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Questions and Answers
What is the main function of a heat exchanger?
What is the main function of a heat exchanger?
- To cool down a single medium
- To transfer heat from one medium to another (correct)
- To increase the temperature of a single medium
- To generate 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?
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?
- Counter-flow heat exchanger
- Shell and tube heat exchanger
- Cross-flow heat exchanger (correct)
- Parallel-flow heat exchanger
Which engineering application typically uses a cross-flow heat exchanger?
Which engineering application typically uses a cross-flow heat exchanger?
- Boiler super-heaters and economizers (correct)
- Chemical Engineering only
- Refrigeration evaporators only
- I.C. engine radiators only
What is the Model number of the Cross Flow Heat Exchanger used in the experiment?
What is the Model number of the Cross Flow Heat Exchanger used in the experiment?
In which type of engineering is the unit suitable for teaching students?
In which type of engineering is the unit suitable for teaching students?
What is the purpose of the custom-designed electronic interface mounted in an adjacent console?
What is the purpose of the custom-designed electronic interface mounted in an adjacent console?
What is the purpose of the digital thermal anemometer in the cross flow heat exchanger (Model: HE350)?
What is the purpose of the digital thermal anemometer in the cross flow heat exchanger (Model: HE350)?
What component of the cross flow heat exchanger provides thermal protection for the heater?
What component of the cross flow heat exchanger provides thermal protection for the heater?
How is the airflow through the blower fan adjusted in the cross flow heat exchanger (Model: HE350)?
How is the airflow through the blower fan adjusted in the cross flow heat exchanger (Model: HE350)?
Which component of the cross flow heat exchanger controls the airflow at the fan discharge?
Which component of the cross flow heat exchanger controls the airflow 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)?
What is used to mount the acrylic panels for different configurations of the heater tubes in the cross flow heat exchanger (Model: HE350)?
Where should the connectors of the heater be connected in the cross flow heat exchanger?
Where should the connectors of the heater be connected in the cross flow heat exchanger?
What is inserted into the holes in the respective acrylic boxes during an experiment with the cross flow heat exchanger?
What is inserted into the holes in the respective acrylic boxes during an experiment with the cross flow heat exchanger?
What provides operator protection by supplying both fan and console via a residual current circuit breaker in the cross flow heat exchanger?
What provides operator protection by supplying both fan and console via a residual current circuit breaker in the cross flow heat exchanger?
Where is the active plain element of the heater located in the cross flow heat exchanger (Model: HE350)?
Where is the active plain element of the heater located in the cross flow heat exchanger (Model: HE350)?
What is used to adjust the heat input in the cross flow heat exchanger?
What is used to adjust the heat input in the cross flow heat exchanger?
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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.
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