Reciprocative dissipation mechanisms in gem-gum technology - Revision history

Apm: /* Accidental heatpump */ added section === Derivable design principles ===

2025-11-30T11:43:21Z

Accidental heatpump: added section === Derivable design principles ===

← Older revision		Revision as of 13:43, 30 November 2025
Line 157:		Line 157:
	Nontrivial things might happen near absolute zero where phonon modes freeze out. <br>		Nontrivial things might happen near absolute zero where phonon modes freeze out. <br>
	Especially for diamond. <br>		Especially for diamond. <br>

			=== Derivable design principles ===

			In case of structures for sliding interfaces: Avoid ones that have too thin walls. <br>
			Particularly avoid ones so thin that bond-bending rather than bond-stretching <br>
			becomes the main remaining source for structural rigidity. <br>
			As bond-bending is about ~20x lower stiffness than bond stretching. <br>
			{{wikitodo\|Add example images of such structures.}}

	= Related =		= Related =

2025-11-30T11:37:18Z

Non recuperated phase shift

← Older revision		Revision as of 13:37, 30 November 2025
Line 135:		Line 135:
	★ reactive power (as used in electric systems but here in mechanical analogy)<br>		★ reactive power (as used in electric systems but here in mechanical analogy)<br>
	Which may provide pathways to gain some better intuition here.		Which may provide pathways to gain some better intuition here.

			=== Derivable design principles ===

			{{wikitodo}}

	== Accidental heatpump ==		== Accidental heatpump ==

2025-11-30T11:35:51Z

Discussion: fixed headline hierarchy

← Older revision		Revision as of 13:35, 30 November 2025
Line 104:		Line 104:
	frequency & amplitude of motions.		frequency & amplitude of motions.

	== Discussion ==		=== Discussion ===

	'''Helping conservative assumptions:''' <br>		'''Helping conservative assumptions:''' <br>

2025-11-30T11:35:05Z

Qunatitative example numbers: extended on the TODOs

@@ Line 85: / Line 85: @@
 === Qunatitative example numbers ===
 {{wikitodo|For the nanofactory context and the compute context: What numbers are needed and what are the difficulties in getting sensible numbers for conservative estimates. Then run the numbers.}}
 === Scaling & limits of model ===

2025-11-30T11:25:31Z

Non recuperated phase shift: added discussion section

@@ Line 91: / Line 91: @@
 I seems this potential source of dissipation scales linearly with <br>
 frequency & amplitude of motions.
 == Accidental heatpump ==

2025-11-30T10:47:44Z

Related: added link to yet unwritten page: Equipartitioning theorem

← Older revision		Revision as of 12:47, 30 November 2025
Line 114:		Line 114:
	* [[Friction in gem-gum technology]]		* [[Friction in gem-gum technology]]
	* [[Friction]]		* [[Friction]]
	* [[Accidental heatpump]]		* [[Accidental heatpump]] & [[Equipartitioning theorem]]

	* <small>[[Accidentally suggestive]]</small>		* <small>[[Accidentally suggestive]]</small>

2025-11-30T10:46:02Z

Accidental heatpump: some cleanup on the todos

← Older revision		Revision as of 12:46, 30 November 2025
Line 100:		Line 100:
	{{wikitodo\|Estimate the thermal energy in a (nontrivial) degree of freedom when freely fluttering around (nontrivial), and then the thermal energy when constrained by a (steric) obstruction caused by cyclic machine motion. Then (assuming full dissipation of that energy) multiply by twice the frequency of operation. Twice since the cooling phase gets dissipated too.}}		{{wikitodo\|Estimate the thermal energy in a (nontrivial) degree of freedom when freely fluttering around (nontrivial), and then the thermal energy when constrained by a (steric) obstruction caused by cyclic machine motion. Then (assuming full dissipation of that energy) multiply by twice the frequency of operation. Twice since the cooling phase gets dissipated too.}}

	~~{{wikitodo\|Assume a plausible volume and a lower volumetric density of these mechanisms for some estimates.}}~~		=== Qunatitative example numbers ===

	~~=== Qunatitative example numbers ===~~		{{wikitodo\|Run numbers fro the symbolic math. Then assume a plausible volume and a lower volumetric density of these mechanisms for some more estimates.}}
	{{wikitodo}}

	=== Scaling & limits of model ===		=== Scaling & limits of model ===

2025-11-30T10:44:42Z

Symbolic math: elaborated on the todo

← Older revision		Revision as of 12:44, 30 November 2025
Line 97:		Line 97:

	=== Symbolic math ===		=== Symbolic math ===
	{{wikitodo}}
			{{wikitodo\|Estimate the thermal energy in a (nontrivial) degree of freedom when freely fluttering around (nontrivial), and then the thermal energy when constrained by a (steric) obstruction caused by cyclic machine motion. Then (assuming full dissipation of that energy) multiply by twice the frequency of operation. Twice since the cooling phase gets dissipated too.}}

			{{wikitodo\|Assume a plausible volume and a lower volumetric density of these mechanisms for some estimates.}}

	=== Qunatitative example numbers ===		=== Qunatitative example numbers ===

2025-11-30T10:34:03Z

Qunatitative example numbers

← Older revision		Revision as of 12:34, 30 November 2025
Line 85:		Line 85:

	=== Qunatitative example numbers ===		=== Qunatitative example numbers ===
	{{wikitodo}}		{{wikitodo\|For the nanofactory context and the compute context: What numbers are needed and what are the difficulties in getting sensible numbers for conservative estimates. Then run the numbers.}}

	=== Scaling & limits of model ===		=== Scaling & limits of model ===

2025-11-30T10:31:01Z

Physics: added some minimal elaboration

← Older revision		Revision as of 12:31, 30 November 2025
Line 39:		Line 39:
	=== Physics ===		=== Physics ===

	~~Lag of~~ center of mass motion to driving motion gives a phase shift. <br>		A lag between center-of-mass motion and driving motion gives a phase shift. <br>
	Non-recuperation of phase shifted center of mass motion due to finite speed of sound.		Non-recuperation of phase shifted center of mass motion due to finite speed of sound. <br>
	{{~~wikitodo~~}}
			★ '''Highly predictable assembly line motions''' … <br>
			– might allow for a high degrees of energy recuperation and … <br>
			– are to be expected in andvanced [[productive nanosystems]] with standard part mass productions <br>
			★ '''Much more inherently unpredicatble computation motions''' … <br>
			– will have much less chance for energy recuperation. <br>
			– {{todo\|Is this fundamental or are some tricks still applicable?}}

	=== Symbolic math ===		=== Symbolic math ===