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Calculate the make up rate of the water by doing a material balance between the water stream and the air stream. Show your steps of calculation

Calculate the make up rate of the water by doing a material balance between the water stream and the air stream. Show your steps of calculation

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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Calculate the make up rate of the water by doing a material balance between the water stream and the air stream. Show your steps of calculation. (Attached are the datasets)
USEFUL INFORMATION 1. Orifice Constant: where th = 0.0137 5. Packing Data x V₂ Dry air mass flow rate (kg s¹¹) X = Orifice differential (mm H₂O) VB = Specific volume of steam and air mixture leaving top of column (m³ kg-¹) va₂ = Specific volume of dry air leaving top of column (m³ kg'¹) @ Specific humidity of air leaving top of the column (kg kg-¹) Number of Decks Number of Plates per Deck Total Surface Area of Packing Height of Packing Packing "Density" Area Vol 2. Energy Transferred to Water by Pump: 0.1kW 3. Water Capacity of System: 3.0 litre (excluding make-up tank) 4. Dimensions of Column: 150mm x 150mm x 600mm high. 6. Constants and Conversion Factors Specific heat capacity of water (Cp): Specific heat capacity of air (Cp): 1 bar = 10' N m² = 100 kN m² 1 kW = 3412 Btu h¹¹ m² = 0.0137 m m'¹ A 8 7 0.83 0.48 77 x 1 + w₂ )vaz 4.18 kJ kg¹¹ K¹ 1.005 kJ kg¹¹ K-¹ For air, R = 0.2871 kJ kg¹ K-¹ For steam (H₂O), M = 18 kg(kg mole).¹ Universal Gas Constant (Ro) = 8.3143 kJ (kg mole)*¹ K-¹ B 8 10 1.19 0.48 110 с 8 18 2.16 0.48 200 7. Note: The heating elements are rated (subject to a manufacturing tolerance) at 240V. At other voltages, the nominal rating should be multiplied by (local voltage)². 240
Transcribed Image Text:USEFUL INFORMATION 1. Orifice Constant: where th = 0.0137 5. Packing Data x V₂ Dry air mass flow rate (kg s¹¹) X = Orifice differential (mm H₂O) VB = Specific volume of steam and air mixture leaving top of column (m³ kg-¹) va₂ = Specific volume of dry air leaving top of column (m³ kg'¹) @ Specific humidity of air leaving top of the column (kg kg-¹) Number of Decks Number of Plates per Deck Total Surface Area of Packing Height of Packing Packing "Density" Area Vol 2. Energy Transferred to Water by Pump: 0.1kW 3. Water Capacity of System: 3.0 litre (excluding make-up tank) 4. Dimensions of Column: 150mm x 150mm x 600mm high. 6. Constants and Conversion Factors Specific heat capacity of water (Cp): Specific heat capacity of air (Cp): 1 bar = 10' N m² = 100 kN m² 1 kW = 3412 Btu h¹¹ m² = 0.0137 m m'¹ A 8 7 0.83 0.48 77 x 1 + w₂ )vaz 4.18 kJ kg¹¹ K¹ 1.005 kJ kg¹¹ K-¹ For air, R = 0.2871 kJ kg¹ K-¹ For steam (H₂O), M = 18 kg(kg mole).¹ Universal Gas Constant (Ro) = 8.3143 kJ (kg mole)*¹ K-¹ B 8 10 1.19 0.48 110 с 8 18 2.16 0.48 200 7. Note: The heating elements are rated (subject to a manufacturing tolerance) at 240V. At other voltages, the nominal rating should be multiplied by (local voltage)². 240
(b) By using the psychrometric chart, fill up the table below for mass balance. Set 1 w[kg/kg dry air] v[m³/kg dry air] Inlet (A) Outlet (B) Set 2 ONLY Inlet (A) Outlet (B) 0.013 Inlet (A) Outlet (B) 0.017 co[kg/kg dry air] 0.014 0.019 61 0.86 68 v¯[m³/kg dry air] 0.87 62 74 [kg dry air/s] m₂ (c) By using the psychrometric chart, fill up the table below for energy balance. het 2 [kJ/kg dry air] het i [kJ/kg dry air] 0.0586 [kg dry air/s] m₂ 0.0582 I
Transcribed Image Text:(b) By using the psychrometric chart, fill up the table below for mass balance. Set 1 w[kg/kg dry air] v[m³/kg dry air] Inlet (A) Outlet (B) Set 2 ONLY Inlet (A) Outlet (B) 0.013 Inlet (A) Outlet (B) 0.017 co[kg/kg dry air] 0.014 0.019 61 0.86 68 v¯[m³/kg dry air] 0.87 62 74 [kg dry air/s] m₂ (c) By using the psychrometric chart, fill up the table below for energy balance. het 2 [kJ/kg dry air] het i [kJ/kg dry air] 0.0586 [kg dry air/s] m₂ 0.0582 I
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