Fabiano P. Branco

Universidade Católica Dom Bosco

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Marney Pascoli Cereda

Universidade Estadual Paulista (Unesp)

H. Naka Marco

Universidade Federal de Mato Grosso do Sul

Ricardo Alan Verdú Ramos

Universidade Estadual Paulista (Unesp)

Fernando H. Dib

Marco Hiroshi Naka

Universidade Federal de Mato Grosso do Sul

Cássio Roberto Macedo Maia

Universidade Estadual Paulista (Unesp)

P. Cereda Marney

F. M. Barbosa

Universidade Católica Dom Bosco

Luís A. Bello‐Pérez

Instituto Politécnico Nacional

Heliodório Queiroz

Universidade Católica Dom Bosco

Cooperative Institutions

Universidade Católica Dom Bosco

Universidade Estadual Paulista (Unesp)

Instituto Politécnico Nacional

Universidade Federal de Mato Grosso do Sul

Universidade Estadual de Ponta Grossa

Universidad Politecnica del Estado de Morelos

Universidade Federal de Minas Gerais

Centro Universitário Cesumar

Universidade de São Paulo

Universidad Autónoma del Estado de Hidalgo

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Thermal economical analysis of plants configuration proposed for expansion of a thermoelectric power plant; Analise termoeconomica de configuracoes de plantas propostas para a expansao de uma usina termoeletrica

Fabiano P. Branco Junior Romao Marcos H. S. Mashiba Fernando H. Dib Cássio Roberto Macedo Maia

This paper performs thermodynamic and thermoeconomic analyses applied to a thermoelectric natural gas primarily open cycle power plant and posteriorly operating at combined cycle, with heat recovery steam generator with 1, 2 and 3 pressure level respectively. For the system thermodynamic, mass conservation, entropy and exergy balance equations are applied, considering a control volume for each equipment composing the plant. Using thermoeconomic analysis it is possible to evaluate the reflexes of the capital and fuel costs on the composition of the electricity generated, through the exergy fluxes, the exergy unitary costs and the exergoeconomic costs (US$/MWh), besides the costs for the produced powers. The plant is still submitted to known techniques of investment analysis for economical viability verification taking into account the investment and natural gas costs and the energy sales.

Exergy efficiency

Cogeneration

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Elsevier eBooks (2024)

Luc Avérous Luís A. Bello‐Pérez Camila Delinski Bet Fabiano P. Branco Marney Pascoli Cereda

10.1016/b978-0-323-90842-9.00021-2

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COMPARISON OF ARROWROOT (Maranta arundinacea) AND CASSAVA STARCH EXTRACTION IN SEPARATION, CONCENTRATION, AND PURIFICATION USING A ROTATING SIEVE UNDER WATER

Engenharia Agrícola (2020)

Fabiano P. Branco P. Cereda Marney H. Naka Marco

Brazil is home to several plant species that exhibit potential for starch extraction. The arrowroot plant stands out owing to its South American origin. Arrowroot starch is especially important for fine confectionery, which is a high-value niche market. Thus, a small producer could benefit from the high prices of arrowroot starch. However, to have consistent production, the extraction should be performed using simple, safe, and inexpensive equipment. Starch extraction involves disintegration of the raw material under water, followed by the separation of fibrous bagasse from the starch–water suspension. This study presents an equipment design based on the concept of appropriate technology that is suitable for small producers to extract starch. A rotating sieve was projected and was evaluated using the ratio of water and starch, which represents the concentration and amount of starch extracted at each point in the equipment. The results highlighted that the sieve length should be longer to increase the separation efficiency. Efficiency of the process depends on the disintegration process because during the separation of bagasse from the starch suspension in water, the large average diameter of the grounded masses required higher water consumption compared with the masses with small average diameter.

Sieve (category theory)

10.1590/1809-4430-eng.agric.v40n1p90-95/2020

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Citations (6)

GRANULOMETRY AND ENERGY CONSUMPTION AS INDICATORS OF DISINTEGRATION EFFICIENCY IN A HAMMER MILL ADAPTED TO EXTRACTING ARROWROOT STARCH (Maranta arundinacea) IN COMPARISON TO STARCH EXTRACTION FROM CASSAVA

Figshare (2019)

Fabiano P. Branco Marco Hiroshi Naka Marney Pascoli Cereda

ABSTRACT The commercial sector of starch extraction has fully automated plants with a minimum scale of 200 ton.day–1, which extracts starch from maize and cassava in Brazil. Although these starches are commodities, the market demands starches with special properties obtained without chemical modifications. A higher-priced starch can compensate for small-scale extraction, as in the case of arrowroot starch, which would correspond to an alternative income for the producer. As a small-scale equipment was not available in Brazil, it was necessary to adapt a hammer mill for arrowroot starch extraction, which should have a performance similar to that obtained from cassava roots using industrial grinders. The degree of disintegration and energy consumption were adopted as the efficiency indexes. The hammer mill was equipped with two perforated plates. The results showed that use of an adapted hammer mill provides an average diameter of 74.64 ± 0.09 μm for perforated plate 1 (TP1) and 76.62 ± 0.06 μm for TP2; these results were equivalent to those obtained with cassava in the respective perforations which, in turn, was comparable to the degree of grinding obtained with large industrial equipment. The specific energy consumption needs for arrowroot disintegration varied from 31.47 to 48.91 kJ.kg–1, which was considered close to that calculated for large-scale industrial cassava roots grinders, reported at 37.03 kJ.kg–1.

