water polo layouts
What to expect in playing water polo?

I’m starting high school next week and I wanted to try a different water sport rather than swimming. I want to join the water polo team. I’ve never played and I’m a bit nervous. I’m not sure what to expect when i go to the try outs on monday and I don’t really understand some of the rules.

I went on youtube to look for some more info and it gets pretty crazy. One of my friends girlfriends plays and said she broke a rib playing. I thought she was joking but she was serious.

Are you allowed to go under the water when your not holding the ball?
And what is the layout of your team? I know theirs a flat, wing and goalie but i don’t know where they should be and what they should do.

FYI, I’m a girl. I hear girls pinch the opponents boobs to get the ball. Anything else i should look forward to?
Thanks! :)

Dont worry i felt the same way when i first started polo, but its sooo much fun and you get in the best shape. Dont get me wrong it is an intense sport and yes girls do pinch you but you cant be afraid like i was when i first started because intimidation is visiable and makes you an easy target. If a girl pinches you pinch back, im not saying to play dirty but you have to do what you need to, to survive all in all dont be afraid to be agressive. Yes you can go under the water but its not a good idea since you wont know whats going on above the water, keep your head up at all times. Dont worry too much about the layout it will be taught to you at practice, just know a goalie is always the goalie, and in a game every other player can rotate into any given position. Good luck dont be scared, you will do great and dont forget to ask for help when its needed thats what your coach and teammates are there for. Be aggresive.

water polo layoutswater polo layouts
water polo layouts

Sprinkler system design a number of important issues – the sprinkler system, automatic fire fighting – Fire Industry

Focus Fire: The first ten selected application hot application>>

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Description: from the design point of view, to the joint “Automatic sprinkler Fire extinguishing system Design Code “(GB50084-2001) [1] (hereinafter referred to as” spray Regulations “) and engineering practice on the automatic sprinkler system design Sprinklers Layout, hydraulic calculations, fire water tank and pump adapter for analysis of such issues to explore, for experts, peer criticism, correction. ?

Keywords: sprinkler hydraulic calculation fire sprinkler heads designed tank pump adapter

1, sprinkler heads ? Rational arrangement of nozzle is designed sprinkler system security and economic critical. “Spray rules” more emphasis on the role of the fountain area of strength and uniformity of sprinkler and nozzle opens up. For each nozzle radius, first, and manufacturers of products and their Technology Parameters, second, and the nozzle location of the pressure the third, and the location of the sand (Column network and the impact of a variety of obstacles). “Spray rules” prescribed distance in only a “limited” purpose is to better ensure the strength and water spray sprinkler uniformity and timely opening. ?

1.1 principles and requirements of sprinkler heads

(1) the role of area to meet the water density and the uniformity of spray nozzle of the timely opening (nozzle of the heating conditions and opening hours);

(2) within a radius of a flexible spray nozzle in the arrangement, does not appear uncovered gaps, there are not too many important coverage;?

(3) ensure that wet the foot of the wall and a range of wall;?

(4) between each other and not affect the inter-jet;?

(5) according to specifications and practical obstacles to block the deal, and actively coordinate with relevant expertise;?

(6) shall meet the specifications of the sprinkler heads of other relevant requirements;?

(7) to consider Fire When the smoke plume effects on the action of the nozzle;?

(8) combined with practical, comprehensive analysis of the relevant norms, food to eat deep-quasi-norm in the words, considering.

1.2 radius and sprinkler heads spray

Spray nozzle radius is the main basis for layout, it represents an economic value, will not occur when the nozzle is not covered by the work of the blank, there are not too many important coverage. With dangerous levels of water density, the nozzle characteristics and work stress. Engineering design sprinkler heads, as the architecture, the spray radius can be flexible with square, rectangular or square-shaped quadrilateral. Spray nozzle radius is different from the calculation of the radius, which is the basis in calculating the radius, taking water density, water spray uniformity, nozzle heat conditions and opens up, according to the provisions of norms derived values. Specific Table 1: Due to the arrangement of sprinklers more affected by other factors, in fact, there is often not according to a fixed nozzle distance arrangement, let alone the same building are not according to a distance distribution is the same floor, the same fire district often the case. In addition, as a civil engineering design, different from the Decoration Design, need to re-decoration have left room, distance should not be in accordance with specification requirements to set the maximum distance, but in fact do not easy to achieve the specifications of sprinkler and water spray of uniform intensity. ?

Design must be based on actual projects, selected according to the design water density nozzle flow coefficient, pressure of work to determine and consider the nozzle of the heating conditions and opening hours to meet the specifications of the sprinkler intensity conditions, according to The actual working pressure nozzle, combined with the structure of buildings separated by a flexible column grid layout. In the arrangement, the nozzle spacing should not be a fixed number of conditions should be based on the location to be the ultimate aim is to ensure strength and water spray sprinkler uniformity and timely opening.

1.3 should not be interpreted collector?

“Spray rules” on the request of the collector, see section 7.1.7, it is proposed for the shelf sprinkler heads, “the spray of water regulatory board called the collector file. When the nozzle above the holes, gaps, in order to prevent the nozzle due to heat flow does not stop or cool down the upper nozzle Spraying can not start, provisions should be set at the nozzle above the collector plate. In addition, ” Auto Library, repair garage, parking lot for fire protection design “[2,] in 7.2.3.2 provides mechanical garages, double-pallet parking garage according to location of layered arrangement of the nozzle, should set its top collectors board. In engineering practice, the collector of Use much more than that, has been interpreted in more occasions, but this approach has not normative basis, but also often with the original intention of carrying the Chi set. FM companies, according to a study results show that the nozzle moves over 80% of the calories needed to come from thermal convection, and convection heat transfer to the nozzle of the hot air flows through the nozzle needs to be completed. If the fire point not directly in front nozzle, then the increase in thermal convection would not set the box like an upside down, blocking the flow of hot air iron levels, fire, air flow in the nozzle formed at corners, while the delayed sprinkler response time. Thus, on the collector plate set and the speech should be carefully considered and should be based on existing norms, actual situation, determined after analysis and demonstration.
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