rotating tank Archives - Adventures in Oceanography and Teaching

Finally published yesterday: “Student guides: supporting learning from laboratory experiments through across-course collaboration” by Daae et al. (2023)

October 7, 2023

A project near and dear to my heart is using the DIYnamics rotating tank experiments in across-course collaborations. “Older” students, who did experiments the previous year, are trained to then…

Learning together across courses — our iSSOTL presentation

November 4, 2021

Last week, Kjersti Daae and I gave a virtual presentation at the iSSOTL conference, and here is a short summary. We presented an ongoing teaching innovation project, funded by Olsen…

A scicomm comic on Rossby waves and hands-on teaching

August 27, 2020

Last year in pre-social distancing times, Torge and I brought hands-on rotating tank experiments into his “atmosphere and ocean dynamics” class. The “dry theory to juicy reality” project was a…

Tilting frontal surface under rotation / cylinder collapse

June 16, 2020

Torge and I are planning to run the “tilting of a frontal surface under rotation / cylinder collapse” experiment as “remote kitchen oceanography” in his class on Thursday, so I’ve…

Rotating vs non-rotating turbulence

June 9, 2020

Last Thursday, Torge & I invited his “atmosphere & ocean dynamics class” to a virtual excursion into my kitchen — to do some cool experiments. As you know, I have…

A common misconception in rotating tank experiments, and one way of maybe not reinforcing it

June 5, 2020

A very common misconception when looking at atmosphere & ocean dynamics in a rotating tank is that the center of the tank represents one of the poles and the edge…

Solid body rotation

May 30, 2020

Several of my friends were planning on teaching with DIYnamics rotating tables right now. Unfortunately, that’s currently impossible. Fortunately, though, I have one at home and enjoy playing with it enough…

Thermal forcing vs rotation tank experiments in more detail than you ever wanted to know

May 25, 2020

This is the long version of the two full “low latitude, laminar, tropical Hadley circulation” and “baroclinic instability, eddying, extra-tropical circulation” experiments. A much shorter version (that also includes the…

Thermal forcing vs rotation

May 23, 2020

The first experiment we ever ran with our DIYnamics rotating tank was using a cold beer bottle in the center of a rotating tank full or lukewarm water. This experiment is…

Ekman layers in my kitchen

May 21, 2020

Several of my friends were planning on teaching with DIYnamics rotating tables right now. Unfortunately, that’s currently impossible. Fortunately, though, I have one at home and enjoy playing with it enough…

Rossby-#WaveWatchingWednesday

May 20, 2020

Several of my friends were planning on teaching with DIYnamics rotating tables right now. Unfortunately, that’s currently impossible. Fortunately, though, I have one at home and enjoy playing with it enough…

Rotating tank experiments on a cone

November 29, 2019

I had so much fun playing with rotating tank experiments on a cone this afternoon! And with Torge Martin (who I have the awesome #DryTheory2JuicyReality project with) and Rolf Käse…

Thermal forcing in a non-rotating vs rotating case: Totally different results

November 23, 2019

On Thursday, I wrote about the thermally driven overturning circulation experiment that Torge and I did as past of our “dry theory 2 juicy reality” experiments, and mentioned that it…

Planetary Rossby waves

September 28, 2019

I ran my new favourite experiment again, the planetary Rossby waves. They work super well on the DIYnamics table we built in Kiel and they also worked really well the other…

Planetary Rossby waves on Beta-plane. A super easy tank experiment!

September 13, 2019

This is seriously one of the easiest tank experiments I have ever run! And I have been completely overthinking it for the last couple of weeks. Quick reminder: This is…

Taylor column in a rotating tank

September 11, 2019

For both of my tank experiment projects, in Bergen and in Kiel, we want to develop a Taylor column demonstration. So here are my notes on the setup we are…

Combining rotation of a water tank with a temperature gradient: A Hadley cell circulation demo!

August 15, 2019

Yesterday, we combined a thermally-driven overturning circulation with the effects of rotation, and thus created a Hadley cell circulation. And while the tank was turning faster than we would have…

Combining a slowly rotating water tank with a temperature gradient: A thermal wind demonstration!

August 14, 2019

Setting up an overturning circulation in a tank is easy, and also interpreting the observations is fairly straightforward. Just by introducing cooling on one side of a rectangular tank a…

Why do we need a rotating tank to study ocean and atmosphere dynamics? A demonstration

August 13, 2019

For our project “Ocean currents in a tank: From dry theory to juicy reality“, Torge, Joke and I are working on building affordable rotating tanks to use in Torge’s Bachelor…

Demonstrating Ekman layers in a rotating tank: High pressure and low pressure systems!

August 11, 2019

Ekman spirals — current profiles that rotate their direction over depth, caused by friction and Coriolis force — are really neat to observe in a rotating tank. I just found…

Working on our own affordable rotating table for oceanographic experiments!

July 6, 2019

Inspired by the article “Affordable Rotating Fluid Demonstrations for Geoscience Education: the DIYnamics Project” by the Hill et al. (2018), Joke, Torge and I have been wanting to build an affordable…

My first attempt at building a rotating table for kitchen oceanography using LEGO

January 27, 2019

Inspired by the article “Affordable Rotating Fluid Demonstrations for Geoscience Education: the DIYnamics Project” by the Hill et al. (2018), I spent a fun Sunday afternoon with my friends Joke and…

Bottom Ekman layer without a rotating table

October 31, 2018

Can you do a bottom Ekman layer demonstration without a rotating table? That’s the kind of challenge I like :-) The way I’ve previously showed bottom Ekman layers is by…

Of a pool that sits on a merry-go-round and how we use it to investigate ocean circulation in Antarctica

September 7, 2017

You know I like tank experiments, but what I am lucky enough to witness right now is NOTHING compared to even my wildest dreams. Remember all the rotating experiments we…

Tag: rotating tank

Finally published yesterday: “Student guides: supporting learning from laboratory experiments through across-course collaboration” by Daae et al. (2023)

Learning together across courses — our iSSOTL presentation

A scicomm comic on Rossby waves and hands-on teaching

Tilting frontal surface under rotation / cylinder collapse

Rotating vs non-rotating turbulence

A common misconception in rotating tank experiments, and one way of maybe not reinforcing it

Solid body rotation

Thermal forcing vs rotation tank experiments in more detail than you ever wanted to know

Thermal forcing vs rotation

Ekman layers in my kitchen

Rossby-#WaveWatchingWednesday

Rotating tank experiments on a cone

Thermal forcing in a non-rotating vs rotating case: Totally different results

Planetary Rossby waves

Planetary Rossby waves on Beta-plane. A super easy tank experiment!

Taylor column in a rotating tank

Combining rotation of a water tank with a temperature gradient: A Hadley cell circulation demo!

Combining a slowly rotating water tank with a temperature gradient: A thermal wind demonstration!

Why do we need a rotating tank to study ocean and atmosphere dynamics? A demonstration

Demonstrating Ekman layers in a rotating tank: High pressure and low pressure systems!

Working on our own affordable rotating table for oceanographic experiments!

My first attempt at building a rotating table for kitchen oceanography using LEGO

Bottom Ekman layer without a rotating table

Of a pool that sits on a merry-go-round and how we use it to investigate ocean circulation in Antarctica

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