Ablating Material - Revision history

Strangelv: 12 revisions imported

2019-04-08T14:44:12Z

12 revisions imported

Exoplatz.org>Sysop: reverting to most recent surviving version (12 May 2007); removing migration template; minor formatting changes

2014-07-06T06:31:53Z

reverting to most recent surviving version (12 May 2007); removing migration template; minor formatting changes

Exoplatz.org>Sysop: 10 revisions: importing surviving older versions of articles from Lunarpedia

2014-07-06T06:11:26Z

10 revisions: importing surviving older versions of articles from Lunarpedia

Exoplatz.org>Farred: Undo revision 17762 by Farred (talk) restoring old version now that the Exoplatz link is clean

2012-07-07T15:31:04Z

Undo revision 17762 by Farred (talk) restoring old version now that the Exoplatz link is clean

Exoplatz.org>Farred: removing problem template

2012-05-12T15:14:38Z

removing problem template

Exoplatz.org>Jarogers2001: We should link to articles about the other wikis just to get these moved articles off of the Dead End article list.

2008-08-07T15:58:35Z

We should link to articles about the other wikis just to get these moved articles off of the Dead End article list.

Exoplatz.org>Strangelv: {{Goto space}}

2007-05-30T03:33:58Z

Exoplatz.org>Strangelv: added move2space tag

2007-05-12T16:47:29Z

added move2space tag

Exoplatz.org>Dstorrs at 02:06, 24 April 2007

2007-04-24T02:06:24Z

Exoplatz.org>Strangelv: sorting into new stub categorization

2007-03-20T22:32:44Z

sorting into new stub categorization

← Older revision		Revision as of 06:31, 6 July 2014
Line 1:		Line 1:
−	~~{{Goto space}}~~	+	An '''ablating material''' is a material, especially a coating material, designed to provide thermal protection to a body in a fluid stream through loss of mass.

−	~~Moved~~ to [[~~Exoplatz~~]].	+	Ablating materials are used on the surfaces of some reentry vehicles to absorb heat by removal of mass, thus blocking the transfer of heat to the rest of the vehicle and maintaining temperatures within design limits. Ablating materials absorb heat by increasing in temperature and changing in chemical or physical state. The heat is carried away from the surface by a loss of mass (liquid or vapor). The departing mass also blocks part of the convective heat transfer to the remaining material in the same manner as [[Transpiration Cooling\|transpiration cooling]].
		+
		+	It should be noted that use of ablating material for heat shields has two significant drawbacks: first, the mass of the material must either be carried throughout the mission (at an attendant penalty to payload capacity) or must be installed immediately before reentry (adding greatly to complexity and raising safety concerns if, for whatever reason, the installation fails) and, second, the coating is a single-use component, making it unattractive as an option on reusable vehicles.
		+
		+	==References==
		+	''This article is based on NASA's [[NASA SP-7\|Dictionary of Technical Terms for Aerospace Use]]''
		+
		+	{{Physics Stub}}
		+
		+	[[Category:NASA SP-7]]
		+	[[Category:Spacecraft Construction]]
		+	[[Category:Re-entry]]
		+	[[Category:Rocketry]]

← Older revision	Revision as of 15:31, 7 July 2012
Line 1:	Line 1:
	+	{{Goto space}}

	+	Moved to [[Exoplatz]].

← Older revision		Revision as of 15:14, 12 May 2012
Line 1:		Line 1:
−	~~{{Goto space}}~~

−	~~Moved to [[Exoplatz]].~~

← Older revision		Revision as of 15:58, 7 August 2008
Line 1:		Line 1:
	{{Goto space}}		{{Goto space}}
		+
		+	Moved to [[Exoplatz]].

← Older revision		Revision as of 03:33, 30 May 2007
Line 1:		Line 1:
−	{{~~move2space~~}}	+	{{Goto space}}
−	~~{{Physics Stub}}~~
−
−	~~An '''Ablating Material''' is a material, especially a coating material, designed to provide thermal protection to a body in a fluid stream through loss of mass.~~
−
−	Ablating materials are used on the surfaces of some reentry vehicles to absorb heat by removal of mass, thus blocking the transfer of heat to the rest of the vehicle and maintaining temperatures within design limits. Ablating materials absorb heat by increasing in temperature and changing in chemical or physical state. The heat is carried away from the surface by a loss of mass (liquid or vapor). The departing mass also blocks part of the convective heat transfer to the remaining material in the same manner as [[Transpiration Cooling\|transpiration cooling]].
−
−	It should be noted that use of ablating material for heat shields has two significant drawbacks: first, the mass of the material must either be carried throughout the mission (at an attendant penalty to payload capacity) or must be installed immediately before reentry (adding greatly to complexity and raising safety concerns if, for whatever reason, the installation fails) and, second, the coating is a single-use component, making it unattractive as an option on reusable vehicles.
−
−	~~==References==~~
−	~~''This article is based on NASA's [[NASA SP-7\|Dictionary of Technical Terms for Aerospace Use]]''~~
−
−	~~[[Category:NASA SP-7]]~~
−	~~[[Category:Spacecraft Construction]]~~
−	~~[[Category:Re-entry]]~~
−	~~[[Category:Rocketry]]~~

← Older revision		Revision as of 16:47, 12 May 2007
Line 1:		Line 1:
		+	{{move2space}}
	{{Physics Stub}}		{{Physics Stub}}

← Older revision		Revision as of 02:06, 24 April 2007
Line 4:		Line 4:

	Ablating materials are used on the surfaces of some reentry vehicles to absorb heat by removal of mass, thus blocking the transfer of heat to the rest of the vehicle and maintaining temperatures within design limits. Ablating materials absorb heat by increasing in temperature and changing in chemical or physical state. The heat is carried away from the surface by a loss of mass (liquid or vapor). The departing mass also blocks part of the convective heat transfer to the remaining material in the same manner as [[Transpiration Cooling\|transpiration cooling]].		Ablating materials are used on the surfaces of some reentry vehicles to absorb heat by removal of mass, thus blocking the transfer of heat to the rest of the vehicle and maintaining temperatures within design limits. Ablating materials absorb heat by increasing in temperature and changing in chemical or physical state. The heat is carried away from the surface by a loss of mass (liquid or vapor). The departing mass also blocks part of the convective heat transfer to the remaining material in the same manner as [[Transpiration Cooling\|transpiration cooling]].
		+
		+	It should be noted that use of ablating material for heat shields has two significant drawbacks: first, the mass of the material must either be carried throughout the mission (at an attendant penalty to payload capacity) or must be installed immediately before reentry (adding greatly to complexity and raising safety concerns if, for whatever reason, the installation fails) and, second, the coating is a single-use component, making it unattractive as an option on reusable vehicles.

	==References==		==References==

← Older revision		Revision as of 22:32, 20 March 2007
Line 1:		Line 1:
−	{{Stub}}	+	{{Physics Stub}}

	An '''Ablating Material''' is a material, especially a coating material, designed to provide thermal protection to a body in a fluid stream through loss of mass.		An '''Ablating Material''' is a material, especially a coating material, designed to provide thermal protection to a body in a fluid stream through loss of mass.