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Found 14 results

  1. Hi guys, I really was excited about the new steam turbine, but that excitement was soon diminished when being confronted with harsh reality. If someone can point out errors in my musings below then I will be happy for comments, but as far as I see it, Klei has made the turbine even less attractive than before. I like the new aspect that the power generated depends on the temperature of the steam instead of the former "binary" thing of either "hot enough => full power, one degree below minimum => NO Power" and I also really support the decrease of minimum temperature since it enables one to make good use of all the excess heat delivered to your door by the meteor showers, that you have no other means to get rid off due to the lack of thermal radiation to space. BUT as it is now the turbine is almost as impossible to efficiently use than the old one. Okay we have condensed steam now as output which makes closed cycle turbines a lot easier (without using the hydrogen layer method of the old turbine) which is a good thing waterwise (if you don't happen to have some 8kg/s Steamvent around) and a good thing energywise since boiling water takes incredible amounts of heatenergy due to the 4.1 heat capacity, so it is already a point whether the water you turn into steam drops in at 94° or at 44°. but the grudge I have against the change focuses on the output nerf that has been applied. A drop from 2kW to 850W for no apparent reason. Yes they said something about "fitting it in" but in my oppinion they missed the mark by stellar distances on that one. Especially the turbine now carries a new flaw that is a death warrant in context with the power output drop. It appears that the turbine converts the energy it takes from the steam not to electrical power but emits a good portion of it to the environment. I am not that much of a math genius so I might be running the wrong direction here. But if I take the numbers (Drop from 125° to 94 at 2kg/s) that means the steam turbine removes 258kJ from the steam fed to it. According to the info panel on a running turbine app. 45-50kJ are emmitted to the environment as heat. I WOULD'nt argue against heat emmission since the turbine is heated up by the steam fed to it. But at this point the turbine generates a meager app. 250W of power. So where did the remaining 210kW go? With a meager 0,11% efficiency rating this turbine is barely standing up to 19th century steam engines. That still would be kind of bearable if you wouldn't have to expend most of the power generated to the cooling of the thing since it shuts down at 100° Using steam temperatures ABOVE the lower limit of 125° causes the turbine to generate more power (app. 450W at 150°) but also drastically increases the neccessity for cooling. At least I was not able to prevent heat shutdown with a thermoregulator cycling hydrogen through a radiant pipe. Aquatuner with some liquid coolant would be an alternative but would completely hammer the energy balance into the negative range even if firing the turbine at full power (which is probably somewhere near the old lower limit of steam temp). As steam turbines are a late game power source that should at some point replace non-replenishing energy sources like coal and Gas, it would have been great if this change would have come without such a drastic nerf to power output and overexcessive cooling requirements. Yes of course I could probably quench it with a zillion wheezeworts above the turbine room but that wastes 99,89% of the thermal energy put into the setup and of course requires a dozen flights to the ice planet in order to acquire the seeds. So any ideas? Any chance that Klei thinks this over once more and gives us a turbine worth constructing? S.
  2. First of all, the development build version of the steam turbine is awesome! Many thanks for listening to the community. Suggestions: 1. Increase minimum steam pressure to 3-5 kg - it's more realistic in game pressure units, and will not ruin anything. Just one gram looks ridiculous, sorry. It’s 1000 times less than normal air pressure; it just can't turn turbine blades (and can’t push steam engine pistons too). 2. Increase maximum input temperature to 400-500 C and power output to around 2-3 kW. The target equality (to put the aquatuner out of the power generation game) is: 1'181'600 DTU/s heat input ≤ 1'200 W power output; or 125+141.4 C temp. input ≤ 1'200 W power output; or 125+141.4+141.4 C temp. input ≤ 2'400 W power output; etc. For example, [125...400 C = 0...2'000 W] would be nice. Each turbine requires pretty complex infrastructure, so again it won't ruin anything, just will make steam turbine more usable for generating power (at the moment its main usable purpose is cooling - I bet you didn't plan it).
