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Greetings Dear Members ,

I would like to ask your opinion about Ship Main Engine Auxiliary Blower Vibration analysis .This Blower Motor monitored by online wireless tri-axial Vibration sensor and we have been monitoring this ships equipment from the shore .

We  have observed a high Vibration trend on this Blower Motor and observed dominant 1XR.P.M Peak .We suggested them to open and check for Unbalance / impeller fouling .

Please find the below attached images for your reference .Recently

they opened the equipment and send the following images .

Hi

So, what opinion exactly are you seeking?

If you analyzed well? or if the impeller looks wrong?

Greetings Dear Members ,

I would like to ask your opinion about Ship Main Engine Auxiliary Blower Vibration analysis .This Blower Motor monitored by online wireless tri-axial Vibration sensor and we have been monitoring this ships equipment from the shore .

We  have observed a high Vibration trend on this Blower Motor and observed dominant 1XR.P.M Peak .We suggested them to open and check for Unbalance / impeller fouling .

Please find the below attached images for your reference .Recently

they opened the equipment and send the following images .

Greetings Dear Members ,

I would like to ask your opinion about Ship Main Engine Auxiliary Blower Vibration analysis .This Blower Motor monitored by online wireless tri-axial Vibration sensor and we have been monitoring this ships equipment from the shore .

We  have observed a high Vibration trend on this Blower Motor and observed dominant 1XR.P.M Peak .We suggested them to open and check for Unbalance / impeller fouling .

Please find the below attached images for your reference .Recently

they opened the equipment and send the following images .

Hi Kishore,

Agree with the other two posters its not clear what you're asking but as you assume its impeller imbalance at a 1xRPM.

In terms of sources of fouling:

 - depends how long you've been monitoring/took the contract but could be general cleanliness/build up - if the blower has ever been cleaned this would likely have been at dry-dock.  If it is indeed the vessel named on the VA plot, this would have probably been 3 - 4 years ago at her second special survey docking.  ANy issues with engine room ventilation/pressure?  When was the last time the blower was cleaned or replaced?

 - this could also be carbon build up - unlikely as the air flow is the wrong way but dont rule it out.  What are the results of the last scavenge space/under piston inspections, how is the liner/piston ring condition?  Cylinder lubrication?  Looking for indications of combustin gas blow-by,

Any more information/a clearer question would be really helpful.

Gareth

------------------------------
Gareth Ward
Chartered Engineer
Enthusiast of all things Asset Management

Original Message:
Sent: 01-11-2024 23:03
From: kishore kumar agguna
Subject: Main Engine Auxiliary Blower Vibration Analysis

Greetings Dear Members ,

I would like to ask your opinion about Ship Main Engine Auxiliary Blower Vibration analysis .This Blower Motor monitored by online wireless tri-axial Vibration sensor and we have been monitoring this ships equipment from the shore .

We  have observed a high Vibration trend on this Blower Motor and observed dominant 1XR.P.M Peak .We suggested them to open and check for Unbalance / impeller fouling .

Please find the below attached images for your reference .Recently

they opened the equipment and send the following images .

------------------------------
kishore kumar agguna
------------------------------

Good Day Sir ,

Well noted your feedback .

We suggested them to clean and assemble the blower , as you know it is not possible to balance the impeller onsite ( that can be only done while Vessel dry-dock) .

Is this kind of depositions on Main Engine Auxiliary impeller is indicating any issues with the Scavenging air passage issues .

When ever we suggest about any checks , they said found no issues ( even in this case also ) .As we know this kind of deposition on impeller could cause impeller unbalance .

I will update about current Vibration trend , once we receive the data from the vessel .

------------------------------
kishore kumar agguna

Original Message:
Sent: 01-14-2024 16:59
From: Gareth Ward
Subject: Main Engine Auxiliary Blower Vibration Analysis

Hi Kishore,

Agree with the other two posters its not clear what you're asking but as you assume its impeller imbalance at a 1xRPM.

