Mixing
Could you have sand pipes like water pipes?
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It's common knowledge that sand behaves like water when in small grains. So can you make a pipe that carries sand in the same way pipes carry water? If not, is there another way you could?
pressure water
asked 1 hour ago
yolo
5651210
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up vote
2
down vote
favorite
It's common knowledge that sand behaves like water when in small grains. So can you make a pipe that carries sand in the same way pipes carry water? If not, is there another way you could?
pressure water
asked 1 hour ago
yolo
5651210
add a comment |Â
up vote
2
down vote
favorite
up vote
2
down vote
favorite
It's common knowledge that sand behaves like water when in small grains. So can you make a pipe that carries sand in the same way pipes carry water? If not, is there another way you could?
pressure water
asked 1 hour ago
yolo
5651210
It's common knowledge that sand behaves like water when in small grains. So can you make a pipe that carries sand in the same way pipes carry water? If not, is there another way you could?
pressure water
pressure water
asked 1 hour ago
yolo
5651210
asked 1 hour ago
yolo
5651210
asked 1 hour ago
yolo
5651210
asked 1 hour ago
yolo
5651210
asked 1 hour ago
yolo
5651210
5651210
add a comment |Â
add a comment |Â
2 Answers
2
active
oldest
votes
up vote
2
down vote
Tricky for sand, most grains of sand are 'sharp' they will lock into each other and form jams in the pipe unless you have some fluid (eg. air or water) carrying them along. There are types of sand with smooth polished grains which flow more freely (eg desert sand) but these aren't used in construction so there isn't much effort into moving it around.
Smoother particles like grain are routinely moved around in pipes.
The other problem is how to pump them. Pumping requires a fluid that you can compress in the pump so there is a pressure difference that transfers force to other particles. Although it's easy to lift particles to the top of a pipe and have them flow down, it's less clear how you can pump solid sand particles up without using some carrier fluid like air or water.
answered 1 hour ago
Martin Beckett
28k55281
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up vote
1
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To pump the grains up, the Archimedes Screw is used in agriculture. This should also work for sand.
edited 15 mins ago
Chair
3,06341732
answered 52 mins ago
João Cassiano
245
While this link may answer the question, it is better to include the essential parts of the answer here and provide the link for reference. Link-only answers can become invalid if the linked page changes. - From Review
– user7777777
27 mins ago
1
Im sorry, the link dont answer the question. It was just to save time for him.
– João Cassiano
19 mins ago
After a grammar fix, this seems to answer the question reasonably. In the unlikely event of the wikipedia link (which I've added back with pretty formatting) failing, the critical search term, 'Archimedes screw', is still there.
– Chair
4 mins ago
add a comment |Â
2 Answers
2
active
oldest
votes
2 Answers
2
active
oldest
votes
active
oldest
votes
active
oldest
votes
up vote
2
down vote
Tricky for sand, most grains of sand are 'sharp' they will lock into each other and form jams in the pipe unless you have some fluid (eg. air or water) carrying them along. There are types of sand with smooth polished grains which flow more freely (eg desert sand) but these aren't used in construction so there isn't much effort into moving it around.
Smoother particles like grain are routinely moved around in pipes.
The other problem is how to pump them. Pumping requires a fluid that you can compress in the pump so there is a pressure difference that transfers force to other particles. Although it's easy to lift particles to the top of a pipe and have them flow down, it's less clear how you can pump solid sand particles up without using some carrier fluid like air or water.
answered 1 hour ago
Martin Beckett
28k55281
add a comment |Â
up vote
2
down vote
Tricky for sand, most grains of sand are 'sharp' they will lock into each other and form jams in the pipe unless you have some fluid (eg. air or water) carrying them along. There are types of sand with smooth polished grains which flow more freely (eg desert sand) but these aren't used in construction so there isn't much effort into moving it around.
Smoother particles like grain are routinely moved around in pipes.
The other problem is how to pump them. Pumping requires a fluid that you can compress in the pump so there is a pressure difference that transfers force to other particles. Although it's easy to lift particles to the top of a pipe and have them flow down, it's less clear how you can pump solid sand particles up without using some carrier fluid like air or water.
answered 1 hour ago
Martin Beckett
28k55281
add a comment |Â
up vote
2
down vote
up vote
2
down vote
Tricky for sand, most grains of sand are 'sharp' they will lock into each other and form jams in the pipe unless you have some fluid (eg. air or water) carrying them along. There are types of sand with smooth polished grains which flow more freely (eg desert sand) but these aren't used in construction so there isn't much effort into moving it around.
Smoother particles like grain are routinely moved around in pipes.
The other problem is how to pump them. Pumping requires a fluid that you can compress in the pump so there is a pressure difference that transfers force to other particles. Although it's easy to lift particles to the top of a pipe and have them flow down, it's less clear how you can pump solid sand particles up without using some carrier fluid like air or water.
answered 1 hour ago
Martin Beckett
28k55281
Tricky for sand, most grains of sand are 'sharp' they will lock into each other and form jams in the pipe unless you have some fluid (eg. air or water) carrying them along. There are types of sand with smooth polished grains which flow more freely (eg desert sand) but these aren't used in construction so there isn't much effort into moving it around.
