS-free means free modified Savonius rotor; MS-def. means modified Savonius rotor with deflector; MS-ver. means modified Savonius rotor with vertical ducted nozzle; MS-hor. means modified Savonius rotor with horizontal ducted nozzle.
Several rotor types deployed in previous work of Alom and Saha [9].
Savonius performance depends on distance from train. a Average generated power and b power coefficient. The graphs are composed based on data in Ref. [11].
Dependence of wind speed to generated energy of Savonius wind turbine [12].
Modification of Savonius turbine with rear deflector. Various modifications are presented in seven geometrical configurations [16].
Hybridization of Savonius turbine with Darrieus turbine by Fertahi et al. [25].