**Author details**

Jong‐Taek Oh\*1 , Nguyen Ba Chien<sup>2</sup> , Kwang‐Il Choi1 and Pham Quang Vu<sup>2</sup>

\*Address all correspondence to: ohjt@chonnam.ac.kr

1 Department of Refrigeration and Air‐Conditioning, Chonnam National University, Yeosu, Chonnam, South Korea

2 Graduate School, Chonnam National University, Yeosu, Chonnam, South Korea
