A combustion system configured for continuous detonation combustion, comprising: a combustion chamber configured to contain therein a rotating continuous detonation wave, said combustion chamber being a walled annular chamber; and a first fluid diode configured to supply a fluid into the combustion chamber and positioned flow-wise upstream of the combustion chamber, including a first rotating diode structure and a second rotating fluid diode structure; and wherein the first fluid diode is configured to form, with the first diode structure and the second diode structure, during operation of the combustion system: a first rotating region rotating at a speed that is the same as a speed of the rotating continuous detonation wave, wherein the first rotating region has a first flow area through the first fluid diode; and wherein the first rotating region is positioned adjacent to the rotating continuous detonation wave at a higher pressure zone of the rotating continuous detonation wave; and a second rotating region rotating about the combustion chamber at the same speed as the rotating continuous detonation wave, wherein the second rotating region has a second flow area through the first fluid diode of a greater magnitude than a magnitude of the first flow area; and wherein the second rotating region is positioned adjacent to a lower pressure zone circumferentially of the rotating continuous detonation wave downstream of the higher pressure zone; the combustion system characterized in that it further comprises a second fluid diode configured to introduce a second fluid into the combustion chamber in the lower pressure zone circumferentially downstream of a leading portion of the lower pressure zone. a combustion chamber configured to contain therein a rotating continuous detonation wave, said combustion chamber being a walled annular chamber; and a first fluid diode configured to supply a fluid into the combustion chamber and positioned flow-wise upstream of the combustion chamber, including a first rotating diode structure and a second rotating fluid diode structure; and wherein the first fluid diode is configured to form, with the first diode structure and the second diode structure, during operation of the combustion system: a first rotating region rotating at a speed that is the same as a speed of the rotating continuous detonation wave, wherein the first rotating region has a first flow area through the first fluid diode; and wherein the first rotating region is positioned adjacent to the rotating continuous detonation wave at a higher pressure zone of the rotating continuous detonation wave; and a second rotating region rotating about the combustion chamber at the same speed as the rotating continuous detonation wave, wherein the second rotating region has a second flow area through the first fluid diode of a greater magnitude than a magnitude of the first flow area; and wherein the second rotating region is positioned adjacent to a lower pressure zone circumferentially of the rotating continuous detonation wave downstream of the higher pressure zone; a first rotating region rotating at a speed that is the same as a speed of the rotating continuous detonation wave, wherein the first rotating region has a first flow area through the first fluid diode; and wherein the first rotating region is positioned adjacent to the rotating continuous detonation wave at a higher pressure zone of the rotating continuous detonation wave; and a second rotating region rotating about the combustion chamber at the same speed as the rotating continuous detonation wave, wherein the second rotating region has a second flow area through the first fluid diode of a greater magnitude than a magnitude of the first flow area; and wherein the second rotating region is positioned adjacent to a lower pressure zone circumferentially of the rotating continuous detonation wave downstream of the higher pressure zone; the combustion system characterized in that it further comprises a second fluid diode configured to introduce a second fluid into the combustion chamber in the lower pressure zone circumferentially downstream of a leading portion of the lower pressure zone.