  3. As of QoLIII, this build no longer works. Great Job Klei - I'm seriously very happy that it no longer works. As promised last week and @Sigma Cypher reminded me, here's a redesigned exploited steam turbine that is easier for newer players to recreate in survival. Many of the things below are not required, rather designed with a simple fix to a hard problem in mind. Advanced players will probably comment that you don't really need specific parts (the kinds of insulation I use, the type of waterlock, way to get chlorine, etc.). You can play with this and change things as your skills increase I do truly hope that this build becomes obsolete at some point with a redesign from the devs. Let's start with the build at the moment the turbine starts working. (The rest of the pictures will be in spoilers). I'll assume you have access to exosuits, crude oil, petroleum, and plastic. Here are the steps needed to produce the build above. Start by locating a place large enough to build it (30 tiles wide, and 16 tiles high). Block it in with either tiles or natural materials that will not offgas when dug out (no slime or bleach stone). Surround the thing with ceramic tiles. No heat will escape, so put it next to your beds, farms, wherever. Note: If you plan to tile in a lot of space, it's generally faster to build from the bottom up. Create a U-bend liquid lock with crude and petro. (Build a bottle emptier, and bring 200kg of crude first, then 200kg of petro second). After the right side of the waterlock is finished, hollow out the interior of the region, starting at the top and working down. Build the interior frame, add ladders, add the other 3 water locks, pipes, liquid vent, and tempshift plates (gold amalgam or diamond are the only I've tested). The two waterlocks next to each other at the entrance are important. The right waterlock will get really hot. The left waterlock will not change in temp provided you keep a vacuum between things. Build the insulation tiles near the temp shift plates with ceramic (any tile that will touch the petro, needs to be made of ceramic. Build a ceramic metal refinery on the bottom level (should still be in vaccuum). Use 4 insulated ceramic pipes from the outflow to the inflow section (so they won't drop in heat). Fill it with petro. While doing everything else, you want to get the petro heated up to above 400C (technically it can be less, but aim for this). If you already have lots of refined metal, then refine steel or iron to make this fast. You'll need 1600kg of refined metal for the turbines, so make lots of gold if you don't have much yet. Build an atmosuit station and a bottle emptier under each turbine. Fill each atmosuit station with oxygen (200kg), and deliver 800kg of water (4 loads of water) to each side. [Edit: Note: Some have suggested just 600kg to the left side. The water and oxygen levels can be adjusted after this is built. so it's not 100 crucial you nail this step perfectly.] You can deconstruct the bottle emptier, but DO NOT DECONSTRUCT the atmosuit station yet. Make sure you do not get a wrong element sent to those stations, otherwise you'll have to pump the region back to vacuum. Use a filter if you are not 100% sure the only thing that will get pumped in is oxygen. Build the turbine as soon as you can. I didn't have much metal, so I built the turbine later in the process. You can build it right at the start if you have the materials ready. Clean up any loose materials near the tempshift plates. Then wall the region in. You're just about done. I like to clean up materials all along the construction process in the entire region. One the turbine is built and the region below is walled in, deconstruct the atmosuit station. Oxygen will fill the region. Feel free to deconstruct oxygen pipes in the turbine rooms, or send any extra oxygen away with bridges to push things where you want them to go. Build a liquid tepidizer where the water is. Add automation to the tepidizer (a not gate, followed by a buffer gate), and connect it to power. You don't have to adjust any properties, and it will quickly boil the water (if you save/load at this point, you will have to deconstruct the tepidizer and rebuild it - a bug). Your oxygen and steam are now all set to go. The oxygen will rise to the top and start fighting with the steam for control of the second to top layer (pressure tricking the turbine to work). Now we add chlorine. Build a storage container in the metal refinery section. Bring in a single bit of bleach stone to this container, let it stay for a brief second, and then remove it to somewhere else in the base. You should have a very small amount of chlorine in the region. Deconstruct a ceramic block so the chlorine can spread up to the tempshift plate region, and then replace it. We now deliver the hot petroleum (I like to aim for high 400C temp). Just adjust your outtake pipe, and then rther. efine 2 final orders. Add wires that touch your turbine. You're done. This thing should run forever. The temp inside will stabilize at 159.1C. Provided you used both liquid locks, with the vacuum between them, the heat will not spread out the left side. The other areas are sealed with ceramic, so no heat leaves either. Enjoy your 4kw power station. To get the power out, I like to use a regular wire and then a smart battery switching station somewhere else in the base. Remember that the steam turbine is a massive heat deletion machine. I decided to add 6 metal refineries in the now chlorine filled section under the turbines. The turbine will cool the petro for me. You could instead put aquatuners inside the turbine chambers and use them to transfer heat to the steam.
