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Technique Offers Advance in Testing Micro-Scale Compressive Strength of Cement(图)
Technique Offers Advance Micro-Scale Compressive Strength Cement
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2017/11/23
A new methodology is proposed for investigating compressive failure behavior of cement paste at micrometer scale. Micropillar geometries are fabricated by focused ion beam milling on potential calcium...
燃料气体预热温度对微燃烧器性能影响的分析(Effects of Preheating Fuel Gas to Micro-scale Flame)
微燃烧 预热温度 数值模拟
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2010/12/28
燃料在直圆管形状的微尺度燃烧器中进行预热燃烧,对比不同预热温度下的燃烧器工作性能,检验强化预热对促进微燃烧稳定的效果。实验选择燃料混合气体流量为0.12、0.24、0.36L/min,预热温度分别为室温23℃和250、500℃。实验结果显示,在室温,燃料混合气体流量0.12L/min下,燃烧器可燃极限当量比为0.339~3.639。预热温度上升到250℃时,可燃极限当量比范围增大到0.317~...