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<\/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<\/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<\/a><\/p>\n

Efficiency is the ratio between the power output to power input.<\/span>
\n<\/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<\/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 9:17). Knowledge pump characteristic curve is required to select a pump on certain operational conditions that give high efficiency and low operating costs. Generally Head, input power and efficiency is structured as ordinate while the …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"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"],"_links":{"self":[{"href":"https:\/\/www.tneutron.net\/sipil\/wp-json\/wp\/v2\/posts\/1902","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.tneutron.net\/sipil\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.tneutron.net\/sipil\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.tneutron.net\/sipil\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.tneutron.net\/sipil\/wp-json\/wp\/v2\/comments?post=1902"}],"version-history":[{"count":1,"href":"https:\/\/www.tneutron.net\/sipil\/wp-json\/wp\/v2\/posts\/1902\/revisions"}],"predecessor-version":[{"id":3400,"href":"https:\/\/www.tneutron.net\/sipil\/wp-json\/wp\/v2\/posts\/1902\/revisions\/3400"}],"wp:attachment":[{"href":"https:\/\/www.tneutron.net\/sipil\/wp-json\/wp\/v2\/media?parent=1902"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.tneutron.net\/sipil\/wp-json\/wp\/v2\/categories?post=1902"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.tneutron.net\/sipil\/wp-json\/wp\/v2\/tags?post=1902"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}