  4. Tempering whit my accidental discover pumping gas without a pump i present the self sustaining power efficient, pump less steam turbine, without blocked ports, and power efficient steam turbine, or how i like to call it SSST. It uses the rule (one element per tile) for moving the steam up. How it works : I drop petroleum at 200g/s on the tile occupied by the supercolant (100gr) and petroleum drip on the wall creating void under pushing in this way the steam up. I put an element sensor and a not circuit for limiting the pump working time and be more power efficient. When the steam reach over 3kg and 230 Celsius degrees, the turbine start and the battery are charged. I attached the savefile it you want to further test and improve this design. I design this for fun and for see if is possible, It uses the one element per tile rule and the same principle that moves liquids up if you have 2 gases (the cascade effect). I call this the drip effect that push gases up if you drip liquids on a wall using the conflict between 2 liquids. Best regards and have fun whit it. Power free steam turbine.sav
  5. Just curious. If I do the math, 5 ports open sucking steam 15 kg/s. Edgy case, the input hot steam is 500 K and output is 423 K, resulting at minimum of 73 K, translating to 73 * 4.179*15kg= 4576000 DTU/s heat loss. Without space tech, water has the biggest thermal capacity which his 4.179. So for aquatuner, biggest heat input will be 4.179 * 10kg * 14K = 585000 DTU/s. To negate the heat loss, it will require 4576/585 = 7.82 Aquatuner processing water. That's doesn't look like power slurplus is possible without block ports / vacuum ports Edit added: So if I block 4/5 ports, and 1 ports need roughly 1.56 aquatuner. The steam turbine's temperature is always between 150 C output temperature and 227 C input temperature, i'll just assume in a equilibrium turbine's temperature is 200 C, add some extra 30 C to aquatuner's work. (30 * 3k * 4.179 + 4576000/5) / 58500 = 2.2 Aquatuner, exceeding 2400W power.
  6. I'm really bad at gas conflict steam turbine. And this time I tried it in survival, I had to rebuild it 3 times, which was pain in the as*. The problem was after a while, for example overnight, the top gas and steam would stabilize and no longer intruding each other. All I got is a peaceful top layer of gas, and silently sleeping steam, and steam turbine complaining about underpressure. So I thought maybe if I build a door between the two gases, and when I open the door, gas from above and below the door should come inside the door to create a gas instability. And it worked. What you should look for in gif is the white ripples, that's where the gas and steam battle each other and turbine will detect low pressure cuz gas is batting there. When the door opens and closes, you can see a new ripple is created, which will later get either released or possibly destroyed by the door itself. Good luck with that. I'm using a seizure door, so soon or later, there surely is going to be a ripple. You can also use your dupe to do it manually, you might be able to keep the instability forever. As long as there is one ripple, turbine will have sufficient pressure difference. If there is no ripple, turbine stop. And if it has come to stop, this method is able to resurrect the turbine. Similarly, I believe that hydrofan can create instability too, since it sucks gases around it and then releases them which consequently re-distributes them. But hydrofan in such a sauna room, idk. Also similarly, you can use gas pump to store gas in this room in a gas reservoir, then you deconstruct the reservoir, and boom, gas instability. You know what I mean, you can be creative. I had this tough problem for quite a while, if someone has the same problem, hope this helps.
