Thermodynamic means - Revision history

Apm: /* About shifting the location of dissipation around in real 3D-space */ added link to back driving

2021-06-13T13:53:09Z

About shifting the location of dissipation around in real 3D-space: added link to back driving

← Older revision		Revision as of 15:53, 13 June 2021
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	Shifting the location of the necessary dissipation around amounts to [[energy recuperation]].		Shifting the location of the necessary dissipation around amounts to [[energy recuperation]].

	[[Dissipation sharing]] involves the back-driving a gearing-down gear-train. <br>		[[Dissipation sharing]] involves the [[back driving\|back-driving]] a gearing-down gear-train. <br>
	Which might be worrying from a macroscale perspective. <br>		Which might be worrying from a macroscale perspective. <br>
	Since we know that back-driving a gear transmission is these are prone to self-locking.		Since we know that back-driving a gear transmission is these are prone to self-locking.

Apm: linebreaks

2021-06-13T13:52:14Z

linebreaks

← Older revision		Revision as of 15:52, 13 June 2021
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	Shifting the location of the necessary dissipation around amounts to [[energy recuperation]].		Shifting the location of the necessary dissipation around amounts to [[energy recuperation]].

	[[Dissipation sharing]] involves the back-driving a gearing-down gear-train.		[[Dissipation sharing]] involves the back-driving a gearing-down gear-train. <br>
	Which might be worrying from a macroscale perspective.		Which might be worrying from a macroscale perspective. <br>
	Since we know that back-driving a gear transmission is these are prone to self-locking.		Since we know that back-driving a gear transmission is these are prone to self-locking.

Apm: added biomineralization

2021-06-07T09:04:29Z

added biomineralization

← Older revision		Revision as of 11:04, 7 June 2021
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	'''Grey zones (semi thermodynamic means):'''		'''Grey zones (semi thermodynamic means):'''
	* Sublimation from the gas phase onto atomically precise patterns (See: [[Patterned layer epitaxy]])		* Sublimation from the gas phase onto atomically precise patterns (See: [[Patterned layer epitaxy]])
	* Natural "semi thermodynamic" processes – like the growth of wood		* Natural "semi thermodynamic" processes – like the growth of wood, [[biomineralization]], ...

	'''Furthermore:'''		'''Furthermore:'''

Apm: added link to page * Radiation damage

2021-06-04T08:29:39Z

added link to page * Radiation damage

← Older revision		Revision as of 10:29, 4 June 2021
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	* near the interacting tips in [[chemomechanical converters]]		* near the interacting tips in [[chemomechanical converters]]
	{{todo\|Calculatuins and experiments will be needed to get a clearer picture about the shiftability of dissipation.}}		{{todo\|Calculatuins and experiments will be needed to get a clearer picture about the shiftability of dissipation.}}

			== Related ==

			* [[Radiation damage]]

Apm: /* But there are no systems that are not thermodynamic! Yes, but ... */ added link to neo-polymorphs

2021-06-04T08:27:14Z

But there are no systems that are not thermodynamic! Yes, but ...: added link to neo-polymorphs

← Older revision		Revision as of 10:27, 4 June 2021
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	It's just that thermodynamic processes can be shifted out to the (abstract) fringes of productive (nano) systems. <br>		It's just that thermodynamic processes can be shifted out to the (abstract) fringes of productive (nano) systems. <br>
	And different productive systems do that to a different degree. <br>		And different productive systems do that to a different degree. <br>
	This makes a huge difference in the accessibility of metastable structures.		This makes a huge difference in the accessibility of metastable structures like [[neo-polymorphs]].

	In this regard:		In this regard:

Apm at 08:25, 4 June 2021

2021-06-04T08:25:26Z

← Older revision		Revision as of 10:25, 4 June 2021
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	'''Furthermore:'''		'''Furthermore:'''
	* A thermodynamic mean: non-terminating self assembly – this includes 360° filling n-fold rotation symmetric assemblies		* A thermodynamic mean: – non-terminating self assembly – this includes 360° filling n-fold rotation symmetric assemblies
	* A semi thermodynamic mean: terminating self assembly – this excludes 360° filling n-fold rotation symmetric assemblies		* A semi thermodynamic mean: – terminating self assembly – this excludes 360° filling n-fold rotation symmetric assemblies
	Treat a full 360° rotation for rotational freedom equally to infinity for a translatory freedom.		Treat a full 360° rotation for rotational freedom equally to infinity for a translatory freedom.

Apm at 08:25, 4 June 2021

2021-06-04T08:25:09Z

Apm at 08:24, 4 June 2021

2021-06-04T08:24:01Z

← Older revision		Revision as of 10:24, 4 June 2021
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	* Mixing and melting in complex sequences – like present in the production of metals, alloys, thermoplastics, duroplastics, and similar		* Mixing and melting in complex sequences – like present in the production of metals, alloys, thermoplastics, duroplastics, and similar
	* Crystallization form solutions or melts – like for silicon wavers or optical crystals		* Crystallization form solutions or melts – like for silicon wavers or optical crystals
	* sublimation from the gas phase – like in CVD processes		* sublimation from the gas phase – like in CVD processes – (for exceptions see below)

	"Thermodynamic means" exclude:		"Thermodynamic means" exclude:

Apm: minimal page

2021-06-04T08:23:03Z

minimal page

New page

production/synthesis/making-of materials via thermodynamic means shall here refer to 
all conventional means excluding advanced forms of [[mechanosynthesis]]. 
In particular excluding [[piezochemical mechanosynthesis]].

