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I now have a roof with plywood and water shield.

Rain delayed work on house rebuild and improvement with more materials being ordered for Tuesday use followed by more deliveries to do roof and more to seal it up before more weather happens.

My home is a frame currently being upgraded with 2x6 wall construction as we speak.

Got a new cellphone but need to finish fixing Google account had to connect using my wife's old phone.

Sorry about the meeting as I had fallen asleep.

Password hash is part of the user table backup

I take the word sand as sand being crushed grains that are fine from earth soils and rock. The pipes extend in through the sand and come out the other side. The heat is coming from exhaust heat or from heated air or any other working fliud, or gas that is pumped through the system.

An image to go with words

heat exchanger imbedded in the sand

Historic fusion discovery removes major obstacle to limitless clean energy

We have talked about sand but adding liquid now creates internal tank storage pressure. Sand battery was discussed in the Geothermal and Geothermal Battery (Changed Title 12/21/23) a Void started topic.

I have sad news to let all on the forum that know of my wife's conditions as she has passed today with her 3 sons that live still at home while I was away at work.

The storage is not a number but a variable that is determined based on the tank volumes, water amount, internal and external capability for pressure and vacuum as Caliban has already indicated due to implosion and explosion of the tanks and piping due to those levels.

So, you must decide on the level of work that must be produced to determine those values in the above statement. You must determine the power levels for the pump and generator in order to size all other aspects of a design storage and use.

One can make the storage the size of a walnut under extreme pressures or vacuum, or you can have a mountain size unit will be minimal of those.

The original numbers have already been given and they produce very little energy.

You must also include Gravity Energy Storage as they are part of the energy system by default.

We are still talking about the most efficient form of storage and conversion rate for Electricity, Work, and Power

https://www.wikihow.com/Calculate-the-V … a-Cylinder
https://www.gigacalculator.com/calculat … ulator.php

https://en.wikipedia.org/wiki/Working_fluid

generator type for the working fluid determines inlet rate from the volume

This is also where we get into how much power wattage can I get for how long of a duration before refilling the volume.

Pressure control is achieved in hydraulic systems by metering the flow of a fluid into or out of a constrained volume to create force such as a jack for an automobile.

https://www.hi-force.com/en-uk/blog-det … te-a-force

https://www.hydraulicspneumatics.com/te … c-pressure

More equations on the page

https://www.machinerylubrication.com/Re … re-vs-flow

Of course, this is moving the fluid to make pressure from the reservoir to the location to be moved.

Sensing functions that are computer controller-ed used to produce a response for more or less power seems to be good to have.

While I am thinking about gravity and water as the mass that we can make use of.

https://www.micro-hydro-power.com/water-turbines.htm

https://www.builditsolar.com/Projects/H … fRiver.htm

Normally the mass is what will cause the turbine to move so knowing the amount and time is a flow rate.

Rotation is required and that is torque for the turbine.

Of course, when you need RPM's we are looking at that flow rate as it relates to the torque values.

https://www.studysmarter.us/explanation … al-motion/

https://en.wikipedia.org/wiki/Torque

Power in rotational systems (torque and frequency of a rotation)

power generation from the top to the bottom means we want to make 2 -3 times what we would use. So I am looking at the 3kw turbine as it would cost less than $400 on ebay turbine
.

https://www.pumpfundamentals.com/Pump%2 … sizing.pdf

In artesian well control design, a one-line jet pump or equivalent is used to move water from the non-pressurized water storage tank which is the bottom tank into a water pressure tank which is what we have with the top tank. It has a typical 20-40 or 30-50 psi trip point to turn on and off the jet pump that is in the well. Of course, that is an open loop system as we are closing the loop by creating energy with the released water that will travel down to the lower tank through a generator unit. While in a well we have 1 Atm above the well it's the column of water that build pressure to aid the pumping unit.