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Delta Connection is a brand name for Delta Air Lines, under which a number of individually owned regional airlines primarily operate short- and medium-haul routes. Mainline major air carriers often use regional airlines to operate services via code sharing agreements in order to increase frequencies in addition to serving routes that would not sustain larger aircraft as well as for other ...
Delta TechOps (Technical Operations) is the maintenance, repair and overhaul (MRO) division of Delta Air Lines, headquartered at Hartsfield-Jackson International Airport in Atlanta, Georgia. With more than 9,600 employees and 51 maintenance stations worldwide, Delta TechOps is a full-service maintenance provider for the more than 900 aircraft ...
The history of Delta Air Lines began with the world's first aerial crop dusting operation called Huff Daland Dusters, Inc. The company was founded on March 2, 1925, in Macon, Georgia, before moving to Monroe, Louisiana, in summer 1925. [13] It flew a Huff-Daland Duster, the first true crop duster, designed to combat the boll weevil infestation ...
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In thermal engineering, the logarithmic mean temperature difference ( LMTD) is used to determine the temperature driving force for heat transfer in flow systems, most notably in heat exchangers. The LMTD is a logarithmic average of the temperature difference between the hot and cold feeds at each end of the double pipe exchanger.
Delta operates the world's largest fleets of the Airbus A220, Boeing 717, and Boeing 757, the largest passenger fleet of the Boeing 767, and the largest Airbus A330 fleet of any US airline. Delta has historically preferred purchasing or leasing used aircraft or using older-generation models to keep initial acquisition costs down.
The logarithmic decrement is defined as the natural log of the ratio of the amplitudes of any two successive peaks: where x ( t) is the overshoot (amplitude - final value) at time t and x(t + nT) is the overshoot of the peak n periods away, where n is any integer number of successive, positive peaks. The damping ratio is then found from the ...
e. In mathematics, the logarithm is the inverse function to exponentiation. That means that the logarithm of a number x to the base b is the exponent to which b must be raised to produce x. For example, since 1000 = 103, the logarithm base of 1000 is 3, or log10 (1000) = 3.