"Thermodynamic means" include:
* Mixing and melting in complex sequences – like present in the production of metals, alloys, thermoplastics, duroplastics, and similar
* Crystallization form solutions or melts – like for silicon wavers or optical crystals
* sublimation from the gas phase – like in CVD processes

"Thermodynamic means" exclude:
* advanced forms of [[mechanosynthesis]].
* [[piezochemical mechanosynthesis]]

Grey zones (semi thermodynamic means):
* Sublimation from the gas phase onto atomically precise patterns (See: [[Patterned layer epitaxy]])
* Natural "semi thermodynamic" processes – like the growth of wood

Furthermore:
* Thermodynamic means: non-terminating self assembly – this includes 360° filling n-fold rotation symmetric assemblies
* Semi thermodynamic: terminating self assembly – this excludes 360° filling n-fold rotation symmetric assemblies
Treat a full 360° rotation for rotational freedom equally to infinity for a translatory freedom.

== But there are no systems that are not thermodynamic! Yes, but ... ==

Of course in the end all processes are thermodynamic, otherwise they would not have an [[arrow of time]]. 
It's just that thermodynamic processes can be shifted out to the (abstract) fringes of productive (nano) systems. 
And different productive systems do that to a different degree. 
This makes a huge difference in the accessibility of metastable structures.

In this regard:
* mix and melt production is highly thermodynamic – especially for metal alloys a bit less for plastic polymers
* natural growth heavily relies on thermodynamic [[diffusion transport]] but has quite non thermodynamic compartmentalization systems

=== Shifting dissipation into impulse space only ===

[[Gem-gum nanofactories]] also have a necessarily themodynamic part. 
There needs to be power dissipation somewhere to drive the nanofactory in a forward direction at reasonable speeds.
[[gem-gum nanofactories]] though
* aim to get out all entropy from real 3D-space creating the entropy devoid [[machine phase]] (one point on only one single degree of freedom).
* aim to keep all dissipation going out purely via impulse space (waste hear rather than melting, evaporating, sublimating, chaotically rearanging)

Ideally the necessary dissipation happens at locations that are not coinciding with where the [[piezochemical mechanosynthesis]] happens.
That means: Ideally not at directly at the interacting [[tooltips]].
Ideally so because this means less necessity for active cooling for the most critical system parts that run best at cryogenic temperatures.

One place to do the dissipation could be
the [[drive and power management system]] of a [[gem-gum factory]]
this should be specifically designed to perform well at higher temperatures.
But the necessary dissipation could even be outsourced to a macroscale dedicated [[power dissipation plant]].

=== About shifting the location of dissipation around in real 3D-space ===

For how this could be done in more detail. See main artilce: [[Dissipation sharing]]

Shifting the location of the necessary dissipation around amounts to [[energy recuperation]].

[[Dissipation sharing]] involves the back-driving a gearing-down gear-train.
Which might be worrying from a macroscale perspective.
Since we know that back-driving a gear transmission is these are prone to self-locking.

Note though that:
* Friction at the nanoscale is super low due to [[suprlubricity]].
* Thermal motion should be able to "knock open" self locking.
* Inertial mass is not much counter-acting because the typical (proposed) speeds are way below [[scale natural speeds]]

Most losses (part of dissipation that fails to be shifted someplace else)
are maybe due to local flexing near the most geared down parts.
* near the interacting tooltips in [[piezochemical mechanosynthesis]]
* near the interacting tips in [[chemomechanical converters]]
{{todo|Calculatuins and experiments will be needed to get a clearer picture about the shiftability of dissipation.}}

← Older revision		Revision as of 10:25, 4 June 2021
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	In particular excluding [[piezochemical mechanosynthesis]].		In particular excluding [[piezochemical mechanosynthesis]].

	"Thermodynamic means" include:		'''"Thermodynamic means" include:'''
	* Mixing and melting in complex sequences – like present in the production of metals, alloys, thermoplastics, duroplastics, and similar		* Mixing and melting in complex sequences – like present in the production of metals, alloys, thermoplastics, duroplastics, and similar
	* Crystallization form solutions or melts – like for silicon wavers or optical crystals		* Crystallization form solutions or melts – like for silicon wavers or optical crystals
	* sublimation from the gas phase – like in CVD processes – (for exceptions see below)		* sublimation from the gas phase – like in CVD processes – (for exceptions see below)

	"Thermodynamic means" exclude:		'''"Thermodynamic means" exclude:'''
	* advanced forms of [[mechanosynthesis]].		* advanced forms of [[mechanosynthesis]].
	* [[piezochemical mechanosynthesis]]		* [[piezochemical mechanosynthesis]]

	Grey zones (semi thermodynamic means):		'''Grey zones (semi thermodynamic means):'''
	* Sublimation from the gas phase onto atomically precise patterns (See: [[Patterned layer epitaxy]])		* Sublimation from the gas phase onto atomically precise patterns (See: [[Patterned layer epitaxy]])
	* Natural "semi thermodynamic" processes – like the growth of wood		* Natural "semi thermodynamic" processes – like the growth of wood

	Furthermore:		'''Furthermore:'''
	* ~~Thermodynamic means~~: non-terminating self assembly – this includes 360° filling n-fold rotation symmetric assemblies		* A thermodynamic mean: non-terminating self assembly – this includes 360° filling n-fold rotation symmetric assemblies
	* ~~Semi~~ thermodynamic: terminating self assembly – this excludes 360° filling n-fold rotation symmetric assemblies		* A semi thermodynamic mean: terminating self assembly – this excludes 360° filling n-fold rotation symmetric assemblies
	Treat a full 360° rotation for rotational freedom equally to infinity for a translatory freedom.		Treat a full 360° rotation for rotational freedom equally to infinity for a translatory freedom.