Performance Evaluation of a Solar Assisted Dual Condenser Heat Pump System for Drying of Pandan Leaves (Pandanus Amaryllifolius)

Abdullah, Rohaimi and Ibrahim, Adnan and Ishak, Muhammad Amir Aziat Bin and Sopian, Kamaruzzaman and Jarimi, Hasila and Razali, Halim and Abusaibaa, Ghaith (2025) Performance Evaluation of a Solar Assisted Dual Condenser Heat Pump System for Drying of Pandan Leaves (Pandanus Amaryllifolius). Jurnal Kejuruteraan, 37 (1). 349 – 368. ISSN 01280198

Full text not available from this repository.
Official URL: https://www.scopus.com/inward/record.uri?eid=2-s2....

Abstract

The solar-assisted heat pump drying (SAHPD) system uniquely incorporates solar-heating refrigerant through hot water from solar evacuated tubes, offering distinct advantages. This study analyzed three experimental setups: a heat pump dryer (HPD) without solar assistance, SAHPD configuration 1 (C1-SAHPD) with solar-heated refrigerant at the discharge line, and SAHPD configuration 2 (C2-SAHPD) with solar-heated refrigerant between condensers, both for performance and economic viability. The experiments maintained consistent parameters, including 5.5 kg of Pandan leaf (Pandanus amaryllifolius), an airflow rate of 0.135 kg/s, and a refrigerant operating pressure of 9.65 bar. The SAHPDs operated when the hot water temperature in the storage tank reached between 70°C and 90°C, with a daily average radiation intensity ranging from 0.670 to 1.102 kW/m2 for heating the water. The study revealed average coefficients of performance (COPavg) of 5.34, 5.43, and 6.53 for HPD, C1-SAHPD, and C2-SAHPD, respectively. The specific moisture extraction rate (SMER) for HPD was 2.64, while C1-SAHPD and C2-SAHPD had SMERs of 1.88 and 2.71 at solar fractions of 0.34 and 0.45, respectively. Notably, C2-SAHPD reduced electricity consumption by 46. The payback period for drying 11 kg of Pandan leaves per day was 4.56 months for HPD, 4.32 months for C1-SAHPD, and 3.84 months for C2-SAHPD. The study concluded that C2-SAHPD was the most efficient dryer system for Pandan leaves based on its higher efficiency, SMER, and cost recovery. Additionally, the performance optimization presented in this study contributed to developing a novel technique for classifying dryer technologies. © 2025, National University of Malaysia. All rights reserved.

Item Type: Article
Impact Factor: Cited by: 0
Depositing User: Mr Ahmad Suhairi Mohamed Lazim
Date Deposited: 08 Jul 2025 16:36
Last Modified: 08 Jul 2025 16:36
URI: http://scholars.utp.edu.my/id/eprint/38924

Actions (login required)

View Item
View Item