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Tabla-2; Temperaturas de Pared interna Table-1; Datos de Conductividades Térmica de la pared (W/m°C) Aislante Ext Lamina metal Refractariol Refractario2 Refractario3 T% K5 ΚΑ ΚΙ K2 13 400 0.0680 65.30 0.0300 0.0330 0.0359 600 0.0693 67.50 0.0315 0.0342 0.0372 800 0.0706 70.15 0.0330 0.0354 0.0386 1000 0.0719 72.90 0.0345 0.0366 0.0399 1200 0.0728 75.43 0.0360 0.0382 0.0416 1300 0.0735 76.70 0.0368 0.0388 0.0423 1400 0.0741 77.97 0.0375 0.0394 0.0429 Tabla -3 Datos del horno Temperaturas "K Interna Externa Lateral Izquierda 1250 298.15 hri W/m²*c= 4.65 L1= 200 mm hro W/m²*c= 4.25 L2= Lateral derecha 1250 100 mm 298.15 Frontal 1000 298.15 hci W/m²*c= 15 L3= 100 mm Fondo 1000 298.15 Superior 850 298.15 hco W/m²*c= 1.25 L4= 80 mm Piso 900 298.15 L5= 100 mm Tabla-4 ; Datos del Horno Dimensiones Alto Largo Ancho m m m 4.55 4.55 4.55 Datos de la pared espesores Lamina metal mm 80 Aislante externo mm 100 Aislante refractario 1 mm 200 Aislante refractario 2 mm 100 Aislante refractario 3 mm 100 Combustible Tipo Combustible Poder Calorico bajo Consumo Gas Gas natural kJ/m³ m³/hora 36366 Consumo de aire Temperatura de operación maxima pared interna Capacidad de carga m³/hora 1500 15000 °C 1500 TM/hora 35 Diagrama de la pared del horno con sus capas: metal fibra KS ladrillo refractario K1 K2 13 KA 12 74 hco hro Too a

Tabla-2; Temperaturas de Pared interna Table-1; Datos de Conductividades Térmica de la pared (W/m°C) Aislante Ext Lamina metal Refractariol Refractario2 Refractario3 T% K5 ΚΑ ΚΙ K2 13 400 0.0680 65.30 0.0300 0.0330 0.0359 600 0.0693 67.50 0.0315 0.0342 0.0372 800 0.0706 70.15 0.0330 0.0354 0.0386 1000 0.0719 72.90 0.0345 0.0366 0.0399 1200 0.0728 75.43 0.0360 0.0382 0.0416 1300 0.0735 76.70 0.0368 0.0388 0.0423 1400 0.0741 77.97 0.0375 0.0394 0.0429 Tabla -3 Datos del horno Temperaturas "K Interna Externa Lateral Izquierda 1250 298.15 hri W/m²*c= 4.65 L1= 200 mm hro W/m²*c= 4.25 L2= Lateral derecha 1250 100 mm 298.15 Frontal 1000 298.15 hci W/m²*c= 15 L3= 100 mm Fondo 1000 298.15 Superior 850 298.15 hco W/m²*c= 1.25 L4= 80 mm Piso 900 298.15 L5= 100 mm Tabla-4 ; Datos del Horno Dimensiones Alto Largo Ancho m m m 4.55 4.55 4.55 Datos de la pared espesores Lamina metal mm 80 Aislante externo mm 100 Aislante refractario 1 mm 200 Aislante refractario 2 mm 100 Aislante refractario 3 mm 100 Combustible Tipo Combustible Poder Calorico bajo Consumo Gas Gas natural kJ/m³ m³/hora 36366 Consumo de aire Temperatura de operación maxima pared interna Capacidad de carga m³/hora 1500 15000 °C 1500 TM/hora 35 Diagrama de la pared del horno con sus capas: metal fibra KS ladrillo refractario K1 K2 13 KA 12 74 hco hro Too a

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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An industrial oven, like the one shown in the figure, is in permanent production for the thermal treatment of ferrous materials. It is interesting to know the energy efficiency of the oven, which is calculated as a percentage of the heat of the burner, based on the power caloric value of the fuel, according to its technical data.

