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Using a heat pipe (TPTC) for dissipating energy generated by an electronic circuit
Disipación de la energía generada en un circuito electrónico utilizando un TPTC (heat pipe)
Keywords:
heat transfer, energy disipated by a circuit, Joule effect (en)transferencia de calor, disipación de energía en un circuito, efecto Joule (es)
This paper presents an experimental investigation aimed at estimating the thermal efficiency of a heat pipe compared to the most common elements for removing heat from a circuit (i.e., an electric fan and a fin - extended surface). The input voltage frequency for a standard power circuit was changed for the experiments, whilst all the other parameters were kept constant. An experimental statistical design was used as an analytical tool. Unexpectedly, the heat pipe showed the lowest thermal efficiency for all the experiments, although it had the advantage of being a passive element having low volume and no mobile parts.
El presente artículo reporta los resultados de una investigación experimental relacionada con la determinación de la eficiencia térmica de un tubo para la transferencia de calor (TPTC o heat pipe) comparada con la de dos elementos comúnmente utilizados para disipar calor en un circuito, esto es, un ventilador y una aleta. En los ensayos se varió la frecuencia de la alimentación a un circuito de potencia estándar, manteniéndose constantes los demás parámetros. Se utilizó un diseño estadístico de experimentos como herramienta analítica. Para todos los experimentos el TPTC, inesperadamente, tuvo la menor eficiencia térmica, aunque tiene la ventaja de ser pasivo, poseer un pequeño volumen y carecer de partes móviles.
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References
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Copyright (c) 2010 Rodrigo Correa, Oscar Javier Reyes Ortíz, Jeison Marín
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