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Dr. Melih YILDIZ
Girne University

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Research Keywords & Expertise

0 Aeronautical Engineering
0 Hybrid Electric Propulsion
0 climate change
0 Sustainable Aviation
0 Battery systems

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Journal article
Published: 17 May 2021 in Sustainability
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Autonomous Vehicles (AVs) represent an emerging and disruptive technology that provides a great opportunity for future transport not only to have a positive social and environmental impact but also traffic safety. AV use in daily life has been extensively studied in the literature in various dimensions, however; it is time for AVs to go further which is another technological aspect of communication. Vehicle-to-Vehicle (V2V) technology is an emerging issue that is expected to be a mutual part of AVs and transportation safety in the near future. V2V is widely discussed by its deployment possibilities not only by means of communication, even to be used as an energy transfer medium. ZalaZONE Proving Ground is a 265-hectare high-tech test track for conventional, electric as well as connected, assisted, and automated vehicles. This paper investigates the use of drones for tracking the cars on the test track. The drones are planned to work as an uplink for the data collected by the onboard sensors of the car. The car is expected to communicate with the drone which is flying in coordination. For the communication 868 MHz is selected to be used between the car and the drone. The test is performed to simulate different flight altitudes of drones. The signal strength of the communication is analyzed, and a model is developed which can be used for the future planning of the test track applications.

ACS Style

Melih Yildiz; Burcu Bilgiç; Utku Kale; Dániel Rohács. Experimental Investigation of Communication Performance of Drones Used for Autonomous Car Track Tests. Sustainability 2021, 13, 5602 .

AMA Style

Melih Yildiz, Burcu Bilgiç, Utku Kale, Dániel Rohács. Experimental Investigation of Communication Performance of Drones Used for Autonomous Car Track Tests. Sustainability. 2021; 13 (10):5602.

Chicago/Turabian Style

Melih Yildiz; Burcu Bilgiç; Utku Kale; Dániel Rohács. 2021. "Experimental Investigation of Communication Performance of Drones Used for Autonomous Car Track Tests." Sustainability 13, no. 10: 5602.

Chapter
Published: 09 November 2017 in Advances in Sustainable Aviation
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Technological aspects and market-wise applications of electric-powered UAVs are emerging. UAVs proved to be a candidate to be an indispensable tool in our life. In this chapter, applications and future trends of UAVs are discussed. Electric propulsion of UAVs seems to be a key enabler for the most of the applications. It can be concluded that the more autonomous and lighter the UAV is, the more electric power is preferred.

ACS Style

Melih Yildiz; T. Hikmet Karakoç. Advantages and Future of Electric Propulsion in UAVs. Advances in Sustainable Aviation 2017, 237 -241.

AMA Style

Melih Yildiz, T. Hikmet Karakoç. Advantages and Future of Electric Propulsion in UAVs. Advances in Sustainable Aviation. 2017; ():237-241.

Chicago/Turabian Style

Melih Yildiz; T. Hikmet Karakoç. 2017. "Advantages and Future of Electric Propulsion in UAVs." Advances in Sustainable Aviation , no. : 237-241.

Journal article
Published: 15 March 2017 in Sürdürülebilir Havacılık Araştırmaları Dergisi
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ACS Style

Melih Yildiz; T. Hikmet Karakoç. Havacılıkta Kullanılan Bataryaların Tasarım Parametrelerine Göre Boyutlandırılması. Sürdürülebilir Havacılık Araştırmaları Dergisi 2017, 2, 27 -37.

AMA Style

Melih Yildiz, T. Hikmet Karakoç. Havacılıkta Kullanılan Bataryaların Tasarım Parametrelerine Göre Boyutlandırılması. Sürdürülebilir Havacılık Araştırmaları Dergisi. 2017; 2 (1):27-37.

Chicago/Turabian Style

Melih Yildiz; T. Hikmet Karakoç. 2017. "Havacılıkta Kullanılan Bataryaların Tasarım Parametrelerine Göre Boyutlandırılması." Sürdürülebilir Havacılık Araştırmaları Dergisi 2, no. 1: 27-37.

Journal article
Published: 17 March 2016 in International Communications in Heat and Mass Transfer
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This paper deals with the thermal modeling of temperature rise in a pouch lithium-ion battery with LiFePO4 (also known as LFP) cathode material. The developed model represents the main thermal phenomena in the cell in terms of temperature change. The proposed model is validated with the collected experimental data from a module composed of 11 cells. In the conducted experiments, the different charge and discharge rates of 1/2C, 1C, 2C and 2.5C are applied. It is seen that, the increased discharge rates result in increased temperature on the surface of the battery. When the discharge rate is doubled, from 1C to 2C, cell temperatures have risen by 3.5 times. A simplified model for determining the heat generation is developed and validated with the test results.

ACS Style

Melih Yildiz; H. Karakoc; I. Dincer. Modeling and validation of temperature changes in a pouch lithium-ion battery at various discharge rates. International Communications in Heat and Mass Transfer 2016, 75, 311 -314.

AMA Style

Melih Yildiz, H. Karakoc, I. Dincer. Modeling and validation of temperature changes in a pouch lithium-ion battery at various discharge rates. International Communications in Heat and Mass Transfer. 2016; 75 ():311-314.

Chicago/Turabian Style

Melih Yildiz; H. Karakoc; I. Dincer. 2016. "Modeling and validation of temperature changes in a pouch lithium-ion battery at various discharge rates." International Communications in Heat and Mass Transfer 75, no. : 311-314.