{"id":1902,"date":"2024-08-10T01:27:37","date_gmt":"2024-08-09T18:27:37","guid":{"rendered":"https:\/\/www.tneutron.net\/sipil\/?p=1902"},"modified":"2024-08-07T07:49:02","modified_gmt":"2024-08-07T00:49:02","slug":"characteristic-curves-pump","status":"publish","type":"post","link":"https:\/\/www.tneutron.net\/sipil\/characteristic-curves-pump\/","title":{"rendered":"Characteristic Curves Pump"},"content":{"rendered":"

Pump characteristic curve also called the performance curve, describes the relationship between capacity, head, power and efficiency of pump (Figure 9:17).<\/span> Knowledge pump characteristic curve is required to select a pump on certain operational conditions that give high efficiency and low operating costs.<\/span> Generally Head, input power and efficiency is structured as ordinate while the capacity as abscissa at a constant pump speed.<\/span><\/p>\n

NPSH when shown are also mounted on the ordinate.<\/span> Approximately 6-12 point used during the test pump (pump test).<\/span> Smooth curves connected at these points.<\/span> Head curve – shows how much capacity the water flow will be issued at a certain head.<\/span> Debit increases with decreasing head.<\/span> Efficiencies generated increased from zero at zero discharge up to a maximum point and then decrease again.<\/span><\/p>\n

BHP in centrifugal pumps usually come up on a hose as discharge increases, reaching a maximum point.<\/span> This curve changes with the speed of the pump.<\/span> Then the speed should be considered in selecting a pump to get the maxi-mum efficiency.<\/span> Each curve has also changed the type of pump.<\/span>
\n\"image\"<\/a>
\n Figure 58. Typical Characteristics Curves Centrifugal Pumps<\/span><\/p>\n

How to read the curve, for example in Figure 9:17 desired to get a head, HP and efficiency at capacity.<\/span> By reading the curve of intersection between the head, BHP will be obtained efficiency.<\/span><\/p>\n

Water Horse Power (WHP):<\/strong><\/span>
\n Water horse power (WHP) is the theoretical horsepower required to pump water with a certain flow and high head.<\/span> Head and discharge expressed in horsepower (horse power).<\/span>
\n\"image\"<\/a>
\n or<\/span>
\n 1 HP = 75 liters \/ detik.meter = 0,075 m3 \/ sec meter = 0.74 KW.<\/span><\/p>\n

Shaft Horse Power is the power needed at the pump shaft.<\/span>
\n\"image\"<\/a><\/p>\n

Efficiency is the ratio between the power output to power input.<\/span>
\n\"image\"<\/a><\/p>\n

Brake Horse Power is the actual power required by the machine for pumping:<\/span>
\n When used, the direct connection BHP = SHP<\/span>
\n When using a belt (belt) or other connective then:<\/span>
\n\"image\"<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Pump characteristic curve also called the performance curve, describes the relationship between capacity, head, power and efficiency of pump (Figure<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"colormag_page_container_layout":"default_layout","colormag_page_sidebar_layout":"default_layout","footnotes":""},"categories":[1865],"tags":[2497,2498,2502,2505,2504,2500,2501,2499,2503,2506],"class_list":["post-1902","post","type-post","status-publish","format-standard","hentry","category-english","tag-characteristic-pump","tag-characteristic-pump-curve","tag-pump-characteristic-curve-equation","tag-pump-characteristic-curve-experiment","tag-pump-characteristic-curve-explanation","tag-pump-characteristic-curve-pdf","tag-pump-characteristic-curve-ppt","tag-pump-characteristic-curve-wiki","tag-pump-characteristic-equation","tag-pump-characteristic-experiment"],"yoast_head":"\nCharacteristic Curves Pump - 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