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Samenvatting NASK Hoofdstuk 3

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2018/2019

Ik heb een samenvatting gemaakt van hoofdstuk 2 van de methode van Overal NASK leerjaar 2 vwo.

Level
VWO / Gymnasium
Course
NASK








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Written for

Institution
Secondary school
Level
VWO / Gymnasium
Course
NASK
School year
2
All documents for this subject (19)

Document information

Uploaded on
February 16, 2021
Number of pages
4
Written in
2018/2019
Type
Summary

Subjects

  • nask
  • nask
  • hoofdstuk 3
  • vwo 2
  • samenvatting
  • vwo

Content preview

Hoofdstuk 3

3.1 water stroomt

Drinkwater = schoon water dat voor consumptie is geschikt

Grijswater = iets viezer water waarmee je kunt schoonmaken

Watermeter = apparaat dat het volume v/h verbruikte water in L of m3 meet

Debiet = hoeveelheid water in bepaalde tijd: L/s of m3/s

Bij splitsende leidingen: debiet hoofdstroom = debiet alle deelstromen samen

Waterpompen en watertorens voor druk in de waterleiding. In watertorens is
het waterniveau constant en veel hoger dan in de huizen, waardoor druk
ontstaat. Hoe groter het hoogteverschil, hoe meer druk.

Na gebruik wordt water gezuiverd en dan aan de natuur terug gegeven.

Waterkringloop = gebruiken-zuiveren-drinkwater

§3.2 Warmte uit aardgas

Aardgas = een energiebron

Verbrandingsreactie = aardgas+zuurstof=CO2+water

CV:

Verbranding blokschema voor energieomzetting

Rendement = nuttig gebruikte energie = in dit voorbeeld 10%

Kiezen van brandstof let je op: verbrandingswarmte, makkelijk te krijgen, afval.

Verbrandingswarmte = de hoeveelheid geleverde warmte per kg of m3 v/d stof

Stadsverwarming = warm fabriekswater gebruiken om huizen te verwarmen
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