Hammer

10.6084/m9.figshare.8324438

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Design and evaluation of an equipment for starch release and extraction of underground starchy crops in small processing units

Elsevier eBooks (2024)

Marney Pascoli Cereda Fabiano P. Branco

Sieve (category theory)

10.1016/b978-0-323-90842-9.00010-8

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Citations (1)

COMPARISON OF ARROWROOT (Maranta arundinacea) AND CASSAVA STARCH EXTRACTION IN SEPARATION, CONCENTRATION, AND PURIFICATION USING A ROTATING SIEVE UNDER WATER

Figshare (2020)

Fabiano P. Branco P. Cereda Marney H. Naka Marco

ABSTRACT Brazil is home to several plant species that exhibit potential for starch extraction. The arrowroot plant stands out owing to its South American origin. Arrowroot starch is especially important for fine confectionery, which is a high-value niche market. Thus, a small producer could benefit from the high prices of arrowroot starch. However, to have consistent production, the extraction should be performed using simple, safe, and inexpensive equipment. Starch extraction involves disintegration of the raw material under water, followed by the separation of fibrous bagasse from the starch–water suspension. This study presents an equipment design based on the concept of appropriate technology that is suitable for small producers to extract starch. A rotating sieve was projected and was evaluated using the ratio of water and starch, which represents the concentration and amount of starch extracted at each point in the equipment. The results highlighted that the sieve length should be longer to increase the separation efficiency. Efficiency of the process depends on the disintegration process because during the separation of bagasse from the starch suspension in water, the large average diameter of the grounded masses required higher water consumption compared with the masses with small average diameter.

Sieve (category theory)

10.6084/m9.figshare.11869299

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DESIGN AND STUDY OF DIMENSIONAL PARAMETERS INFLUENCE ON VORTEX TUBE BEHAVIOR

Revista de Engenharia Térmica (2019)

Fabiano P. Branco Erinson Danilo Buchelt F. M. Barbosa Bruno Rosa Daniel J. Laporte

Vortex tube is a thermodynamic device, with no moving parts, applied to separate hot and cold air from compressed air injected into the tube. It has many applications in the industry, for example, among others, it can be mentioned electronic systems cooling, machining processes cooling and environmental chambers. This paper presents the design and tube dimensioning based on parameters and data found in the literature. Therefore, a prototype has been made and tested, which allowed the understanding of the influence of internal tube diameter and width on the hot and cold air temperatures while submitted to compressed air with pressure varying from 1 to 2.5bar. Results of tested configurations indicates that the relation between tube length and diameter (L/D) has small influence on vertex tube behavior, meanwhile, 3/8” tube diameter shows lowest temperatures on cold flow (-6.5°C, -8.0°C and -8.5°C) and higher COP (≈ 0.15).

Vortex Tube

Dimensioning

Compressed air

10.5380/reterm.v18i2.70782

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Citations (1)

DETERMINAÇÃO DAS PROPRIEDADES MECÂNICAS DO UHMWPE E ACRÍLICO ATRAVÉS DE ENSAIO DE TRAÇÃO

Anais do ... Congresso Nacional de Engenharia Mecânica (2016)

Daniele Bizarro Fabiano P. Branco Heliodório Queiroz Leandro dos Santos Machado

10.20906/cps/con-2016-0041

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Thermodynamic and economic analyses of a Brazilian natural gas thermal power plant

Fabiano P. Branco Fernando H. Dib Alessandro T. Takaki Cássio Roberto Macedo Maia Ricardo Alan Verdú Ramos

UNESP, Mec Engn Dept, NUPLEN, Nucleus Energy Planning Generat & Cogenerat, BR-15385000 Ilha Solteira, SP, Brazil

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Engenharia Agrícola (2019)

Fabiano P. Branco Marco Hiroshi Naka Marney Pascoli Cereda

The commercial sector of starch extraction has fully automated plants with a minimum scale of 200 ton.day–1, which extracts starch from maize and cassava in Brazil. Although these starches are commodities, the market demands starches with special properties obtained without chemical modifications. A higher-priced starch can compensate for small-scale extraction, as in the case of arrowroot starch, which would correspond to an alternative income for the producer. As a small-scale equipment was not available in Brazil, it was necessary to adapt a hammer mill for arrowroot starch extraction, which should have a performance similar to that obtained from cassava roots using industrial grinders. The degree of disintegration and energy consumption were adopted as the efficiency indexes. The hammer mill was equipped with two perforated plates. The results showed that use of an adapted hammer mill provides an average diameter of 74.64 ± 0.09 μm for perforated plate 1 (TP1) and 76.62 ± 0.06 μm for TP2; these results were equivalent to those obtained with cassava in the respective perforations which, in turn, was comparable to the degree of grinding obtained with large industrial equipment. The specific energy consumption needs for arrowroot disintegration varied from 31.47 to 48.91 kJ.kg–1, which was considered close to that calculated for large-scale industrial cassava roots grinders, reported at 37.03 kJ.kg–1.

Hammer

10.1590/1809-4430-eng.agric.v39n3p341-349/2019

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Citations (10)