Functional ceramic for solar drying

R Kh Rakhimov M S Saidov V P Ermakov

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Functional ceramic for solar drying

机译：太阳能干燥功能陶瓷

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Powder with grain size about 1 μm has been prepared from a mullite alloy (2SiO2 · 3Al2O3) containing 4.0 wt % of a ceramic, which converts the initial energy to pulsed infrared (IR) radiation. Photo-photon converters have been fabricated on the base of iron sheet of thickness 0.6 mm and the functional ceramic. It is shown that the use of the metal-ceramic photo-thermo-photon converter accelerates significantly the drying process and the energy transfer rate. [PUBLICATION ABSTRACT]

机译：已经从包含4.0 wt％的陶瓷的莫来石合金（2SiO2·3Al2O3）制备了粒径约为1μm的粉末，该粉末将初始能量转换为脉冲红外（IR）辐射。光子转换器是在厚度为0.6毫米的铁片和功能陶瓷的基础上制造的。结果表明，使用金属陶瓷光热-光子转换器可以显着加速干燥过程和能量传递速率。 [出版物摘要]

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《Applied Solar Energy》 |2008年第4期|p.1-4|共4页
作者
R Kh Rakhimov M S Saidov V P Ermakov;
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收录信息美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
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入库时间 2022-08-17 23:18:13

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专利

1. Design Basis of Drying Equipment with Use of Functional Ceramics:1. Functional Ceramics Selection Criterion for Drying Processes [J] . R. Kh. Rakhimov, V. P. Ermakov Applied solar energy . 2010,第4期

机译：使用功能陶瓷的干燥设备的设计依据：1。干燥过程中功能陶瓷的选择标准
2. Specifics of Drying Raw Cotton Using Functional Ceramics Synthesized in Large Solar Oven [J] . R. Kh. Rakhimov, V. P. Ermakov, M. R. Rakhimov Applied solar energy . 2011,第1期

机译：使用大型太阳能烤箱合成的功能陶瓷干燥原棉的细节
3. Drying Application of Functional Ceramics Synthesized in the Big Solar Furnace [J] . R.Kh. Rakhimov, V.P. Ermakov, M.A. Makhamedova Applied solar energy . 2002,第4期

机译：大型太阳能炉中合成功能陶瓷的干燥应用
4. Free Vibration Analysis of Ceramic-Metal Functionally Graded rectangular Solar Plates with Porosities Using of HighOrder Shear Theory : Solar Plate FG Composed of (Al/Al2O3) and (Al/ZrO2) Influence by Porosity [C] . Slimane Merdaci, Adda Hadj Mostefa, Mohamed Merazi, International Renewable Energy Congress . 2020

机译：陶瓷金属功能渐进矩形太阳能板的自由振动分析使用高达剪切理论：太阳能板FG由（Al / Al2O3）和（Al / ZrO2）孔隙率组成
5. Fabrication of functionally gradient materials with internal channels in ceramics and ceramic composites. [D] . Shin, Hyea-Weon. 2002

机译：在陶瓷和陶瓷复合物中制造带有内部通道的功能梯度材料。
6. Solar drying and organoleptic characteristics of two tropical African fish species using improved low-cost solar driers [O] . Moshood K Mustapha, Taiye B Ajibola, Abdulbashir F Salako, 2014

机译：使用改进的低成本太阳能干燥器对两种热带非洲鱼类进行日光干燥和感官特性
7. This article presents a new numerical model describing the behaviour of a thermally thick wood sample exposed to high solar heat flux (above 1 MW/m2). A preliminary study based on dimensionless numbers is used to classify the problem and support model building assumptions. Then, a model based on mass, momentum and energy balance equations is proposed. These equations are coupled with liquid-vapour drying model and pseudo species biomass degradation model. By comparing to a former experimental study, preliminary results have shown that these equations are not enough to accurately predict biomass behaviour under high solar heat flux. Indeed, a char layer acting as radiative shield forms on the sample exposed surface. In addition to this classical set of equations, it is mandatory to take into account radiation penetration into the medium. Furthermore, as biomass contains water, medium deformation consecutively to char steam gasification must also be implemented. Finally, with the addition of these two strategies, the model is able to properly capture the degradation of biomass when exposed to high radiative heat flux over a range of sample initial moisture content. Additional insights of biomass behaviour under high solar heat flux were also derived. Drying, pyrolysis and gasification fronts are present at the same time inside of the sample. The coexistence of these three thermochemical fronts leads to char gasification by the steam produced from drying of the sample, which it is the main phenomenon behind medium ablation. [O] . Pozzobon, Victor, Salvador, Sylvain, Bézian, Jean Jacques 2018

机译：本文提供了一个新的数值模型，该模型描述了暴露于高太阳热通量（高于1 / MW / m2）的热厚木材样品的行为。基于无量纲数的初步研究用于对问题进行分类并支持模型构建假设。然后，提出了一种基于质量，动量和能量平衡方程的模型。这些方程式与液体蒸汽干燥模型和假物种生物质降解模型耦合。通过与以前的实验研究进行比较，初步结果表明，这些方程不足以准确预测高太阳热通量下的生物量行为。的确，在样品暴露的表面上形成了充当辐射屏蔽层的炭层。除了这套经典的方程式之外，还必须考虑到辐射向介质的渗透。此外，由于生物质中含有水，因此还必须在炭蒸气汽化后进行连续的介质变形。最后，通过添加这两种策略，该模型能够在一定范围的样品初始水分含量下暴露于高辐射热通量的情况下，正确捕获生物质的降解。还得出了在高太阳热通量下生物量行为的其他见解。样品内部同时存在干燥，热解和气化前沿。这三个热化学前沿的共存会导致样品干燥产生的蒸汽产生焦炭气化，这是介质烧蚀的主要现象。

Functional ceramic for solar drying

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