...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...

... are complementing conventional sources of energy; nonetheless, low efficiency of these devices comes in the way of wide applicability of these solar-based devices. One of the versatile solar-based devices is solar air heater (SAH), which is used for crop drying [ 3 ], space heating [ 4 , 5 ], and laundry drying [ 6...

...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...

... Preservation: Thermophysics of Crops, Systems and Components ,” Sol. Energy , 154 , pp. 2 – 13 . 10.1016/j.solener.2017.05.066 [5] Seerangurayar , T. , Al-Ismaili , A. M. , Jeewantha , L. J. , and Al-Habsi , N. A. , 2019 , “ Effect of Solar Drying Methods on Color Kinetics...

...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...

... 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...

... of an Indirect-Mode Forced Convection Solar Dryer for Drying Thymus and Mint ,” Energy Convers. Manage. , 74 , pp. 109 – 116 . 10.1016/j.enconman.2013.05.006 [2] El-Sebaii , A. A. , and Shalaby , S. M. , 2017 , “ Experimental Investigation of Drying Thymus Cut Leaves in Indirect Solar Dryer...

...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...

... distribution of the circulated fluids. Ambient air passes a filter and it is then supplied to the absorber. The air humidity ratio is derived from the measured air dry-bulb temperature and relative humidity by applying humid air equations given by ASHRAE Handbook of Fundamentals [ 24 ]. Inadequate...

...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...

... of the temperature and the specific humidity of the airflow along the drying chamber is presented. Based on the results, some simplifications are proposed and justified in order to calculate the maximum evaporation rate as a function of a reduced number of parameters, to study their effect. The results show...

... to air conditioning or drying processes. The experimental results are also compared to a one-dimensional simulation code of a packed tower: a fair agreement was found between experimental and calculated performance. Contributed by the Solar Energy Division of THE AMERICAN SOCIETY OF MECHANICAL...