A combustor for a turbine engine , comprising: a first liner having a first hot side and a first cold side ; a second liner having a second hot side and a second cold side, the second hot side and the first hot side forming a combustion chamber therebetween, the combustion chamber configured to receive an air-fuel mixture for combustion therein; and an insert comprising a body portion extending through the first liner and terminating at a tip , the body portion being generally tubular and configured to direct a jet of air flow into the combustion chamber , the insert further including a cooling hole defined in the body portion configured to direct a first portion of the jet of air flow toward the tip as cooling air. wherein the body portion has an interior surface and an exterior surface , the cooling hole extending from the interior surface to the exterior surface , and wherein the tubular body portion has a longitudional axis and wherein the first liner is a single walled liner characterized in that ; - the body portion includes an inlet portion opposite the tip , the inlet portion being flared to guide air into the insert , - the cooling hole is at least partially defined in the exterior surface of the body portion at the tip , - the cooling hole extends from an inlet on the interior surface to an outlet on the exterior surface at an angle ; and - the angle is being defined at the outlet relative to the external surface . a first liner having a first hot side and a first cold side ; a second liner having a second hot side and a second cold side, the second hot side and the first hot side forming a combustion chamber therebetween, the combustion chamber configured to receive an air-fuel mixture for combustion therein; and an insert comprising a body portion extending through the first liner and terminating at a tip , the body portion being generally tubular and configured to direct a jet of air flow into the combustion chamber , the insert further including a cooling hole defined in the body portion configured to direct a first portion of the jet of air flow toward the tip as cooling air. wherein the body portion has an interior surface and an exterior surface , the cooling hole extending from the interior surface to the exterior surface , and wherein the tubular body portion has a longitudional axis and wherein the first liner is a single walled liner characterized in that ; - the body portion includes an inlet portion opposite the tip , the inlet portion being flared to guide air into the insert , - the cooling hole is at least partially defined in the exterior surface of the body portion at the tip , - the cooling hole extends from an inlet on the interior surface to an outlet on the exterior surface at an angle ; and - the angle is being defined at the outlet relative to the external surface . - the body portion includes an inlet portion opposite the tip , the inlet portion being flared to guide air into the insert , - the cooling hole is at least partially defined in the exterior surface of the body portion at the tip , - the cooling hole extends from an inlet on the interior surface to an outlet on the exterior surface at an angle ; and - the angle is being defined at the outlet relative to the external surface . <EOS>