Similitude testing of compressor performance
AssigneeNuovo Pignone S.p.A.
InventorsGianni Iannuzzi, Carlo Bacciottini, Giovanni Cecchi
Life of this patent
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Abstract
A method for similitude testing of a turbomachine, the method comprising selecting a test gas having a molecular weight between 40 g/gmol and 150 g/gmol, a global warming potential (GWP) of less than 700, and a gas specific heat ratio of between 1 and 1.5; operating the turbomachine using the selected test gas; identifying at least one parameter while operating the turbomachine; establishing at least one test parameter associated with the at least one parameter; and comparing the at least one test parameter with a corresponding at least one specified parameter to determine whether the turbomachine has passed the similitude test.
Claims10
A method for similitude testing of a turbomachine, the method comprising:
- selecting a test gas having a molecular weight between 40 g/gmol and 150 g/gmol, a global warming potential (GWP) of less than 700, and a gas specific heat ratio of between 1 and 1.5;
- operating the turbomachine using the selected test gas;
- identifying at least one parameter while operating the turbomachine;
- establishing at least one test parameter associated with the at least one parameter;
- and
- comparing the at least one test parameter with a corresponding at least one specified parameter to determine whether the turbomachine has passed the similitude test.
A test system for a turbomachine, the system comprising:
- at least one sensor configured to measure at least one parameter while operating the turbomachine;
- a processor configured to calculate at least one test parameter associated with the at least one measured parameter and to compare the at least one calculated test parameter with a corresponding at least one specified parameter to determine whether the turbomachine has passed the similitude test, wherein the turbomachine is operated using a selected test gas, the selected test gas having a molecular weight between 40 g/gmol and 150 g/gmol, a global warming potential (GWP) of less than 700, and a gas specific heat ratio of between 1 and 1.5.
A turbomachine made using a similitude testing method, including:
- selecting a test gas having a molecular weight between 40 g/gmol and 150 g/gmol, a global warming potential (GWP) of less than 700, and a gas specific heat ratio of between 1 and 1.5;
- operating the turbomachine using the selected test gas;
- detecting at least one parameter while operating the turbomachine;
- establishing at least one test parameter associated with the at least one parameter;
- and
- comparing the at least one test parameter with a corresponding at least one specified parameter to determine whether the turbomachine has passed the similitude test.
Dependencies are inferred from the claim text.