首页> 外文OA文献 >Algorithm for calculating the radiative heat transfer in a system of bodies, taking into account the dependence of the optical characteristics of the radiating surfaces on the direction, wavelength of radiation and temperature

【2h】

Algorithm for calculating the radiative heat transfer in a system of bodies, taking into account the dependence of the optical characteristics of the radiating surfaces on the direction, wavelength of radiation and temperature

机译：用于计算体系中辐射传热的算法，考虑到辐射表面的光学特性对辐射和温度波长的依赖性

代理获取

本网站仅为用户提供外文OA文献查询和代理获取服务，本网站没有原文。下单后我们将采用程序或人工为您竭诚获取高质量的原文，但由于OA文献来源多样且变更频繁，仍可能出现获取不到、文献不完整或与标题不符等情况，如果获取不到我们将提供退款服务。请知悉。

页面导航

著录项
引文网络
相似文献
相关主题

著录项

作者
S.V. Pisetsky; I.S. Vinogradov;
展开▼
作者单位

展开▼
年度 2004
总页数
原文格式 PDF
正文语种
中图分类

相似文献

外文文献
中文文献
专利

1. Retrieval of aerosol optical depth from surface solar radiation measurements using machine learning algorithms, non-linear regression and a radiative transfer-based look-up table [J] . Huttunen Jani, Kokkola Harri, Mielonen Tero, Atmospheric chemistry and physics . 2016,第13期

机译：使用机器学习算法，非线性回归和基于辐射转移的查找表从表面太阳辐射测量值中检索气溶胶光学深度
2. Retrieval of aerosol optical depth from surface solar radiation measurements using machine learning algorithms, non-linear regression and a radiative transfer-based look-up table [J] . Huttunen Jani, Kokkola Harri, Mielonen Tero, Atmospheric chemistry and physics . 2016,第13期

机译：使用机器学习算法，非线性回归和基于辐射转移的查找表从表面太阳辐射测量值中检索气溶胶光学深度
3. Convective-radiative fin with temperature dependent thermal conductivity, heat transfer coefficient and wavelength dependent surface emissivity [J] . Surjan Singh, Dinesh Kumar, K.N. Rai Propulsion and Power Research . 2014,第4期

机译：对流散热片，其温度取决于导热系数，传热系数和波长取决于表面发射率
4. Radiative heat transfer and radiative heat transfer in low-temperature environments [C] . Introduction, Peter D.Jones ;IMECE . 1996

机译：辐射传热和低温环境下的辐射传热
5. Radiative properties and radiative heat transfer calculations for high temperature combustion gases. [D] . Zhang, Hongmei. 2002

机译：高温燃烧气体的辐射特性和辐射传热计算。
6. Surface temperatures in New York City: Geospatial data enables the accurate prediction of radiative heat transfer [O] . Masoud Ghandehari, Thorsten Emig, Milad Aghamohamadnia -1

机译：纽约市的地表温度：地理空间数据可准确预测辐射热传递
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。

Algorithm for calculating the radiative heat transfer in a system of bodies, taking into account the dependence of the optical characteristics of the radiating surfaces on the direction, wavelength of radiation and temperature

著录项

引文网络

相似文献

相关主题

期刊订阅