What Flow Dividers Do – Combined Cycle Journal

What Flow Dividers Do

Flow dividers are used on gas turbines to maintain equal flows of liquid fuel to all combustors. They are passive devices that derive their motive power from the energy contained in the fuel delivered by the main fuel pump. Although designs and layouts vary, the fundamental principle of flow-divider operation is the same.

Flow dividers are little more than an array of virtually identical, high-precision, spur-gear hydraulic motors (think of them as flow elements) that are mechanically coupled to run at equal rotational speeds. When liquid fuel enters the flow divider, it simultaneously exerts a pressure on the inlet side of all these hydraulic motors, which causes them to rotate and meter oil at virtually identical discharge rates.

To maintain relatively equal discharge flows under varying pressure conditions, the running clearances inside each flow element must be extremely small. This characteristic also makes flow dividers very susceptible to fouling if particulate matter is allowed to enter the clearance areas. Particles larger than about 20 microns must be filtered out.

Flow-dividers

Certain non-particulate fuel impurities that cannot be filtered out are another potential source of problems. Liquid fuels may contain various corrosion-causing contaminants—water is most common—capable of attacking materials that many legacy flow dividers traditionally were made from—such as cast iron. Water corrodes the cast iron and the resulting iron oxides can quickly consume the small clearances between the gears and housings and prevent their rotation.

New flow dividers have for many years been made of aluminum bronze or a similar material to assure top performance and long life. At least one manufacturer supports a program aimed at improving the reliability of legacy equipment with corrosion-resistant replacement parts.

perihoki perihoki perihoki perihoki perihoki duta76 duta76 duta76 duta76 duta76 All in mahjong jalan menuju keuntungan Bermain tenang untuk jackpot berlapis Cara menjaga ritme menang terus Pak satria taklukan hambatan hidup lewat mahjong Pola mahjong bukan sekedar tebakan All in dengan hati matang menuju scatter hitam Dari nol ke maxwin dalam tujuh putaran Mahjong all in jadi titik balik finansial Mahjong membuka karier programmer Menggandakan peluang lewat spin bertingkat Modal bisnis dari spin mahjong Putaran mahjong berujung pada scatter beruntun Rasa lega saat all in membuka jalan scatter Dari scatter hitam ke hadiah besar Mahjong sumber kedua penghasilan dokter ternama Peluang emas yang jarang terulang mahjong ways Pemain pilih mahjong saat malam Pola spin gila memaksa hasil mengucur tanpa henti Scatter hitam membuka jalan cepat pemula meraih kemenangan Scatter hitam senjata rahasia mahjong ways Spin dewa memaksa scatter hitam turun Saat pikiran tenang all in jadi langkah besar Spin cepat jarang bantu strategi panjang Spin mastery mengubah putaran jadi peluang Spin murah tak lagi disepelekan setelah buka kunci scatter hitam Teknik profesional menang semua sesi Spin berlapis menarik scatter hitam Spin santai mengundang scatter hitam Spin penuh aksi memperlihatkan scatter hitam terus mengalir Teknik medapatkan hasil besar dari spin pertama
Scroll to Top