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• Uncategorized

  Prompt NOx, fuel NOx and thermal NOx: The DLE strategy

  NOx is a generic term for the oxides of nitrogen, NO and NO2. All that is required to form NOx is to bring air to very high temperature, ...

  On February 24, 2020 / By TMI Staff & Contributors
• Compressors

  How an emergency shutdown can trigger surge

  In the event of an Emergency Shut Down (ESD) initiation, the fuel supply to the gas turbine, or the electric power to the electric motor are instantaneously shut ...

  On February 22, 2020 / By Klaus Brun & Rainer Kurz
• 

  Auxiliaries

  A case study in dry gas seal troubleshooting

  It is important to distinguish the difference between alarms and trips in the dry gas seal monitoring and control system. Alarms trigger an alert that a condition outside ...

  On February 20, 2020 / By TMI Staff & Contributors
• 

  Auxiliaries

  Single seals for caustic environment in pumps

  Pumps in petrochemicals have to often deal with a caustic environment. Since caustics are pure solids, caustic solutions will form crystals as the liquid is evaporated and the ...

  On February 16, 2020 / By TMI Staff & Contributors
• Auxiliaries

  Applying additive manufacturing to oil and gas

  Additive Manufacturing and 3D Printing refers to manufacturing process that creates a three-dimensional object through a series of “addition-material” operations, following the dimensions of a digital 3D model. ...

  On February 9, 2020 / By TMI Staff & Contributors
• Gas Turbines

  In turbomachinery, GE likely a pure play gas turbine firm

  The business press has been reporting that GE’s steam turbine business is on the block. If the OEM does find an appropriate buyer it would mean the most ...

  On February 5, 2020 / By Kalyan
• Gas Turbines

  What inlet cooling can or cannot do

  On hot days, the gas turbine output can reduce 10-20%. Typically, every 1 oF rise of ambient air temperature reduces the gas turbine output by approximately 0.3 to ...

  On January 31, 2020 / By TMI Staff & Contributors
• Gas Turbines

  F-class failures and their mitigation

  In a presentation at Power Gen International, John P Molloy, principal engineer at M&M Engineering, a Division of Acuren Inspection, said F-class gas turbines have faced multiple long-term ...

  On January 29, 2020 / By TMI Staff & Contributors
• Steam Turbines

  Steam turbine heat rate upgrades: Big bang for fewer bucks

  There are various upgrades available to reduce steam turbine heat rate. Some come at a high cost but also deliver much savings. But some require little investment but ...

  On January 27, 2020 / By TMI Staff & Contributors
• Auxiliaries

  Seal face materials and their applications

  Seal face materials have different properties are chosen based on the application. A tutorial by Brian Kalfrin, Jack Bagain of John Crane at the 2017 Turbomachinery & Pump ...

  On January 24, 2020 / By TMI Staff & Contributors