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After text activity. Exercise 1. Read and memorize using a dictionary: downstream turbine, upstream rotating compressor

After text activity | THE SPEAKING MODULE | THE READING MODULE | Byproducts of power generation | After text activity | THE READING MODULE | Types of turbines | THE READING MODULE | After text activity | THE SPEAKING MODULE |


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I. Reading exercises:

Exercise 1. Read and memorize using a dictionary:

downstream turbine, upstream rotating compressor, shaft power, sink, exploit, heat capacity, a drawback, friction, dissipation, resistance, versatile, range of applicability, mimic, refine and augment; the practical nuances, discrepancies, in general terms; ambient temperature;automotive engine; peak-power output; fuel-air ratio; Stirling engine.

Exercise 2. Answer the questions:

1. What is a gas turbine?

2. What is a heat engine in thermodynamics and what does it perform?

3. How do heat engines distinguish themselves from other types of engines?

4.What examples of everyday heat engines do you know?

Exercise 3. Match the left part with the right:

1.A gas turbine, also called a combustion turbine, a) the reduction in the temperature and pressure of the exhaust gas.  
2.The energy given up to the turbine comes from b) is a type of internal combustion engine.  
3.A heat "source" generates thermal energy c) which is typically given in kilowatts per liter of engine displacement.  
4.Heat engines can be characterized by their specific power, d) that brings the working substance to the high temperature state.  

Exercise 4. Open brackets choosing the right words:

The products of the combustion are forced into the turbine (section/area). There, the high velocity and volume of the gas flow is (directed/ conducted) through a nozzle (over/above) the turbine's blades, spinning the turbine which powers the compressor and, for some turbines, (drives/operates) their mechanical output. The energy given up to the turbine comes from the (reduction/degradation) in the temperature and pressure of the exhaust gas.

 


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