In terms of sources of fouling:

 - depends how long you've been monitoring/took the contract but could be general cleanliness/build up - if the blower has ever been cleaned this would likely have been at dry-dock.  If it is indeed the vessel named on the VA plot, this would have probably been 3 - 4 years ago at her second special survey docking.  ANy issues with engine room ventilation/pressure?  When was the last time the blower was cleaned or replaced?

 - this could also be carbon build up - unlikely as the air flow is the wrong way but dont rule it out.  What are the results of the last scavenge space/under piston inspections, how is the liner/piston ring condition?  Cylinder lubrication?  Looking for indications of combustin gas blow-by,

Any more information/a clearer question would be really helpful.

Gareth

------------------------------
Gareth Ward
Chartered Engineer
Enthusiast of all things Asset Management

Original Message:
Sent: 01-11-2024 23:03
From: kishore kumar agguna
Subject: Main Engine Auxiliary Blower Vibration Analysis

Greetings Dear Members ,

I would like to ask your opinion about Ship Main Engine Auxiliary Blower Vibration analysis .This Blower Motor monitored by online wireless tri-axial Vibration sensor and we have been monitoring this ships equipment from the shore .

We  have observed a high Vibration trend on this Blower Motor and observed dominant 1XR.P.M Peak .We suggested them to open and check for Unbalance / impeller fouling .

Please find the below attached images for your reference .Recently

they opened the equipment and send the following images .

------------------------------
kishore kumar agguna
------------------------------

Greetings Dear Members ,

I would like to ask your opinion about Ship Main Engine Auxiliary Blower Vibration analysis .This Blower Motor monitored by online wireless tri-axial Vibration sensor and we have been monitoring this ships equipment from the shore .

We  have observed a high Vibration trend on this Blower Motor and observed dominant 1XR.P.M Peak .We suggested them to open and check for Unbalance / impeller fouling .

Please find the below attached images for your reference .Recently

they opened the equipment and send the following images .

I think the trend data will be valuable. Did it suddenly increase - some sort of "damage" or incident, or did it trend up - fouling or blockage.

Greetings Dear Members ,

I would like to ask your opinion about Ship Main Engine Auxiliary Blower Vibration analysis .This Blower Motor monitored by online wireless tri-axial Vibration sensor and we have been monitoring this ships equipment from the shore .

We  have observed a high Vibration trend on this Blower Motor and observed dominant 1XR.P.M Peak .We suggested them to open and check for Unbalance / impeller fouling .

Please find the below attached images for your reference .Recently

they opened the equipment and send the following images .

Good Day ,

Sir .

This equipment trend is in alert since a month and we have been sending alert report to check this Blower .Recently the have opened and send this pictures , we have not received updated Vibration data yet after assembly .

I think the trend data will be valuable. Did it suddenly increase - some sort of "damage" or incident, or did it trend up - fouling or blockage.

Greetings Dear Members ,

I would like to ask your opinion about Ship Main Engine Auxiliary Blower Vibration analysis .This Blower Motor monitored by online wireless tri-axial Vibration sensor and we have been monitoring this ships equipment from the shore .

We  have observed a high Vibration trend on this Blower Motor and observed dominant 1XR.P.M Peak .We suggested them to open and check for Unbalance / impeller fouling .

Please find the below attached images for your reference .Recently

they opened the equipment and send the following images .

Good Day ,

Sir .

This equipment trend is in alert since a month and we have been sending alert report to check this Blower .Recently the have opened and send this pictures , we have not received updated Vibration data yet after assembly .

I think the trend data will be valuable. Did it suddenly increase - some sort of "damage" or incident, or did it trend up - fouling or blockage.

Greetings Dear Members ,

I would like to ask your opinion about Ship Main Engine Auxiliary Blower Vibration analysis .This Blower Motor monitored by online wireless tri-axial Vibration sensor and we have been monitoring this ships equipment from the shore .

We  have observed a high Vibration trend on this Blower Motor and observed dominant 1XR.P.M Peak .We suggested them to open and check for Unbalance / impeller fouling .

Please find the below attached images for your reference .Recently

they opened the equipment and send the following images .

I think the trend data will be valuable. Did it suddenly increase - some sort of "damage" or incident, or did it trend up - fouling or blockage.

