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The equation is named after Edward Wight Washburn; [1] also known as Lucas–Washburn equation, considering that Richard Lucas [2] wrote a similar paper three years earlier, or the Bell-Cameron-Lucas-Washburn equation, considering J.M. Bell and F.K. Cameron's discovery of the form of the equation in 1906. [3]
For the condition of short time this shows a meniscus front position proportional to time rather than the Lucas-Washburn square root of time, and the independence of viscosity demonstrates plug flow. As time increases after the initial time of acceleration, the equation decays to the familiar Lucas-Washburn form dependent on viscosity and the ...
In mathematics, the Jacobsthal numbers are an integer sequence named after the German mathematician Ernst Jacobsthal.Like the related Fibonacci numbers, they are a specific type of Lucas sequence (,) for which P = 1, and Q = −2 [1] —and are defined by a similar recurrence relation: in simple terms, the sequence starts with 0 and 1, then each following number is found by adding the number ...
A force balance equation known as Washburn's equation for the above material having cylindrical pores is given as: [1] ...
(The Center Square) - California utility prices have increased 51% more than then national average, while California rents have increased 21.6% less than national average, according to a new ...
President-elect Donald Trump has said he might install his picks for top administration posts without first winning approval in the U.S. Senate. This would erode the power of Congress and remove a ...
At around 8:20 a.m., Lata Landi, 36, a Peekskill, New York, resident, was standing in front of a construction site near Chelsea when a bearded man approached him and, without provocation, stabbed ...
Observe that t and t + 1 are relatively prime, so that t (t + 1) / 2 = s 2 happens exactly when they are adjacent integers, one a square H 2 and the other twice a square 2P 2. Since we know all solutions of that equation, we also have