1997
DOI: 10.1016/s0032-5910(97)03256-7
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Performance of a tuyère gas distributor

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Cited by 9 publications
(6 citation statements)
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“…The pressure drop across the distributor should be large enough to guarantee that the airflow through the distributor is not disturbed by the bed pressure fluctuations above the grid or an uneven distribution of gas inside the air plenum chamber [9,31]. In the classical approach, the equations allowing to determine the pressure drop across the air distributor are derived from Bernoulli's and continuity equations [9,16]. In this case, the pressure drop across the distributor can be linked to other dependent parameters, e.g., the density and viscosity of the fluidizing gas.…”
Section: Distributor Pressure Dropmentioning
confidence: 99%
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“…The pressure drop across the distributor should be large enough to guarantee that the airflow through the distributor is not disturbed by the bed pressure fluctuations above the grid or an uneven distribution of gas inside the air plenum chamber [9,31]. In the classical approach, the equations allowing to determine the pressure drop across the air distributor are derived from Bernoulli's and continuity equations [9,16]. In this case, the pressure drop across the distributor can be linked to other dependent parameters, e.g., the density and viscosity of the fluidizing gas.…”
Section: Distributor Pressure Dropmentioning
confidence: 99%
“…In that situation, the pressure drop should be determined in a pilot plant or a cold model. Direct development of Clift's theory is a model proposed by Lombardi et al [9]. It assumes that the total pressure drop across the grid should be determined based on Bernoulli's equation for real fluids, and for the known tuyere design it can be treated as a superposition of the six pressure components.…”
Section: Distributor Pressure Dropmentioning
confidence: 99%
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“…The distributor design is broadly accepted by the fluidization community to directly influence the generation, growing and interaction of bubbles, acting on the fluidization quality, which defines the gas solid fluidized behavior in terms of solid mixing and heat transfer. Accordingly, idea large collection of work can be found in the scientific literature regarding the distributor design (Briens et al, 1997;Eow et al, 2003;Geldart and Baeyens, 1985;Lombardi et al, 1997;Qureshi and Creasy, 1979;Sánchez-Prieto et al, 2014;Sathiy Amoorthy and Sridhar Rao, 1979;Sathiyamoorthy and Horio, 2003;Sridhar Rao, 1981, 1978;Saxena et al, 1979;Thorpe et al, 2002;Walker, 1975). For most applications, the distribution design aims to obtain a homogeneous distribution of air in the whole section of the reactor, avoiding dead zones (nonfluidized regions), bubble channeling zones or minimizing the attrition of the bed material.…”
Section: Introductionmentioning
confidence: 99%
“…A geometria dos injetores também procurou prevenir o retorno de material parti cu lado para a câmara plena ao desli gar-se o lei to e o acúmulo de materiais na cabeça dos injetores. O projeto da placa de inj etores do reator, Figura 3.5, obedece ao procedimento desenvolvido por LOMBARDI, PAGLJUSO eGOLDSTEIN (1997). Como o ar chega ao reator já aquecido, não há necessidade de elevar-se os injetares acima da placa para proteção térmica da mesma, como seria o caso em um combustor.…”
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