  7. I am always scared of volcano, this is my first try. Here is the demo design. My original write-up of this topic was not good enough, so I edit it now to add more elaboration. Demo in motion in spoiler Since steam turbine and volcano combination along with stone hatch are straight forward, the main problem I'm trying to solve is auto-sweeper / robo-miner / shipping loader's overheaing problem. Conventional cooling is to use a background wall plus a liquid/gas medium and coolant piping to cool those machinery. Here is an experiment in spoiler, simulating magma and outside world The machinery in volcano room will have the same temperature of metal walls, but receiving nearly 0 influence from thin gas in volcano room, which is nearly equivalent to perfect insulation, as seen in gif above. More detail in spoiler (mistake: 80 mcg in the picture is not low enough) As @mathmanican pointed out, this is happening because of calculation rounding. So is it exploity? In my opinion, it's not. Since the temperature increase is so small, as small as 0.0000001 C/s for estimation, if calculation counts it, the temperature will rise 1 degree every 1000 cycles, this is really trivial. That's why I think it's not really exploity exploit, it's close to fair calculation.
  8. I think it's straight forward enough. Some info about this system in spoiler And if I stack 1 more then... Question: are the followings true? - if you stack 5 (of them side by side possibly) with 1 port open, you get 5 times as much power - if you stack 5 with 5 ports open, all of them will run only 1/5 of the time, producing as much energy as 1 turbine with 5 ports open running 100% uptime, which is also the same as 1 turbine with 1 port open running 100% uptime. So does it mean all the effort for nothing? - there is a way to make 5 turbine working 100% uptime together with 30 pumps instead of 150 pumps (since each one turbine usually require 30 pumps) given enough heat source.
  9. This is just a yes or no question. I’ve tried, and it always deleted gas. I wonder if I did anything wrong. If it’s a yes, then I’ll just forget about it
  10. Finally!!!! With QoLIII, the old turbine is gone. This thread is now mostly useless. If the new turbine has as many bugs/issues, I'll start a new thread. In honor of @SamLogan's "Everything you need to know" series, I now present, The Steam Turbine: Everything you need to know. To make a turbine work you need three things. Steam in at least one of the 5 tiles directly beneath the turbine. One of these 5 tiles directly beneath the turbine must have a temperature of 500K or above (can be a solid tile, a liquid, or any gas - see spoiler). The largest steam pressure under the turbine must be 3K larger than the smallest pressure (liquid/gas) in the 5 tiles located at the top of the turbine. What happens when the requirements are met? The steam turbine take a few moments to spin up (red bar becomes green). Once the bar reaches green, the turbine sucks up steam underneath the turbine (up to roughly 2kg/s per unblocked port for a total maximum of 10kg/s). The steam spits out the top (in the top 5 tiles) at exactly 425K (no matter how hot it was to start with). You gain 2000W. What kind of error messages will I see: "No Wire Connected" - Connect a wire to the turbine. "Input Blocked" - One unblocked port is enough. This message can currently be ignored. "Underpressure" - The largest pressure steam tile under your turbine does not have 3K more pressure than the lowest pressure tile above. Either increase the pressure below, or decrease the pressure above, or both. "Cold Steam" - The hottest tile under your turbine dropped below 500K. You'll need to heat things up. Other Topics - Exploits/Bugs/Uses/Links/More Each question below has several ideas in the spoiler. Some contain links, some do not. Answers might be a single word, which means you'll find examples in the unsorted links group at the bottom of this post. If you find a useful post I have not included, please let me know and I'll get it added. Should I block ports, or leave them open? How do I maintain the pressure difference? How do I maintain the temperature underneath to be above 500K? Common uses I'll add more links to the stuff above as I have time. Feel free to add links in the comments if something has helped you with this crazy contraption. For now, here are several things you can study further. Unsorted Links to Other Forum Posts - With Commentary
