... 2025 solar air heater energy efficiency exergy efficiency perforated rib semi-conical rib absorber plate collector drying heat transfer Solar air heaters (SAHs) play a significant role in numerous low-temperature energy applications, including space heating, agricultural product...

... ncluding W ind E nergy and B uilding E nergy C onservation . 18 07 2024 08 10 2024 08 10 2024 30 10 2024 solar air heater roughness friction factor thermal enhancement factor exergy analysis absorber collector drying efficiency The daily need for energy...

..., the transformation of onions into value-added goods such as onion paste, onion powder, onion sauce, and onion oil has emerged as a possible option. The objective of this project is to create a smart solar drying system based on Internet of Things (IoT) technique specifically designed for the dehydration of recently...

... airflow. A novel design configuration was constructed and tested in the eastern Algeria climate (El Oued city) for drying potatoes. We aimed to present a test of the thermal performance of the novel dryer and use only clean energy sources for evaluating the drying efficiency. Under real climatic...

...Anand Kushwah; Anil Kumar; Manoj Kumar Gaur; Amit Pal In this study, experimental works were carried out in three different drying methods named heat exchanger-evacuated tube-assisted drying system (HE-ETADS), greenhouse solar dryer (GHSD), and open sun drying (OSD) to compare thin-layer drying...

...Chandan Kumar Sethi; Saroj Kumar Acharya; Pragyan Parimita Patnaik By changing its design and materials, a solar dryer can help lower consumption and drying time. The dryer was run with a reflector-attached zigzag solar air heater thermally coated with 2% mass basis carbon nanotubes, 2% CuO, and 96...

... nergy C onservation . 11 05 2021 02 04 2022 17 04 2022 10 05 2022 channel design temperature factor thermal effectiveness sinusoidal absorber design solar air heater absorber drying efficiency energy fluid flow heat transfer heating radiation renewable...

...Akhilesh Singh; Jahar Sarkar; Rashmi Rekha Sahoo A solar-assisted heat pump (HP) dryer is fabricated for intermittent drying. The experiment is performed for different intermittency ratios for radish drying using future refrigerant, R1234yf. The effect of total drying time (on-period + off-period...

...Azeddine Fantasse; El Khadir Lakhal; Ali Idlimam; Fatiha Berroug The treatment of sludge, which is produced from raw water treatment, has been considered as an ecologically sensitive problem in terms of energy and pollution. In this context, this study presents many series of solar drying tests...

...Waseem Amjad; Muhammad Waseem; Anjum Munir; Abdul Ghafoor; Furqan Asghar; Gohar Ali Gilani Batch type food dryers are common for drying agricultural produce due to simple in design, but they are prone to nonuniform drying and significant heat cost exclusively if they fall in the medium to large...

...Gaurav Saxena; M.K. Gaur The present experimentation work discloses drying of hygroscopic crops under the new concept of solar-assisted greenhouse type dryer integrated with evacuated tube water heating system to control and maintain the temperature of the greenhouse environment according...

...Dhananjay Kumar; Laljee Prasad The use of artificial roughness is an efficient and commercial way to appreciate the thermal performance from the collector to the air in solar air heater ducts, for numerous applications such as space-heating, crop-drying, and seasoning of timber industrial purpose...

...Masnaji R. Nukulwar; Vinod B. Tungikar The objective of this study is to find an optimized thin-layer mathematical model suitable for drying kinetics of turmeric. Turmeric has a high moisture content which necessitates effective drying. A 10 kg, sample batch, of turmeric was dried in a solar dryer...

... 11 2019 02 12 2019 23 12 2019 curved shaped rib roughness rib with gap friction factor solar-assisted air heater solar thermal correlation absorber air conditioning building clean energy drying energy environment heat transfer heating renewable solar solar receiver...

... temperature) and four outputs (drying chamber temperature, the mass of moisture removed, drying rate, and dryer efficiency). Such generalized regression neural network architecture was trained, tested, and validated with real-time experimental variable data sets. The results of the GRNN model are in good...

... 10 2018 21 07 2019 31 07 2019 03 09 2019 solar air heater paraffin wax PCM finned V-corrugated clean energy collector drying heating solar Although the solar air heater (SAH) is available in many research laboratories in Egypt in the form of a prototype...

...Asim Ahmad; Om Prakash Greenhouse drying shows a significant role in the bulk level of drying. In the present setup, a greenhouse dryer operating under natural convection mode was designed and fabricated. The sensible heat storage concept was applied to the bed of the drying chamber. Four different...

... received May 27, 2018; published online October 1, 2018. Assoc. Editor: M. Keith Sharp. 28 06 2017 27 05 2018 liquid desiccant drying plate-type absorber energy storage capacity finite-difference model The integration of desiccants into drying systems achieves many benefits...

...Satyapal Yadav; V. P. Chandramohan Solar dryer with thermal energy storage device is an essential topic for food drying applications in industries. In this work, a two-dimensional (2D) numerical model is developed for the application of solar drying of agricultural products in an indirect type...

...A. A. El-Sebaii; S. M. Shalaby In this work, the indirect solar drier (IDSD) is used for drying Thymus by using four techniques. First, the whole leaves of Thymus are dried using the IDSD without using phase change material (PCM). The obtained results of this experiment show that the moisture...