In the home, water hammer may occur when a dishwasher, washing machine, or toilet shuts off water flow. The result may be heard as a loud bang, repetitive banging (as the shock wave travels back and forth in the plumbing system), or as some shuddering.o for a valve closing instantaneously, the maximum magnitude of the water hammer pulse is: where Î´ P is the magnitude of the pressure wave (Pa), Ï is the density of the fluid (kgm â3), a0 is the speed of sound in the fluid (ms â1), and Î´ v is the change in the fluid's velocity (ms â1).
CHKD - Children's Hospital of The King's Daughters, All Acronyms, viewed January 26, 2018, <https://www.allacronyms.com/CHKD/Children%27s_Hospital_of_The_King%27s_Daughters> mla All Acronyms.
xkcd, sometimes stylized as XKCD, is a webcomic created by Randall Munroe.The comic's tagline describes it as a A webcomic of romance, sarcasm, math, and language. Munroe states on the comic's website that the name of the comic is not an acronym but just a word with no phonetic pronunciation.kcd was also voted Best Comic Strip by readers in the 2007 Weblog Awards and 2008 Weblog Awards. It was also nominated for a 2009 NewNowNext Award in the category 'OMFG Internet Award'. Randall Munroe was nominated for the Hugo Award for Best Fan Artist in both 2011 and 2012.