Termodinamica 1 - Nombre Adrin Yoriey Cazorla Martnez Materia Termodinmica Tema Problemas de propiedades de las sustancias puras Profesor Jos Bautista

Termodinamica 1 - Nombre Adrin Yoriey Cazorla Martnez...

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Nombre: Adrián Yoriey Cazorla Martínez Materia: Termodinámica Tema: Problemas de propiedades de las sustancias puras Profesor: José Bautista Rodríguez Manzanillo col. A lunes 28 de noviembre de 2016
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5-8M. Aire inicialmente a 0.25Mpa y 80°C circula a través de un área de 100 cm 2 con un gasto másico de 50kg/min. Corriente abajo, en otro punto, la presión es de 0.35Mpa, la temperatura es de 100°C y la velocidad es de 20 m/s. Determine a) la velocidad de entrada, en m/s, y b) el área de salida, en centímetros cuadrados. s m v c T Mpa p kg m cm A c T Mpa p Datos 20 100 35 . 0 min 50 100 80 25 . 0 2 2 2 2 1 1 1 kg m v Kpa k k kg m Kpa v p RT v a 3 1 3 1 1 1 1 27044 . 0 250 253 287 . 0 ) s m v seg m v m kg m kg v A v m v A v v m a 2866 . 24 60 1 min 2 . 1452 01 . 0 29044 . 0 min 50 1 ) 1 1 2 3 1 1 1 1 1 1 1
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Unformatted text preview: 2 2 2 4 2 2 3 2 2 2 2 3 2 3 2 6 . 120 10 01206 . 20 28946 . 833333 . 28946 . 350 303 287 . ) cm A cm x m A s m kg m s kg A v v m A Área kg m v Kpa k k kg m Kpa v b 5-35M. A través de una válvula de estrangulamiento circula vapor de agua en las condiciones siguientes: a) entra a 30 bares y 240°C y sale a 7 bares y b) entra como vapor saturado a 8 bares y sale a 3 bares. Determine la temperatura final a la presión de salida mencionada, en grados Celsius....
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