Observed performances of the hybrid solar-biomass dryer for fish drying

Abstract

This experiment aimed to configure the performances of hybrid dryer operated with solar and biomass energies for fish drying. The dryer consisted of a structure made of light steel frame and covered with UV plastic 12% equipped with drying chamber, a chimney, a heat collector, a furnace, and a heat exchanger. The biomass was coconut shell and the sample of fish was Pepetak Leiognatus spp. Operating with solar energy and without fish inside the dryer increased the temperature and relative humidity of the drying chamber respectively 13.4°C higher and 37.6% lower than those of the ambient air. When the dryer without fish was biomass operated using 3 kg fuel of the first supply and 1.5 kg fuel of subsequent supplies per 20 minutes, it was able to generate the drying chamber temperature and relative humidity about 60°C and nearly 0% in averages. Utilizing 20% fish moisture content as the threshold for dry fish, operating with solar energy, the dryer completed drying process in 20.47 h which was faster that of the sun drying (24.20 hours). The dryer needed to finish drying processes in 14.37 h and 15.43 h when operated by respectively biomass energy and solar energy continued with biomass energy. The rate of fuel supply for fish drying was 0.633 kg coconut shell per kg wet fish.

A Review of Dehydration Techniques of Greenhouse

“…This observation is conducted to find the best drying method in order to get the maximum dehydration rate based on the open sun, passive, active mixed flow and active crosses flow. Hybrid solar-biomass dryer is introduced to counter the problem related to bad weather which can affect the end products of the drying products (Yuwana et al, 2020). The dryer is in chamber shape to achieve tier rack that can distribute heat efficiently inside the dryer.…”

“…Figure 5: Hybrid Solar-Biomass Dryer (Yuwana et al, 2020) Simulation of different shapes of the greenhouse is conducted to find the airflow of thermal distribution inside the greenhouse for dehydration purposes (Villagran et al, 2021). Figure 6 illustrate the different types of roof used in this observation while Figure 7 presented the airflow of thermal distribution inside the greenhouse with a different type of roof.…”

Characterising Thermal Behaviour of Smart Greenhouse Based on the Dehydration Performance

“…Traditionally, the sun drying technique is used since it is theoretically extremely simple, involving leaving the seafood goods in an open place. Naturally, there are benefits and drawbacks to this strategy, which mostly involves the temperature and weather (Yuwana et al, 2020). As a result, drying technology for greenhouses was developed, which may overcome most of the difficulties through a protected and regulated habitat.…”

Effect of drying method and bad thickness on physical, chemical, and organoleptic quality of dry herbal Moringa (Moringa oleifera) leaves

“…Drying can be done by various methods such as traditional drying that utilizes direct sunlight and artificial dryer such as an oven. Drying using an oven has the advantage of a controllable drying temperature [4], but it is capital-intensive. Sun drying is the most practical drying for almost all commodities.…”