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The figure shows data for a portion of the ducting in a ventilation...
The figure shows data for a portion of the ducting in a ventilation system operating at...
The figure shows data for a portion of the ducting in a
ventilation system operating at steady state. The ducts are well
insulated and the pressure is very nearly 1 atm throughout. The
volumetric flow rate entering at state 2 is AV2
= 4800 ft3/min. Assume the ideal gas model for air with
cp = 0.24 Btu/lb·oR and ignore
kinetic and potential energy effects.
The figure shows data for a portion of the ducting in a ventilation system operating at...
The figure shows data for a portion of the ducting in a ventilation system operating at...
The figure shows data for a portion of the ducting in a ventilation system operating at steady state. The ducts are well insulated and the pressure is very nearly 1 atm throughout. The volumetric flow rate entering at state 2 is AV2 = 4800 ft/min. Assume the ideal gas model for air with cp = 0.24 Btu/lb-R and ignore kinetic and potential energy effects. (AV)1 = 5000 ft/min Air, Cp = 0.24 Btu/lbºR T = 80°F p = 1 atm...
As shown in the figure, air with a volumetric flow rate of 14,000 ft/min enters an...
As shown in the figure, air with a volumetric flow rate of 14,000 ft/min enters an air-handling unit at 80°F, 1 atm. The air-handling unit delivers air at 45°F, 1 atm to a duct system with three branches consisting of two 26-in.-diameter ducts and one 50-in. duct. The velocity in each 26-in. duct is 13 ft/s. Assume steady state operation and ideal gas behavior for the air. 4+D. - 50 in. -- -- Duct > si 72 = 73 =...
Air at 95°F, 1 atm, and 10% relative humidity enters an evaporative cooler operating at steady...
Air at 95°F, 1 atm, and 10% relative humidity enters an evaporative cooler operating at steady state. The volumetric flow rate of the incoming air is 895 ft3/min. Liquid water at 68°F enters the cooler and fully evaporates. Moist air exits the cooler at 70°F, 1 atm. There is no significant heat transfer between the device and its surroundings and kinetic and potential energy effects can be neglected. a)Determine the mass flow rate of the dry air in lb(dry air)/min....
Help on a and b please 13. Air enters a compressor operating at steady state at...
Help on a and b please
13. Air enters a compressor operating at steady state at 15 lbf/in. 60°F, with a volumetric flow rate of 5000 ft/min. The compression occurs in two stages, with each stage being a polytropic process with n1.3. The air is cooled to 100°F between the stages by an intercooler operating at 40 lbf/in. Air exits the compressor at 120 lbf/in.2 Determine, in Btu/min: (a) (b) The power and heat transfer rate for each compressor stage...
Air at 95°F, 1 atm, and 10% relative humidity enters an evaporative cooler operating at steady...
Air at 95°F, 1 atm, and 10% relative humidity enters an evaporative cooler operating at steady state. The volumetric flow rate of the incoming air is 1765 ft3/min. Liquid water at 68°F enters the cooler and fully evaporates. Moist air exits the cooler at 70°F, 1 atm. There is no significant heat transfer between the device and its surroundings and kinetic and potential energy effects can be neglected. A. Determine the mass flow rate of the dry air in lbm(dry...
Air at 95°F, 1 atm, and 10% relative humidity enters an evaporative cooler operating at steady...
Air at 95°F, 1 atm, and 10% relative humidity enters an evaporative cooler operating at steady state. The volumetric flow rate of the incoming air is 1765 ft3/min. Liquid water at 68°F enters the cooler and fully evaporates. Moist air exits the cooler at 70°F, 1 atm. There is no significant heat transfer between the device and its surroundings and kinetic and potential energy effects can be neglected. A. Determine the mass flow rate of the dry air in Ibm(dry...
Problem 4.069 The figure belows shows three components of an air-conditioning system, where T3 115°F and...
Problem 4.069 The figure belows shows three components of an air-conditioning system, where T3 115°F and 4.5 Ib/s. Refrigerant 134a flows through a throttling valve and a heat exchanger while air flows through a fan and the same heat exchanger. Data for steady-state operation are given on the figure. There is no significant heat transfer between any of the components and the surroundings. Kinetic and potential energy effects are negligible. Air T 535 R cp = 0.240 Btu/lb-R Saturated liquid...
