# Análisis 111: Ciclo de Rankine con recalentamiento intermedio y presencia de inquemados

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Un ciclo de Rankine con recalentamiento intermedio está formado por dos etapas de expansión. El combustible gaseoso está formado por una mezcla volumétrica de:

* Metano (62%)
* n-butano (21%)
* Etano (11%)
* CO (4%)
* Oxígeno (2%)

El aire y combustible entran a 100 kPa y 25ºC. El exceso de aire es del 155 %. Los humos salen por la chimenea a 398 ºC y 100 kPa. La humedad relativa del aire es del 64 %.

* Inquemados: 940 ppm de CH4
* Relación másica de CO<sub>2</sub>/CO (productos de combustión) = 5.5
* Agua de alimentación a 25 ºC y 16000 kPa
* El vapor es generado a 500 ºC y 15900 kPa
* Recalentamiento a 540 ºC y 3000 kPa
* Presión en condensador de 79 kPa

Realizar el balance energético y exergético de la instalación.
{% endhint %}

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<figure><img src="/files/CefpJf52MTTjQh1GFtHh" alt=""><figcaption></figcaption></figure>

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Modificaciones al ciclo, aumento de la temperatura del agua de alimentación a 55ºC, y disminución de la presión en el escape a 12 kPa:

![](https://thermosuite.com/manual/111/media/image8.png)

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