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research-article

Semi-theoretical prediction of the wetting characteristics of aqueous ionic liquid solution on an aluminum finned-tube desiccant contactor

[+] Author and Article Information
Niccolo Giannetti

Department of Applied Mechanics and Aerospace Engineering, Waseda University, 3-4-1 Okubo, Shinjuku-ku, Tokyo 169-8555, Japan
niccolo@aoni.waseda.jp

Richard Jayson Varela

Graduate School of Fundamental Science and Engineering, Waseda University, Shinjuku-ku, Tokyo, 169-8555, Japan
rjvarela_2014@fuji.waseda.jp

Hifni Mukhtar Ariyadi

Department of Applied Mechanics and Aerospace Engineering, Waseda University, 3-4-1 Okubo, Shinjuku-ku, Tokyo 169-8555, Japan
hifni.ariyadi@aoni.waseda.jp

Seiichi Yamaguchi

Department of Applied Mechanics and Aerospace Engineering, Waseda University, 3-4-1 Okubo, Shinjuku-ku, Tokyo 169-8555, Japan
sei_yamaguchi@aoni.waseda.jp

Kiyoshi Saito

Department of Applied Mechanics and Aerospace Engineering, Waseda University, 3-4-1 Okubo, Shinjuku-ku, Tokyo 169-8555, Japan
saito@waseda.jp

Xin-Ming Wang

Evonik Japan Co., Ltd., 2-3-1 Nishi-Shinjuku, Shinjuku-ku, Tokyo 163-0938, Japan
xinming.wang@evonik.com

Hiroshi Nakayama

Energy Applications R&D Center, Chubu Electric Power Co., Inc., 20-1Midori-ku, Nagoya-shi, Aichi, 459-8522, Japan
nakayama.hiroshi2@chuden.co.jp

1Corresponding author.

ASME doi:10.1115/1.4040796 History: Received March 08, 2018; Revised July 05, 2018

Abstract

This study involves exploring a new design of an internally cooled/heated desiccant contactor by using a new ionic liquid (IL) solution as the sorptive solution. In order to optimize its operative performance, a semi-theoretical model based on the principle of minimum energy is developed to predict the film rupture and wetting ability of the IL solution over a comprehensive range of IL mass fraction and flow rates. A first experimental validation of the fundamental equations of the theoretical model is presented and used as a reference to minimize deviations between predicted results and measured data by calibrating dedicated characteristic coefficients. The noteworthy quantitative and qualitative agreement in the whole range of IL mass fractions and flow rates is promising for contributing to the design of optimized system configurations and control strategies.

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