Greetings Dear Members ,

I would like to ask your opinion about Ship Main Engine Auxiliary Blower Vibration analysis .This Blower Motor monitored by online wireless tri-axial Vibration sensor and we have been monitoring this ships equipment from the shore .

We  have observed a high Vibration trend on this Blower Motor and observed dominant 1XR.P.M Peak .We suggested them to open and check for Unbalance / impeller fouling .

Please find the below attached images for your reference .Recently

they opened the equipment and send the following images .

Greetings Dear Members ,

I would like to ask your opinion about Ship Main Engine Auxiliary Blower Vibration analysis .This Blower Motor monitored by online wireless tri-axial Vibration sensor and we have been monitoring this ships equipment from the shore .

We  have observed a high Vibration trend on this Blower Motor and observed dominant 1XR.P.M Peak .We suggested them to open and check for Unbalance / impeller fouling .

Please find the below attached images for your reference .Recently

they opened the equipment and send the following images .

Bearing in mind the opinions of other contributors, more information is required (including the absolute vibration trend) to better analyse the concern raised. I could understand how it feels to learn that no problem was found after giving professional advice. In my journey in the field of rotating equipment condition monitoring, I have come across numerous instances where high 1x amplitude vibrations were caused by foot related issues. I will suggest carrying out proper soft-foot checks and thorough inspection of the skid/pedestal upon which the unit is mounted. Consider motion amplification technology to visualise the vibration if the problem persists.

Greetings Dear Members ,

I would like to ask your opinion about Ship Main Engine Auxiliary Blower Vibration analysis .This Blower Motor monitored by online wireless tri-axial Vibration sensor and we have been monitoring this ships equipment from the shore .

We  have observed a high Vibration trend on this Blower Motor and observed dominant 1XR.P.M Peak .We suggested them to open and check for Unbalance / impeller fouling .

Please find the below attached images for your reference .Recently

they opened the equipment and send the following images .

Bearing in mind the opinions of other contributors, more information is required (including the absolute vibration trend) to better analyse the concern raised. I could understand how it feels to learn that no problem was found after giving professional advice. In my journey in the field of rotating equipment condition monitoring, I have come across numerous instances where high 1x amplitude vibrations were caused by foot related issues. I will suggest carrying out proper soft-foot checks and thorough inspection of the skid/pedestal upon which the unit is mounted. Consider motion amplification technology to visualise the vibration if the problem persists.

Greetings Dear Members ,

I would like to ask your opinion about Ship Main Engine Auxiliary Blower Vibration analysis .This Blower Motor monitored by online wireless tri-axial Vibration sensor and we have been monitoring this ships equipment from the shore .

We  have observed a high Vibration trend on this Blower Motor and observed dominant 1XR.P.M Peak .We suggested them to open and check for Unbalance / impeller fouling .

Please find the below attached images for your reference .Recently

they opened the equipment and send the following images .

Greetings Dear Members ,

I would like to ask your opinion about Ship Main Engine Auxiliary Blower Vibration analysis .This Blower Motor monitored by online wireless tri-axial Vibration sensor and we have been monitoring this ships equipment from the shore .

We  have observed a high Vibration trend on this Blower Motor and observed dominant 1XR.P.M Peak .We suggested them to open and check for Unbalance / impeller fouling .

Please find the below attached images for your reference .Recently

they opened the equipment and send the following images .

Greetings Dear Members ,

I would like to ask your opinion about Ship Main Engine Auxiliary Blower Vibration analysis .This Blower Motor monitored by online wireless tri-axial Vibration sensor and we have been monitoring this ships equipment from the shore .

We  have observed a high Vibration trend on this Blower Motor and observed dominant 1XR.P.M Peak .We suggested them to open and check for Unbalance / impeller fouling .

Please find the below attached images for your reference .Recently

they opened the equipment and send the following images .

Greetings Dear Members ,

I would like to ask your opinion about Ship Main Engine Auxiliary Blower Vibration analysis .This Blower Motor monitored by online wireless tri-axial Vibration sensor and we have been monitoring this ships equipment from the shore .

