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波多尔斯克机器制造厂(ЗИО)的计算研究表明:在再热器上采用纵向内肋片管有可能降低壁温。第一个内肋片管的形线是ЗИО和ВТИ(全苏热工研究所)共同拟订的。ЗИО和ВТИ进行的试验证明,在对流的再热器上采用φ42×4毫米的内肋片管的有效性。内肋片管系按全苏管材科学研究所(ВНИТИ)的技术条
Calculations conducted by Össülco (ЗИО) show that using longitudinal internal fin tubes on reheaters can reduce the wall temperature. The shape of the first finned tube was co-developed by ЗИО and ВТИ (All-Su Thermal Research Institute). Testing by ЗИО and ВТИ proves the effectiveness of using internal finned tubes of φ42 × 4 mm on convection reheaters. The internal ribbed tube system is based on the technical regulations of ВНИТИ