A turbomachine passage cleaning system includes a first airflow passage having a first inlet configured and disposed to fluidly connect to a compressor portion, a first outlet configured and disposed to fluidly connect to a turbine portion, and a first intermediate portion including a first strainer
A turbomachine passage cleaning system includes a first airflow passage having a first inlet configured and disposed to fluidly connect to a compressor portion, a first outlet configured and disposed to fluidly connect to a turbine portion, and a first intermediate portion including a first strainer. A second airflow passage is fluidly coupled to the first airflow passage. The second airflow passage has a second intermediate portion having second strainer. A first valve is arranged in the first intermediate portion upstream from the first strainer, and a second valve is arranged in the second intermediate portion upstream from the second strainer. The first and second valves are selectively operated to control fluid flow into respective ones of the first and second airflow passages to filter air passing from a turbomachine compressor portion to a turbomachine turbine portion.
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1. A turbomachine passage cleaning system comprising: a first airflow passage having a first inlet configured and disposed to fluidly connect to a compressor portion, a first outlet configured and disposed to fluidly connect to a turbine portion, and a first intermediate portion that extends between
1. A turbomachine passage cleaning system comprising: a first airflow passage having a first inlet configured and disposed to fluidly connect to a compressor portion, a first outlet configured and disposed to fluidly connect to a turbine portion, and a first intermediate portion that extends between the first inlet and the first outlet;a first strainer arranged in the first intermediate portion;a second airflow passage fluidly coupled to the first airflow passage, the second airflow passage having a second inlet arranged upstream of the first inlet, a second outlet arranged downstream of the first outlet, and a second intermediate portion that extends between the second inlet and the second outlet;a second strainer arranged in the second intermediate portion;a first valve arranged in the first intermediate portion upstream from the first strainer and downstream from the first inlet;a second valve arranged in the second intermediate portion upstream from the second strainer and downstream from the second inlet, the first and second valves being selectively operated to control fluid flow into respective ones of the first and second airflow passages to filter air passing from a turbomachine compressor portion to a turbomachine turbine portion; anda steam injection system selectively fluidly coupled to one of the first and second airflow passages through a valve arraged downstream of the first and second strainers, the steam injection system delivering a flow of steam through the one of the first and second airflow passages toward a turbine portion of the turbomachine. 2. The turbomachine passage cleaning system according to claim 1, further comprising: a first sensor arranged downstream of the first strainer, the first sensor being configured to sense a flow from the first strainer and provide a first flow signal. 3. The turbomachine passage cleaning system according to claim 2, further comprising: a second sensor arranged downstream of the second strainer, the second sensor being configured to sense a flow from the second strainer and provide a second flow signal. 4. The turbomachine passage cleaning system according to claim 3, further comprising: a controller operatively connected to each of the first valve, the second valve, the first sensor and the second sensor, the controller being programmed to selectively operate the first and second valves based on one or more of the first and second flow signals. 5. The turbomachine passage cleaning system according to claim 4, further comprising: a third sensor arranged upstream of the first strainer, the third sensor being configured and disposed to sense a flow into the first strainer. 6. The turbomachine passage cleaning system according to claim 5, further comprising: a fourth sensor arranged upstream of the second strainer, the fourth sensor being configured and disposed to sense a flow into the second strainer. 7. The turbomachine passage cleaning system according to claim 6, wherein the controller is operatively connected to each of the third and fourth sensors, the controller being programmed to determine a status of each of the first and second strainers based on signals from the first, second. third, and fourth sensors. 8. The turbomachine passage cleaning system according to claim 1, further comprising: a controller operatively connected to the steam injection system, the controller being programmed to selectively close each of the first and second valves and activate the steam injection system. 9. A method of filtering an airflow passing from a compressor portion toward a turbine portion in a turbomachine, the method comprising: guiding the airflow into a first airflow passage fluidly connecting the compressor portion and the turbine portion;passing the airflow through a first strainer arranged in the first airflow passage;sensing the airflow through the first strainer;closing a first valve to discontinue airflow through the first airflow passage when airflow through the first strainer is at a first predetermined rate;opening a second valve to divert the airflow into a second airflow passage fluidly connecting the compressor portion and the turbine portion;passing the airflow through a second strainer arranged in the second airflow passage; andselectively guiding a steam flow through one of the first and second airflow passages toward the turbine portion. 10. The method of claim 9, further comprising: sensing the airflow through the second strainer. 11. The method of claim 10, further comprising: closing the second valve and opening the first valve when the airflow through the second strainer is at a second predetermined rate. 12. A turbomachine comprising: a compressor portion;a turbine portion mechanically linked to the compressor portion;a compressor assembly fluidly connected to the compressor portion and the turbine portion; anda turbomachine passage cleaning system fluidly connected between the compressor portion and the turbine portion, the turbomachine passage cleaning system comprising: a first airflow passage having a first inlet configured and disposed to fluidly connect to a compressor portion, a first outlet configured and disposed to fluidly connect to a turbine portion, and a first intermediate portion that extends between the first inlet and the first outlet;a first strainer arranged in the first intermediate portion;a second airflow passage fluidly coupled to the first airflow passage, the second airflow passage having a second inlet arranged upstream of the first inlet, a second outlet arranged downstream of the first outlet, and a second intermediate portion that extends between the second inlet and the second outlet;a second strainer arranged in the second intermediate portion;a first valve arranged in the first intermediate portion upstream from the first strainer and downstream from the first inlet;a second valve arranged in the second intermediate portion upstream from the second strainer and downstream from the second inlet, the first and second valves being selectable operated to control fluid flow into respective ones of the first and second airflow passages to filter air passing from a turbomachine compressor portion to a turbomachine turbine portion; anda steam injection system selectively fluidly coupled to one of the first and second airflow passages through a valve arranged downstream of the first and second strainers, the steam injection system delivering a flow of steam through the one of the first and second airflow passages toward a turbine portion of the turbomachine. 13. The turbomachine according to claim 12, further comprising: a first sensor arranged downstream of the first strainer, the first sensor being configured to sense a flow from the first strainer and provide a first flow signal; anda second sensor arranged downstream of the second strainer, the second sensor being configured to sense a flow from the second strainer and provide a second flow signal. 14. The turbomachine according to claim 13, further comprising: a controller operatively connected to each of the first valve, the second valve, the first sensor and the second sensor, the controller being programmed to selectively operate the first and second valves based on one or more of the first and second flow signals. 15. The turbomachine passage cleaning system according to claim 14, further comprising: a third sensor arranged upstream of the first strainer, the third sensor being configured and disposed to sense a flow into the first strainer. 16. The turbomachine according to claim 15, further comprising: a fourth sensor arranged upstream of the second strainer, the fourth sensor being configured and disposed to sense a flow into the second strainer, wherein the controller is operatively connected to each of the first, second, third and fourth sensors, the controller being programmed to determine a status of each of the first and second strainers based in the first and third, and the second and fourth flow signals respectively. 17. The turbomachine according to claim 12, further comprising: a controller operatively connected to the steam injection system and programmed to selectively close each of the first and second valves and activate the steam injection system.
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