1. Air at 95°F and 1 atm containing 0.0225 lbm H2O per lbm dry air is...
1. Air at 95°F and 1 atm containing 0.0225 lbm H2O per lbm dry air is send to a condenser at the rate of 500 ft3 humid air per minute. (a) What is the mass flow rate of dry air in this feed stream (lbm/min)? (b) The air leaves the cooler saturated with water at 55°F and 1 atm. If the mass flow rate of dry air was 50 lbm/min, find the rate at which water is condensed from the...
summarizr the followung info and write them in your own words and break them into different...
summarizr the followung info and write them in your own words and break them into different key points. 6.5 Metering Chamber: 6.5.1 The minimum size of the metering box is governed by the metering area required to obtain a representative test area for the specimen (see 7.2) and for maintenance of reasonable test accuracy. For example, for specimens incorporating air spaces or stud spaces, the metering area shall span an integral number of spaces (see 5.5). The depth of...
The figure shows data for a portion of the ducting in a
ventilation system operating at steady state. The ducts are well
insulated and the pressure is very nearly 1 atm throughout. The
volumetric flow rate entering at state 2 is AV2
= 4800 ft3/min. Assume the ideal gas model for air with
cp = 0.24 Btu/lb·oR and ignore
kinetic and potential energy effects.
The figure shows data for a portion of the ducting in a ventilation system operating at...
The figure shows data for a portion of the ducting in a ventilation system operating at steady state. The ducts are well insulated and the pressure is very nearly 1 atm throughout. The volumetric flow rate entering at state 2 is AV2 = 4800 ft/min. Assume the ideal gas model for air with cp = 0.24 Btu/lb-R and ignore kinetic and potential energy effects. (AV)1 = 5000 ft/min Air, Cp = 0.24 Btu/lbºR T = 80°F p = 1 atm...
As shown in the figure, air with a volumetric flow rate of 14,000 ft/min enters an air-handling unit at 80°F, 1 atm. The air-handling unit delivers air at 45°F, 1 atm to a duct system with three branches consisting of two 26-in.-diameter ducts and one 50-in. duct. The velocity in each 26-in. duct is 13 ft/s. Assume steady state operation and ideal gas behavior for the air. 4+D. - 50 in. -- -- Duct > si 72 = 73 =...
Help on a and b please
13. Air enters a compressor operating at steady state at 15 lbf/in. 60°F, with a volumetric flow rate of 5000 ft/min. The compression occurs in two stages, with each stage being a polytropic process with n1.3. The air is cooled to 100°F between the stages by an intercooler operating at 40 lbf/in. Air exits the compressor at 120 lbf/in.2 Determine, in Btu/min: (a) (b) The power and heat transfer rate for each compressor stage...
Air at 95°F, 1 atm, and 10% relative humidity enters an evaporative cooler operating at steady state. The volumetric flow rate of the incoming air is 1765 ft3/min. Liquid water at 68°F enters the cooler and fully evaporates. Moist air exits the cooler at 70°F, 1 atm. There is no significant heat transfer between the device and its surroundings and kinetic and potential energy effects can be neglected. A. Determine the mass flow rate of the dry air in lbm(dry...
Air at 95°F, 1 atm, and 10% relative humidity enters an evaporative cooler operating at steady state. The volumetric flow rate of the incoming air is 1765 ft3/min. Liquid water at 68°F enters the cooler and fully evaporates. Moist air exits the cooler at 70°F, 1 atm. There is no significant heat transfer between the device and its surroundings and kinetic and potential energy effects can be neglected. A. Determine the mass flow rate of the dry air in Ibm(dry...
Problem 4.069 The figure belows shows three components of an air-conditioning system, where T3 115°F and 4.5 Ib/s. Refrigerant 134a flows through a throttling valve and a heat exchanger while air flows through a fan and the same heat exchanger. Data for steady-state operation are given on the figure. There is no significant heat transfer between any of the components and the surroundings. Kinetic and potential energy effects are negligible. Air T 535 R cp = 0.240 Btu/lb-R Saturated liquid...
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