Drying Performance of Piper Nigrum in a Swirling Fluidized Bed Dryer: An Experimental Study

Roslan, N F M; Yudin, Ahmmad Shukrie Md; Sumono, Muhammad Afiq; Pozi, Muhammad Faris Mohamad; Othman, Muhammad Aidil Safuan

doi:10.37934/arfmts.93.1.148166

Cited by 3 publications

(1 citation statement)

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“…The same prototype of the Swirling Fluidized Bed, which has various parameter analyses proposed by Sreenivasan and Raghavan [4], has been continued by several researcher Batcha et al, [5], Ashri [9], Roslan et al, [14] and many more. Moreover, Ashri [9] has proposed an advanced of SFB systems which Multi-Stage SFB which has double stage of annular distributor and the distance difference for both are 350 mm.…”

Section: Air Flow Behaviourmentioning

confidence: 99%

Multi-Stage Swirling Fluidized Bed: Part 2 - The Velocity Distribution

Shabri

Nawi²,

Kasim³

et al. 2023

ARASET

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This task involved numerical analysis study to investigate the air flow distribution affected by blade distributor arrangement of Multi-Stage Swirling Fluidized Bed (SFB). The current systems is in difference with conventional fluidization systems where the current systems will impart swirling motion to the particle. This study focused on the velocity distribution on blade distributor whereby the influence of blades number (30, 45, and 60) via horizontal inclination angle (10°, 12°, and 15) through multi-stage distributor arrangements, therefore a separate velocity component would be obtained. The numerical simulation, was utilised to compute and analyse the performance outcomes of three velocity components: tangential, axial and radial velocity in an Multi-Stage SFB. From the results of the study, the fluidization systems with high blades number of 60 and blades angle of 15° has shown a significant air flow distribution at both stages. Thus, the major velocity component such as velocity magnitude and tangential velocity in the Multi-Stage SFB have shown a retention uniformity along the radius blade distributor and the air flow inside the system rise more than 40 m/s.

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Section: Air Flow Behaviourmentioning

confidence: 99%

Multi-Stage Swirling Fluidized Bed: Part 2 - The Velocity Distribution

Shabri

Nawi²,

Kasim³

et al. 2023

ARASET

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Comparison of Murraya microbiological contamination and total flavonoid content on various drying methods

Safrina,

Susanti,

Putra

et al. 2024

IOP Conf. Ser.: Earth Environ. Sci.

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Kemuning (Murraya paniculata (L.) Jack) is one of the ingredients in Herbal Medicine formulation to treat overweight. The herbal medicine raw materials used must be safe and efficacious. Improper post-harvest handling during the drying process can reduce the quality of simplicia regarding microbial contamination and chemical content. In this study, drying is carried out using several methods, namely sun drying, cabinet oven, room oven, bed dryer, and a combination of drying methods (sunlight-room oven, sunlight-cabinet oven, bed dryer-room oven, and bed dryer-cabinet oven) to determine how the drying methods affect M. paniculata simplicia’s microbial contaminations and the content of total flavonoids. The experimental trial was designed with a randomized block design and three replications. The parameters observed were microbial contamination (Total Plate Count and Total Yeast Mold Count) and the total flavonoid content of simplicia. The F test analyzed and further tested the data with orthogonal contrast using Microsoft Excel. The outcomes demonstrated that various drying techniques had highly diverse impacts on bacterial and fungal contamination of the simplicia. There was a significant difference in the total plate count of simplicia between the single drying method and the combination method. Significant differences in fungal contamination were obtained using the combination method of drying in the sunlight-room oven with the sun-cabinet oven drying. The drying process using a cabinet oven and sunlight-cabinet oven combination produced the highest total flavonoid content. However, drying using a combination method of sunlight-cabinet oven does not meet the requirements in terms of microbial contamination. Drying using the cabinet oven method produces the best quality simplicia regarding safety and efficacy.

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Feasibility of Horizontal-Aligned Used Oil Drum as Simple Material for Drying Chamber in Heat Pump Dryer by Computational Fluid Dynamics Method

Biksono,

Nelwan,

Sari

et al. 2024

J. Adv. Res. Numer. Heat Trans.

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This study explores the application of Heat Pump Dryer (HPD) technology using modified steel drums to improve post-harvest drying processes for Indonesia's rice, which produced 53.63 million tons in 2023. Traditional sun-drying methods are inadequate during the rainy season, leading to significant post-harvest losses due to high moisture content. The HPD system maintains drying temperatures below 50°C, enhancing product quality by safeguarding structural integrity, color, and aroma. Utilizing Computational Fluid Dynamics (CFD) simulations and experimental validation, we analyze airflow and temperature distributions, determining optimal conditions for drying efficiency. Findings indicate that increased airflow velocity and inlet temperature improve heat transfer while effective insulation minimizes energy loss. This research provides crucial insights for modernizing Indonesia's post-harvest technologies, potentially enhancing food security and reducing agricultural waste. Future studies should focus on scaling these innovative methodologies for broader agricultural applications.

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Drying Performance of Piper Nigrum in a Swirling Fluidized Bed Dryer: An Experimental Study

Cited by 3 publications

References 0 publications

Multi-Stage Swirling Fluidized Bed: Part 2 - The Velocity Distribution

Multi-Stage Swirling Fluidized Bed: Part 2 - The Velocity Distribution

Comparison of Murraya microbiological contamination and total flavonoid content on various drying methods

Feasibility of Horizontal-Aligned Used Oil Drum as Simple Material for Drying Chamber in Heat Pump Dryer by Computational Fluid Dynamics Method

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