| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To prevent the deterioration of the durability of a combustion cylinder caused by heat by holding flame at a proper position in the combustion cylinder. <P>SOLUTION: The gas turbine combustor has the combustion cylinder 2, a premixing tube 3, and a pressure fuel injection system 4. The peripheral wall 6 of the premixing tube has a hole 8 in the tangential direction, and an inner wall 9 is formed while leaving a space S at the peripheral wall. Compressed air in the space turns into a swirl flow. Compressed air supplied into the inner wall and injected fuel form a straight advancing flow having a predetermined sectional area of a passage in the inner wall without adversely being affected by the swirl flow, and burnt in the heat cylinder via a projecting wall 7. The flame is kept stably in a position away from the top of the combustion cylinder, and the combustion cylinder does not overheat and the durability improves. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
