1. A heat exchanger comprising:
a hot fluid inlet;
a hot fluid outlet;
a cold fluid inlet;
a cold fluid outlet; and
a header connected to the hot fluid outlet, the header comprising:
a housing;
a baffle separating a first cavity from a second cavity within the housing;
an On-Board Inert Gas Generation System (OBIGGS) outlet adjacent to the first cavity; and
a primary outlet adjacent to the second cavity.
2. The heat exchanger of claim 1, wherein the baffle defines a slot such that a first fluid positioned in the first cavity is in fluid communication with a second fluid positioned in the second cavity via an alternate flowpath.
3. The heat exchanger of claim 1, wherein the heat exchanger is a cross-flow heat exchanger.
4. The heat exchanger of claim 3, wherein the first cavity is arranged adjacent to a cold-cold corner.
5. The heat exchanger of claim 4, wherein an aperture width between the baffle and the cold-cold corner is between 1.5 cm and 1.6 cm.
6. The heat exchanger of claim 1, wherein the OBIGGS outlet is positioned to receive a fluid from the first cavity that has a temperature of less than 99\xb0 C.
7. The heat exchanger of claim 1, wherein the heat exchanger is a primary heat exchanger of a dual heat exchange system.
8. A heat exchange system comprising:
a cold fluid circuit for routing a cold fluid sequentially though:
a ram air inlet;
a cold fluid inlet of a heat exchanger; and
a cold fluid outlet of the heat exchanger; and
a hot fluid circuit for routing a hot fluid sequentially through:
a bleed air valve;
a hot fluid inlet of the heat exchanger;
a hot fluid outlet of the heat exchanger; and
a header having a first cavity and a second cavity defined within a housing and separated by a baffle.
9. The heat exchange system of claim 8, wherein the heat exchanger is configured to transfer heat from the hot fluid to the cold fluid.
10. The heat exchange system of claim 8, wherein the heat exchanger is a cross-flow heat exchanger.
11. The heat exchange system of claim 10, wherein the first cavity is configured to receive the hot fluid routed between the baffle and the cold-cold corner.
12. The heat exchange system of claim 11, wherein an aperture width between the baffle and the cold-cold corner is between 1.5 cm and 1.6 cm.
13. The heat exchange system of claim 8, wherein the baffle includes a slot.
14. The heat exchange system of claim 13, and further comprising an alternate flowpath from the first cavity to the second cavity via the slot.
15. A method comprising:
routing a hot fluid from a bleed valve to a hot fluid inlet of a heat exchanger;
routing the hot fluid through the heat exchanger to a hot fluid outlet to cool the hot fluid;
separating the hot fluid at the hot fluid outlet into a first cavity and a second cavity;
routing the hot fluid from the first cavity to an OBIGGS system; and
routing the hot fluid from the second cavity to a compressor.
16. The method of claim 15, wherein the heat exchanger is a cross-flow heat exchanger.
17. The method of claim 16, wherein the first cavity and the second cavity are separated by a baffle.
18. The method of claim 16, wherein the baffle is arranged between 1.5 cm and 1.6 cm from a cold-cold corner.
19. The method of claim 18, and further comprising:
diverting the hot fluid from the hot fluid outlet within an aperture width of the cold-cold corner to the first cavity; and
diverting the hot fluid from the hot fluid outlet that is not within an aperture width of the cold-cold corner to the second cavity.
20. The method of claim 15, and further comprising routing the hot fluid from the first cavity to the second cavity via an alternate flowpath.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. An authentication entity device used in an authentication system comprising a plurality of authentication entity devices which separately execute authentication subprocesses, the authentication subprocess constituting an authentication process, and a verification device which verifies the authentication process executed by the each authentication entity device, the authentication entity device comprising:
a confidential information memory module configured to store confidential information for verification by the verification device;
an authenticator generating module configured to generate an authenticator corresponding to executed contents of the authentication subprocess, the authenticator being generated using the confidential information;
a specific context generating module configured to generate a specific context data, the specific context data including a header block, a data block containing the executed contents of the authentication subprocess, and an authenticator block including the generated authenticator; and
a specific context output module configured to output the specific context data.
2. The authentication entity device according to claim 1, further comprising:
an overall authenticator generating module configured to generate an overall authenticator based on a plurality of specific contexts using the confidential information, the plurality of specific contexts being outputted from other authentication entity devices in association with the authentication process;
a generic context generating module configured to generate a generic context pursuant to the specific format from the overall authenticator and the plurality of specific contexts; and
a generic context output module configured to output the generic context to the verification device.
3. The authentication entity device according to claim 1, further comprising a specific context verifying module configured to verify the specific context inputted from other authentication entity devices using the confidential information.
4. The authentication entity device according to claim 1, further comprising a context information associating module configured to generate the specific context of the authentication entity device in order to express a hierarchical structure between specific contexts associated with dependence of the authentication subprocess such that the specific context of the authentication entity device includes the specific contexts inputted from other authentication entity devices.
5. The authentication entity device according to claim 4, further comprising:
a transmission module configured to transmit the execution request to the other authentication entity device based on the execution request of the authentication process transmitted from the verification device such that the other authentication entity device executes the corresponding authentication subprocess; and
an authentication response module configured to send back the specific context replied from the other authentication entity device and at least the specific context generated by the authentication entity device.
6. The authentication entity device according to claim 1, further comprising a context information associating module configured to generate the specific context of the authentication entity device in order to express a hierarchical structure between specific contexts associated with dependence of the authentication subprocess such that the specific context of the authentication entity device includes reference information of the specific contexts inputted from other authentication entity devices.
7. The authentication entity device according to claim 1, wherein the confidential information memory module has a private key memory unit configured to store a private key in a public key cryptography as the confidential information, and
the authenticator generating module comprises a signature generating unit configured to generate the authenticator as a digital signature in the public key cryptography using the private key.
8. A verification device which verifies a authentication process executed by each of a plurality of authentication entity devices which separately executes an authentication subprocess constituting the authentication process, the verification device comprising:
a context verifying module configured to verify a plurality of contexts using confidential information identical to the confidential information or corresponding confidential information;
the plurality of contexts being generated by the plurality of authentication entity devices, wherein each of the plurality of authentication entity devices separately executes an authentication subprocess to generate a specific context for each of the plurality of authentication entity devices; and
the plurality of contexts including execution contents of the authentication subprocess corresponding to a particular authentication entity device, and an authenticator generated for the execution contents using predetermined confidential information stored on the particular authentication entity device.
9. A client device which transfers communication between a plurality of authentication entity devices and a verification device, the plurality of authentication entity devices separately executing a authentication subprocess constituting an authentication process, the verification device verifying the authentication process executed by the each authentication entity device, the client device comprising:
a profile query module configured to transmit a request for profiles to each of the plurality of authentication entity devices, the profiles defining execution environment contents of the authentication subprocess executing on each of the plurality of authentication entity devices;
a profile management module configured to store the profiles received from each of the plurality of authentication entity devices; and
a control module configured to determine one of the profiles compatible with a client environment of the client device.
10. The client device according to claim 9, further comprising a control module configured to cause each of the plurality of authentication entity devices having a corresponding profile matching a profile specified from the verification device to execute the authentication subprocess based on the profile.