Smoother particles like grain are routinely moved around in pipes.
The other problem is how to pump them. Pumping requires a fluid that you can compress in the pump so there is a pressure difference that transfers force to other particles. Although it's easy to lift particles to the top of a pipe and have them flow down, it's less clear how you can pump solid sand particles up without using some carrier fluid like air or water.
answered 1 hour ago
Martin Beckett
28k55281
answered 1 hour ago
Martin Beckett
28k55281
answered 1 hour ago
Martin Beckett
28k55281
answered 1 hour ago
Martin Beckett
28k55281
28k55281
add a comment |Â
add a comment |Â
up vote
1
down vote
To pump the grains up, the Archimedes Screw is used in agriculture. This should also work for sand.
edited 15 mins ago
Chair
3,06341732
answered 52 mins ago
João Cassiano
245
While this link may answer the question, it is better to include the essential parts of the answer here and provide the link for reference. Link-only answers can become invalid if the linked page changes. - From Review
– user7777777
27 mins ago
1
Im sorry, the link dont answer the question. It was just to save time for him.
– João Cassiano
19 mins ago
After a grammar fix, this seems to answer the question reasonably. In the unlikely event of the wikipedia link (which I've added back with pretty formatting) failing, the critical search term, 'Archimedes screw', is still there.
– Chair
4 mins ago
add a comment |Â
up vote
1
down vote
To pump the grains up, the Archimedes Screw is used in agriculture. This should also work for sand.
edited 15 mins ago
Chair
3,06341732
answered 52 mins ago
João Cassiano
245
While this link may answer the question, it is better to include the essential parts of the answer here and provide the link for reference. Link-only answers can become invalid if the linked page changes. - From Review
– user7777777
27 mins ago
1
Im sorry, the link dont answer the question. It was just to save time for him.
– João Cassiano
19 mins ago
After a grammar fix, this seems to answer the question reasonably. In the unlikely event of the wikipedia link (which I've added back with pretty formatting) failing, the critical search term, 'Archimedes screw', is still there.
– Chair
4 mins ago
add a comment |Â
up vote
1
down vote
up vote
1
down vote
To pump the grains up, the Archimedes Screw is used in agriculture. This should also work for sand.
edited 15 mins ago
Chair
3,06341732
answered 52 mins ago
João Cassiano
245
To pump the grains up, the Archimedes Screw is used in agriculture. This should also work for sand.
edited 15 mins ago
Chair
3,06341732
answered 52 mins ago
João Cassiano
245
edited 15 mins ago
Chair
3,06341732
edited 15 mins ago
Chair
3,06341732
edited 15 mins ago
Chair
3,06341732
3,06341732
answered 52 mins ago
João Cassiano
245
answered 52 mins ago
João Cassiano
245
answered 52 mins ago
João Cassiano
245
245
While this link may answer the question, it is better to include the essential parts of the answer here and provide the link for reference. Link-only answers can become invalid if the linked page changes. - From Review
– user7777777
27 mins ago
1
Im sorry, the link dont answer the question. It was just to save time for him.
– João Cassiano
19 mins ago
After a grammar fix, this seems to answer the question reasonably. In the unlikely event of the wikipedia link (which I've added back with pretty formatting) failing, the critical search term, 'Archimedes screw', is still there.
– Chair
4 mins ago
add a comment |Â
While this link may answer the question, it is better to include the essential parts of the answer here and provide the link for reference. Link-only answers can become invalid if the linked page changes. - From Review
– user7777777
27 mins ago
1
Im sorry, the link dont answer the question. It was just to save time for him.
– João Cassiano
19 mins ago
After a grammar fix, this seems to answer the question reasonably. In the unlikely event of the wikipedia link (which I've added back with pretty formatting) failing, the critical search term, 'Archimedes screw', is still there.
– Chair
4 mins ago
While this link may answer the question, it is better to include the essential parts of the answer here and provide the link for reference. Link-only answers can become invalid if the linked page changes. - From Review
– user7777777
27 mins ago
While this link may answer the question, it is better to include the essential parts of the answer here and provide the link for reference. Link-only answers can become invalid if the linked page changes. - From Review
– user7777777
27 mins ago
1
1
Im sorry, the link dont answer the question. It was just to save time for him.
– João Cassiano
19 mins ago
Im sorry, the link dont answer the question. It was just to save time for him.
– João Cassiano
19 mins ago
After a grammar fix, this seems to answer the question reasonably. In the unlikely event of the wikipedia link (which I've added back with pretty formatting) failing, the critical search term, 'Archimedes screw', is still there.
– Chair
4 mins ago
After a grammar fix, this seems to answer the question reasonably. In the unlikely event of the wikipedia link (which I've added back with pretty formatting) failing, the critical search term, 'Archimedes screw', is still there.
– Chair
4 mins ago
add a comment |Â
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