We  have observed a high Vibration trend on this Blower Motor and observed dominant 1XR.P.M Peak .We suggested them to open and check for Unbalance / impeller fouling .

Please find the below attached images for your reference .Recently

they opened the equipment and send the following images .

Greetings Dear Members ,

I would like to ask your opinion about Ship Main Engine Auxiliary Blower Vibration analysis .This Blower Motor monitored by online wireless tri-axial Vibration sensor and we have been monitoring this ships equipment from the shore .

We  have observed a high Vibration trend on this Blower Motor and observed dominant 1XR.P.M Peak .We suggested them to open and check for Unbalance / impeller fouling .

Please find the below attached images for your reference .Recently

they opened the equipment and send the following images .

kishore,

I just noticed your motor is a 2 pole 3000 rpm speed.

Please see the attached doc file.

Thanks, Ralph

Greetings Dear Members ,

I would like to ask your opinion about Ship Main Engine Auxiliary Blower Vibration analysis .This Blower Motor monitored by online wireless tri-axial Vibration sensor and we have been monitoring this ships equipment from the shore .

We  have observed a high Vibration trend on this Blower Motor and observed dominant 1XR.P.M Peak .We suggested them to open and check for Unbalance / impeller fouling .

Please find the below attached images for your reference .Recently

they opened the equipment and send the following images .

Well Noted , Thank you .

kishore,

I just noticed your motor is a 2 pole 3000 rpm speed.

Please see the attached doc file.

Thanks, Ralph

Greetings Dear Members ,

I would like to ask your opinion about Ship Main Engine Auxiliary Blower Vibration analysis .This Blower Motor monitored by online wireless tri-axial Vibration sensor and we have been monitoring this ships equipment from the shore .

We  have observed a high Vibration trend on this Blower Motor and observed dominant 1XR.P.M Peak .We suggested them to open and check for Unbalance / impeller fouling .

Please find the below attached images for your reference .Recently

they opened the equipment and send the following images .

kishore kumar agguna

Have you been able to obtain data with higher resolution to confirm there is not an electrical problem with the motor?

Thanks

Well Noted , Thank you .

kishore,

I just noticed your motor is a 2 pole 3000 rpm speed.

Please see the attached doc file.

Thanks, Ralph

Greetings Dear Members ,

I would like to ask your opinion about Ship Main Engine Auxiliary Blower Vibration analysis .This Blower Motor monitored by online wireless tri-axial Vibration sensor and we have been monitoring this ships equipment from the shore .

We  have observed a high Vibration trend on this Blower Motor and observed dominant 1XR.P.M Peak .We suggested them to open and check for Unbalance / impeller fouling .

Please find the below attached images for your reference .Recently

they opened the equipment and send the following images .

Good Day ,

Ralph Stewart .

Please refer the attached images for your reference

kishore kumar agguna

Have you been able to obtain data with higher resolution to confirm there is not an electrical problem with the motor?

Thanks

Well Noted , Thank you .

kishore,

I just noticed your motor is a 2 pole 3000 rpm speed.

Please see the attached doc file.

Thanks, Ralph

Greetings Dear Members ,

I would like to ask your opinion about Ship Main Engine Auxiliary Blower Vibration analysis .This Blower Motor monitored by online wireless tri-axial Vibration sensor and we have been monitoring this ships equipment from the shore .

We  have observed a high Vibration trend on this Blower Motor and observed dominant 1XR.P.M Peak .We suggested them to open and check for Unbalance / impeller fouling .

Please find the below attached images for your reference .Recently

they opened the equipment and send the following images .

Greetings Dear Members ,

I would like to ask your opinion about Ship Main Engine Auxiliary Blower Vibration analysis .This Blower Motor monitored by online wireless tri-axial Vibration sensor and we have been monitoring this ships equipment from the shore .

We  have observed a high Vibration trend on this Blower Motor and observed dominant 1XR.P.M Peak .We suggested them to open and check for Unbalance / impeller fouling .

Please find the below attached images for your reference .Recently

they opened the equipment and send the following images .