Journals / Çukurova Üniversitesi Mühendislik Fakültesi dergisi / 2022 / Cilt: 37 - Sayı: 2

Investigating the Effect of Sea Water and Air Flow Rate Ratio on the Performance of a Desalination System with Ground Heat Exchanger

Deniz Suyu ve Hava Debi Oranının Toprak Isı Değiştiricili Bir Damıtma Sistemi Performansına Etkisinin İncelenmesi

Pages
429–438
Publication Date
2022-10-12
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

It has been seen from the results that the most irreversibility in the system occurs in the solar collectors, the exergy efficiency of the system varies between 5% and 22% according to different configurations and exergy efficiency of the system decreased for all configurations with increasing MR.

📌 3 Key Takeaways

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Objective & Hypothesis:In this study, solar energy and ground heat exchanger assisted desalination (distillation) system working with the principle of humidification-dehumidification (HDH) was considered and analyzes were made according to the II.
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Key Findings & Data:The air with increased humidity and temperature is send to the dehumidifier, and then moisture inside the air condense with water cooled by a ground heat exchanger to obtain distilled (clean) water.
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Conclusion & Impact:It has been seen from the results that the most irreversibility in the system occurs in the solar collectors, the exergy efficiency of the system varies between 5% and 22% according to different configurations and exergy efficiency of the system decreased for all configurations with increasing MR.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Damıtma · Toprak ısı değiştiricisi · Güneş enerjisi

Abstract

In this study, solar energy and ground heat exchanger assisted desalination (distillation) system working with the principle of humidification-dehumidification (HDH) was considered and analyzes were made according to the II. Law of Thermodynamics (Exergy analysis). In the system, sea water is first heated using solar collectors and then used in the humidifier to humidify the air taken from the outside. The air with increased humidity and temperature is send to the dehumidifier, and then moisture inside the air condense with water cooled by a ground heat exchanger to obtain distilled (clean) water. In the study, the performance of the system was evaluated for different configurations and operating at different seawater and air flow rate ratios (MR). It has been seen from the results that the most irreversibility in the system occurs in the solar collectors, the exergy efficiency of the system varies between 5% and 22% according to different configurations and exergy efficiency of the system decreased for all configurations with increasing MR.

Özet

Bu çalışmada, nemlendirme-nem alma (NNA) teknolojisi çalışma prensibine dayalı güneş enerji destekli ve toprak ısı değiştiricili bir damıtma sistemi ele alınarak sistemin Termodinamiğin II. Yasasına göre analizleri (Ekserji analizi) yapılmıştır. Sistemde, deniz suyu önce güneş kolektörleri kullanılarak ısıtılmakta ve daha sonra nemlendiricide, dış ortamdan alınan havanın nemlendirilmesinde kullanılmaktadır. Nemi ve sıcaklığı yükselmiş olan hava, nem alıcıya gönderilerek, toprak ısı değiştiricisiyle soğutulan suyla yoğuşturularak damıtılmış (temiz) su elde edilmektedir. Çalışmada, sistemin farklı deniz suyu ve hava debi oranında (MR) çalışma durumu farklı konfigürasyonlar için değerlendirilmiştir. Elde edilen sonuçlardan, sistemde en fazla tersinmezliğin güneş kolektörlerinde meydana geldiği, sistemin ekserji veriminin farklı konfigürasyonlara göre %5 ile %22 arasında değiştiği ve MR’nin artması ile sistemin ekserji veriminin tüm konfigürasyonlar için azaldığı görülmüştür.

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Cite This Article

HÜRDOĞAN, E., GÜNEŞ, A., KARA, O. (2022). Investigating the Effect of Sea Water and Air Flow Rate Ratio on the Performance of a Desalination System with Ground Heat Exchanger. Çukurova Üniversitesi Mühendislik Fakültesi dergisi, Cilt: 37 - Sayı: 2, 429–438. https://ajindex.com/articles/485053

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