Herbs drying using a heat pump dryer

Fatouh, M.; Metwally, M.N.; Helali, Ali; Shedid, Mohamed H.

doi:10.1016/j.enconman.2005.10.022

Cited by 119 publications

(49 citation statements)

References 13 publications

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“…They modified 7 kW R-22 air conditioning units and combined with a solar collector in their equipment, for a more precise control of temperature and humidity. Fatouh et al (2006) designed and constructed a heat pump assisted dryer to investigate the drying characteristics of various herbs.…”

Section: Type Of Heat Pump Assisted Dryingmentioning

confidence: 99%

Heat pump assisted drying of agricultural produce—an overview

Patel

Kar

2011

J Food Sci Technol

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This review paper included the recent progress made in heat pump assisted drying, its principle, mechanism and efficiency, type and its application for drying of agricultural produce. Heat pump assisted drying provides a controllable drying environment (temperature and humidity) for better products quality at low energy consumption. It has remarkable future prospects and revolutionaries ability. The heat pump system consists of an expansion valve, two heat exchangers (evaporator and condenser), and a compressor, which are connected by using copper tubes. In this paper we also provided a review discussion on different type of heat pump assisted drying system ready for remarkable and commercial use in different type of food industries. Here we also have given some major advantage and disadvantage of heat pump assisted drying.

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Section: Type Of Heat Pump Assisted Dryingmentioning

confidence: 99%

Heat pump assisted drying of agricultural produce—an overview

Patel

Kar

2011

J Food Sci Technol

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“…Further, their ability to produce well-controlled drying conditions is particularly important to drying high-valued quality products [1]. Therefore, many studies focused on the food drying applications of HPs [2][3][4][5][6][7][8][9][10]. HPs are divided into many categories according to the energy source, namely electric-driven HPs (EHPs), chemical HPs, ground source HPs, geothermal energy HPs, solar-energy-assisted HPs, and gas-engine-driven HPs (GEHPs) [11].…”

Section: Introductionmentioning

confidence: 99%

Advanced exergoeconomic analysis of a gas engine heat pump (GEHP) for food drying processes

Gungor

Tsatsaronis

Günerhan

et al. 2015

Energy Conversion and Management

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“…Phani and Greg tested re-circulating heat pump-assisted continuous bed drying [5]. There are a lot of studies about heat pump drying systems for the development of dried product quality and energy efficiency [6][7][8].…”

Section: Introductionmentioning

confidence: 99%

Energy analysis of hazelnut drying system-assisted heat pump

Ceylan

Aktaş

2008

Int. J. Energy Res.

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SUMMARYIn this experimental study, a proportional integral derivative (PID) controlled heat pump dryer was designed and manufactured. Heat pump dryer was tested drying of hazelnut and energy analyses were made. Drying air temperatures were changed as 50; 45 and 408C in the drying system. Drying air velocities were changed as 0:25 m s À1 for 508C; 0:32 m s À1 for 458C and 0:38 m s À1 for 408C: Heating coefficient of performance of whole system ðCOP ws Þ of the heat pump dryer was calculated as 1.70 for 508C; 1.58 for 458C and 1.40 for 408C drying air temperatures. Energy utilization ratio changed between 24 and 65% for 508C; 17 and 63% for 458C and 14 and 43% for 408C drying air temperatures in the heat pump dryer.

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Herbs drying using a heat pump dryer

Cited by 119 publications

References 13 publications

Heat pump assisted drying of agricultural produce—an overview

Heat pump assisted drying of agricultural produce—an overview

Advanced exergoeconomic analysis of a gas engine heat pump (GEHP) for food drying processes

Energy analysis of hazelnut drying system-assisted heat pump

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