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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.
Robert S. Rivkin (born December 6, 1960) is the Chief Legal Officer of United Airlines. Until February 2019, he was Deputy Mayor of the City of Chicago, focusing his efforts on economic development, job creation and retention, and infrastructure. For a year prior to his appointment, he practiced law at Riley Safer Holmes & Cancila LLP, advising ...
The Mid-Western Region was a division of Nigeria from 1963 to 1991, from 1976 being known as the Bendel state. [1] [2] It was formed in June 1963 from Benin and Delta provinces of the Western Region, and its capital was Benin City. It was renamed a province in 1966, and in 1967 when the other provinces were divided into several states, it ...
Dirichlet kernel. In mathematical analysis, the Dirichlet kernel, named after the German mathematician Peter Gustav Lejeune Dirichlet, is the collection of periodic functions defined as. where n is any nonnegative integer. The kernel functions are periodic with period . Plot restricted to one period of the first few Dirichlet kernels showing ...
Convair XF-92. Developed into. F-106 Delta Dart. The Convair F-102 Delta Dagger [N 2] was an interceptor aircraft designed and produced by the American aircraft manufacturer Convair. A member of the Century Series, the F-102 was the first operational supersonic interceptor and delta-wing fighter operated by the United States Air Force (USAF).
A self-service laundry, coin laundry, or coin wash, is a facility where clothes are washed and dried without much personalized professional help. They are known in the United Kingdom as launderettes or laundrettes, and in the United States, Canada, Australia and New Zealand as laundromats. In Texas and other parts of the south central United ...
Website. databricks .com. Databricks, Inc. is a global data, analytics and artificial intelligence company founded by the original creators of Apache Spark. [3] The company provides a cloud-based platform to help enterprises build, scale, and govern data and AI, including generative AI and other machine learning models. [4]
Delta II was an expendable launch system, originally designed and built by McDonnell Douglas, and sometimes known as the Thorad Delta 1. Delta II was part of the Delta rocket family, derived directly from the Delta 3000, and entered service in 1989. There were two main variants, the Delta 6000 and Delta 7000, with the latter also having "Light ...