  11. Hello again. This time I presenting to your attention second iteration of the condensing steam turbine Thank the Reddit user named hackcasual who gave me the idea to add "heat recovery unit' which takes steam after wind turbine and use it to reheat water/stream. I this way efficiency got dramatically increased. This build has 3 steam turbine that running 100% up-time. To make so, there are should be significant steam pressure/mass. Also, there are 4 aqurtuners, 2 of which run 100% time and 2 others are flickering on and off. The surplus of power is around 1200kJ per cycle, which is equal to 2000W; For more details watch the video, link below:
  12. There have been lots of posts in the last few weeks about the steam turbine. The three key things we need to make sure the turbine run are: Steam in at least one spot under the turbine. (Why not require all to be steam - I'll force this condition on this build.) A hot spot under the turbine (500K or higher). This currently can be a solid tile, another gas, or hot steam. Only 1 tile must be hot. A pressure difference of 3K (uses MAX pressure of tiles below and MIN pressure of tiles above). Ooooh - fun. So as long as one tile underneath has high pressure, we can do whatever we want with the others. Time to EXPLOIT this MIN/MAX problem. I've seen lots of arguments pointing at tile blocking as one of the biggest current exploits. The chlorine clamp design definitely uses it. I wanted to know if I could remove the chlorine clamp, and still obtain a 100% uptime turbine, with minimal to no additional heat needed. I present to you a modification. I have not tried to optimize this, rather wanted to see what I could do without a chlorine clamp (not usable if all 5 ports must be steam). Turns out the clamp isn't needed. The turbine above will run for a few hundred cycles, without any external heat source. All I need to get it to run forever is to very rarely add some heat, or come up with a better design that takes advantage of fact that any thermal transfer below a specific threshold gets rounded to 0. Here's a couple possible alternatives. Conclusion: The steam turbine needs more work than just forcing it to run with all ports unblocked. Now, if the rules change and the turbine compares the MIN pressure below the turbine to the MAX pressure above the turbine, then this build is completely destroyed (and it might even ruin any gas conflict builds - might). Currently the turbine looks at MAX pressure below and MIN pressure above (which is where the exploit comes from). Happy ONI everyone. I'd love to see a condensation run version of this, but figure I'll leave that fun to someone who found this post interesting.
  13. Hi guys, i'm kinda new, i came back to the game last month ish, after months inactivity. I tried to look for designs for steam turbine and volcano, i could see potencial, had hard time making it work, didnt find much online (a lot of people think its not worth it). Yes i used debug a bit: going in there hot is hot, it's my first ''real game'', i like the map and want to learn with this one. so, in a few lines: -Vaccum and exo to go in the volcano once every 90 ish cycles to destroy rocks. You lock it behind (with insulated tiles) your dupe and make him clean everything and come back. -Pump for water set for 10k pressure or less (for when volcano is about to explode, but 95%+ off, but was main source of steam earlier) -Pump for steam set for 17500k pressure (when you reach 20k it stall in pipes and break due to cooling, putting it at 17.5k gives time to steam to get inside) -Pump for radiant pipe of polluted water to condense steam, and since i have too much water, i have another door that can dump steam in space if pressure reach 20k I get much power from this, i dont know, net 600-800w and its completely free. Main issue is radian pipes polluted water willl get hot over time, but i could simply dumb steam in space since i have too much water, I hope it helps,
  14. so i have a minor volcano erupting magma 116kg/s at 2785 degree C so i have used this design to cool it and also use for power generation the problem is that the magma is turning into igneous rock which is blocking my volcano mouth now the whole setup is completely packed its hard to deconstruct and put robo minor there what i should have done instead