Bulkhead for air data probe
A bulkhead for an air data probe includes an upstream end, a downstream end, and an upstream portion extending from the upstream end. The upstream portion includes an exterior surface, a first plurality of walls extending radially outward from the exterior surface of the upstream portion, a first pad extending radially outward from the exterior surface of the upstream portion, and a first plurality of channels formed between one or more of the first plurality of walls and the first pad. The first plurality of channels are configured to receive a wire heater.
1 . A bulkhead for an air data probe, the bulkhead comprising:
an upstream end positioned near a probe head of the air data probe, wherein the probe head is configured to be positioned to receive ambient air;
a downstream end positioned axially downstream of the upstream end; and
an upstream portion extending axially away from the upstream end of the bulkhead, wherein the upstream portion further comprises:
an exterior surface;
a first plurality of walls extending radially outward from the exterior surface of the upstream portion;
a first pad extending radially outward from the exterior surface of the upstream portion; and
a first plurality of channels formed between one or more of the first plurality of walls and the first pad, wherein the first plurality of channels are configured to receive a wire heater.
2 . The bulkhead of claim 1 , wherein upstream portion further comprises:
a second pad extending radially outward from the exterior surface of the upstream portion;
wherein the first pad is positioned on a first side of the upstream portion; and
wherein the second pad is positioned on a second side of the upstream portion that is opposite the first side.
3 . The bulkhead of claim 2 , wherein the first plurality of walls includes:
a first wall positioned adjacent to the second pad;
a second wall positioned adjacent to the first pad;
a third wall positioned between the first wall and the first pad; and
a fourth wall positioned between the second wall and the second pad.
4 . The bulkhead of claim 3 , wherein:
the first wall is an L-shaped wall;
the second wall is an L-shaped wall;
the third wall is a U-shaped wall; and
the fourth wall is a U-shaped wall.
5 . The bulkhead of claim 3 , wherein the first plurality of channels further comprises:
a first channel formed between the first wall, the third wall, and the first pad, wherein the first channel is configured to receive a first length of the wire heater; and
a second channel formed between the second wall, the fourth wall, and the second pad, wherein the second channel is configured to receive a second length of the wire heater.
6 . The bulkhead of claim 1 , and further comprising:
a middle portion extending from the upstream portion;
a downstream portion extending from the middle portion to the downstream end; and
a passthrough extending from the upstream end to the downstream end through the upstream portion, the middle portion, and the downstream portion.
7 . The bulkhead of claim 6 , wherein an outer diameter of the middle portion is smaller than an outer diameter of the upstream portion.
8 . The bulkhead of claim 6 , wherein the downstream portion further comprises:
an exterior surface;
a second plurality of walls extending radially outward from the exterior surface of the downstream portion; and
a second plurality of channels formed between the second plurality of walls,
wherein the second plurality of channels are configured to receive a wire heater.
9 . The bulkhead of claim 8 , wherein the second plurality of walls further comprises:
a fifth wall positioned on a first side of the downstream portion;
a sixth wall positioned on a second side of the downstream portion that is opposite the first side;
a seventh wall positioned adjacent to the fifth wall; and
an eighth wall positioned adjacent to the sixth wall.
10 . The bulkhead of claim 9 , wherein:
the fifth wall is a curved wall;
the sixth wall is a curved wall;
the seventh wall is a ramped wall; and
the eighth wall is a ramped wall.
11 . The bulkhead of claim 9 , wherein the second plurality of channels further comprises:
a third channel formed between the fifth wall and the seventh wall, wherein the third channel is configured to receive a third length of the wire heater; and
a fourth channel formed between the sixth wall and the eighth wall, wherein the fourth channel is configured to receive a fourth length of the wire heater.
12 . The bulkhead of claim 6 , wherein the upstream portion further comprises:
a second pad extending radially outward from the exterior surface of the upstream portion, wherein the first pad is positioned on a first side of the upstream portion, and wherein the second pad is positioned on a second side of the upstream portion that is opposite the first side;
a first opening extending through the first pad; and
a second opening extending through the second pad.
13 . The bulkhead of claim 12 , and further comprising:
a first pressure path fluidly coupled to the first opening in the first pad and extending through the upstream portion, the middle portion, and the downstream portion; and
a second pressure path fluidly coupled to the second opening in the second pad and extending through the upstream portion, the middle portion, and the downstream portion.
14 . The bulkhead of claim 6 , wherein the downstream portion further comprises:
a plurality of thermocouple wells positioned in a downstream end of the downstream portion, wherein each of the plurality of thermocouple wells is configured to receive a thermocouple.