Design load of a water tube ride, such as on a cruise ship

In summary, the conversation revolved around the design of an elevated water tube ride and the impact of a floating object on the structural requirements. The question of whether the weight of the object floating on the water's surface needs to be factored into the design criteria was discussed, with the possibility of out of balance loads being a concern. However, due to the potential safety risks and lack of complete information, it is recommended to consult a certified expert for a proper analysis and design.
  • #1
AlaskaJoe73
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When designing the structure of an elevated water tube ride (water flows by gravity through a tube large enough to accommodate 2 people on a float, say 500 lb. max. and the volume of water is constant) how much effect does the object floating on the water have?
 
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  • #2
AlaskaJoe73 said:
how much effect does the object floating on the water have?
have on what?

The more specific your question, the better quality answer we can give. Can you explain what you are trying to accoplish and why that question is important?
 
  • #3
AlaskaJoe73 said:
When designing the structure of an elevated water tube ride (water flows by gravity through a tube large enough to accommodate 2 people on a float, say 500 lb. max. and the volume of water is constant) how much effect does the object floating on the water have?
Hello and Welcome to PF!
:welcome:

I've moved your thread into our Classical Physics forum, as the introduction forum is meant as an opportunity to say some words about yourself, if you like to, and not for technical questions. But as @anorlunda already said: your question is rather vague, so we might move it again, e.g. into our engineering forum or DIY forum.
 
  • #4
anorlunda said:
have on what?

The more specific your question, the better quality answer we can give. Can you explain what you are trying to accoplish and why that question is important?
Trying to determine if the design structure is based solely on the weight of the tube with a max volume of water or if the structural design criteria must include the weight of the object floating on the water's surface. The reason for the question is determine the correct answer to a conversation my son and I were having, as to whether the weight of the float distributed across the surface of the water has an impact on the structural requirements of the water tube supports. We estimated that the float was traveling 4 to 6 feet/second through 10 foot sections of tube. We clearly understand the safety factor in the design criteria of this device will far accede maximum possible load. We simply want to determine if the maximum weight (estimated at 500 lbs.) is factored into the design criteria.
 
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  • #5
Arent people mostly made of water?

Why wouldn't they have a similar effect as an extra slug of water going down the tube?

I don't think it's safe to argue that they are floating so displace an equal mass of water.

My guess is that they have to allow for out of balance loads eg situations like start up where the tube may have more water in some places than normal or the flow may not be as uniform as normal.
 
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  • #6
You are asking about the design of structures which can cause injury or death.

We do not regulate who will answer, esp. not their expertise.
We cannot give statements with a potentially legal impact.
We are not certified.
We cannot know the entire situation, regardless how detailed your description might be. I.e. we have neither all variables nor enough statistical nor mechanical data, which a responsible judgement would require.
Even an informal answer cannot be given, as we do not have control over its usage.
So as in all of these cases, we strongly recommend to consult a local expert, who can inspect what you are talking about, has sufficient experience and data for comparison, plus most important: is certified, so that his expertise will be of legal value.Thread closed.
 

1. What is the purpose of determining the design load of a water tube ride?

The design load of a water tube ride is important because it ensures the ride can safely support the weight and force of riders, while also considering potential external factors such as wind and water pressure.

2. How is the design load of a water tube ride calculated?

The design load of a water tube ride is calculated by taking into account the weight of the ride structure, the weight of the water, and the weight of the riders. This calculation also considers the maximum possible forces that could act on the ride, such as waves and wind.

3. What factors can affect the design load of a water tube ride?

The design load of a water tube ride can be affected by various factors such as the type of water the ride will be operating in (e.g. ocean vs. pool), the location and climate of the ride (e.g. tropical vs. arctic), and the potential for extreme weather conditions such as storms or high winds.

4. How often should the design load of a water tube ride be evaluated?

The design load of a water tube ride should be evaluated periodically, especially when changes are made to the ride structure or when there are significant changes in the operating conditions. It is recommended to have a professional engineer assess the design load at least every 5 years.

5. Can the design load of a water tube ride be exceeded?

No, the design load of a water tube ride should never be exceeded. Exceeding the design load can compromise the safety and integrity of the ride, putting riders at risk. It is important to always adhere to the recommended weight and occupancy limits set by the manufacturer.

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