Calculate the thermal efficiency of the oven.

The complete information and the tables for the calculations are in the attached image.

Tabla-2; Temperaturas de Pared interna Table-1; Datos de Conductividades Térmica de la pared (W/m°C) Aislante Ext Lamina metal Refractariol Refractario2 Refractario3 T% K5 ΚΑ ΚΙ K2 13 400 0.0680 65.30 0.0300 0.0330 0.0359 600 0.0693 67.50 0.0315 0.0342 0.0372 800 0.0706 70.15 0.0330 0.0354 0.0386 1000 0.0719 72.90 0.0345 0.0366 0.0399 1200 0.0728 75.43 0.0360 0.0382 0.0416 1300 0.0735 76.70 0.0368 0.0388 0.0423 1400 0.0741 77.97 0.0375 0.0394 0.0429 Tabla -3 Datos del horno Temperaturas "K Interna Externa Lateral Izquierda 1250 298.15 hri W/m²*c= 4.65 L1= 200 mm hro W/m²*c= 4.25 L2= Lateral derecha 1250 100 mm 298.15 Frontal 1000 298.15 hci W/m²*c= 15 L3= 100 mm Fondo 1000 298.15 Superior 850 298.15 hco W/m²*c= 1.25 L4= 80 mm Piso 900 298.15 L5= 100 mm Tabla-4 ; Datos del Horno Dimensiones Alto Largo Ancho m m m 4.55 4.55 4.55 Datos de la pared espesores Lamina metal mm 80 Aislante externo mm 100 Aislante refractario 1 mm 200 Aislante refractario 2 mm 100 Aislante refractario 3 mm 100 Combustible Tipo Combustible Poder Calorico bajo Consumo Gas Gas natural kJ/m³ m³/hora 36366 Consumo de aire Temperatura de operación maxima pared interna Capacidad de carga m³/hora 1500 15000 °C 1500 TM/hora 35 Diagrama de la pared del horno con sus capas: metal fibra KS ladrillo refractario K1 K2 13 KA 12 74 hco hro Too a
Transcribed Image Text:Tabla-2; Temperaturas de Pared interna Table-1; Datos de Conductividades Térmica de la pared (W/m°C) Aislante Ext Lamina metal Refractariol Refractario2 Refractario3 T% K5 ΚΑ ΚΙ K2 13 400 0.0680 65.30 0.0300 0.0330 0.0359 600 0.0693 67.50 0.0315 0.0342 0.0372 800 0.0706 70.15 0.0330 0.0354 0.0386 1000 0.0719 72.90 0.0345 0.0366 0.0399 1200 0.0728 75.43 0.0360 0.0382 0.0416 1300 0.0735 76.70 0.0368 0.0388 0.0423 1400 0.0741 77.97 0.0375 0.0394 0.0429 Tabla -3 Datos del horno Temperaturas "K Interna Externa Lateral Izquierda 1250 298.15 hri W/m²*c= 4.65 L1= 200 mm hro W/m²*c= 4.25 L2= Lateral derecha 1250 100 mm 298.15 Frontal 1000 298.15 hci W/m²*c= 15 L3= 100 mm Fondo 1000 298.15 Superior 850 298.15 hco W/m²*c= 1.25 L4= 80 mm Piso 900 298.15 L5= 100 mm Tabla-4 ; Datos del Horno Dimensiones Alto Largo Ancho m m m 4.55 4.55 4.55 Datos de la pared espesores Lamina metal mm 80 Aislante externo mm 100 Aislante refractario 1 mm 200 Aislante refractario 2 mm 100 Aislante refractario 3 mm 100 Combustible Tipo Combustible Poder Calorico bajo Consumo Gas Gas natural kJ/m³ m³/hora 36366 Consumo de aire Temperatura de operación maxima pared interna Capacidad de carga m³/hora 1500 15000 °C 1500 TM/hora 35 Diagrama de la pared del horno con sus capas: metal fibra KS ladrillo refractario K1 K2 13 KA 12 74 hco hro Too a
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