16 Questions
What is the main function of a heat exchanger?
To transfer heat from one medium to another
In which type of heat exchanger does heat transfer occur between one fluid flowing through a bundle of tubes and another flowing transversely over the outside of the tubes?
Cross-flow heat exchanger
Which engineering application typically uses a cross-flow heat exchanger?
Boiler super-heaters and economizers
What is the Model number of the Cross Flow Heat Exchanger used in the experiment?
HE350
In which type of engineering is the unit suitable for teaching students?
Mechanical Engineering and Plant & Process Engineering
What is the purpose of the custom-designed electronic interface mounted in an adjacent console?
To interface with relevant instrumentation and transducers
What is the purpose of the digital thermal anemometer in the cross flow heat exchanger (Model: HE350)?
To measure the air velocity and air temperature at the inlet of the duct
What component of the cross flow heat exchanger provides thermal protection for the heater?
The heater surface thermocouple
How is the airflow through the blower fan adjusted in the cross flow heat exchanger (Model: HE350)?
By turning the damper knob on top of the damper
Which component of the cross flow heat exchanger controls the airflow at the fan discharge?
The adjustable iris at the fan discharge
What is used to mount the acrylic panels for different configurations of the heater tubes in the cross flow heat exchanger (Model: HE350)?
Wingnuts
Where should the connectors of the heater be connected in the cross flow heat exchanger?
At the right side of the control panel
What is inserted into the holes in the respective acrylic boxes during an experiment with the cross flow heat exchanger?
Loose finned tubes and loose tubes
What provides operator protection by supplying both fan and console via a residual current circuit breaker in the cross flow heat exchanger?
The circuit breaker and fuse
Where is the active plain element of the heater located in the cross flow heat exchanger (Model: HE350)?
In an opening in the duct
What is used to adjust the heat input in the cross flow heat exchanger?
The heater power regulator
Study Notes
Heat Exchangers
- The main function of a heat exchanger is to transfer heat between two fluids.
Types of Heat Exchangers
- In a cross-flow heat exchanger, heat transfer occurs between one fluid flowing through a bundle of tubes and another fluid flowing transversely over the outside of the tubes.
Applications of Cross-Flow Heat Exchangers
- Cross-flow heat exchangers are typically used in engineering applications.
Cross Flow Heat Exchanger (Model: HE350)
- The model number of the cross-flow heat exchanger used in the experiment is HE350.
- The unit is suitable for teaching students in the field of mechanical engineering.
- The custom-designed electronic interface mounted in an adjacent console provides a purpose.
- The digital thermal anemometer measures the temperature of the fluid flowing through the tubes.
- The thermal protection component provides thermal protection for the heater.
- The airflow through the blower fan can be adjusted using a variable speed controller.
- The airflow at the fan discharge is controlled by the outlet grille.
- Acrylic panels are mounted using screws and clips for different configurations of the heater tubes.
- The connectors of the heater should be connected to the power supply.
- Thermocouples are inserted into the holes in the respective acrylic boxes during an experiment.
- The residual current circuit breaker provides operator protection by supplying both fan and console.
- The active plain element of the heater is located in the center of the heater tubes.
- The heat input can be adjusted using a variable voltage controller.
Learn about the experiment on cross flow heat exchanger, a common component in engineering applications for transferring heat from one medium to another. Understand the configuration and operation of cross-flow heat exchangers.
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