منابع مشابه
Available Potential Energy and the Maintenance of the General Circulation
The available potential energy of the atmosphere may be defined as the difference between the total potential energy and the minimum total potential energy which could result from any adiabatic redistribution of mass. It vanishes if the density stratification is horizontal and statically stable everywhere, and is positive otherwise. It is measured approximately by a weighted vertical average of...
متن کاملOcean Convective Available Potential Energy. Part I: Concept and Calculation
Thermobaric convection (type II convection) and thermobaric cabbeling (type III convection) might substantially contribute to vertical mixing, vertical heat transport, and deep-water formation in the World Ocean.However, the extent of this contribution remains poorly constrained. The concept of ocean convective available potential energy (OCAPE), the thermobaric energy source for type II and ty...
متن کاملGeneration of Available Potential Energy in Hurricane Hilda
The energetics of hurricane Hilda (1964) are studied through the theory of available potential energy applied to a limited fixed region surrounding the storm. The generation of available potential energy is shown t o be closely dependent on differential heating within the baroclinic structure of the hurricane, occurring primarily in the middle and upper troposphcre of the core of the storm. The...
متن کاملBlast Design for Improved Productivity using a Modified Available Energy Method
In this work, a new drilling and blasting design methodology is introduced and applied at a case study mine to improve productivity. For the case study copper mine, a blast diameter of 203 mm is proposed to be used in the ore zone to meet the new required production rate of 90mtpa from 75mtpa. Currently, the Konya and Walter’s model is used to generate drilling and blasting design at a bl...
متن کاملAvailable potential energy density for a multicomponent Boussinesq fluid with arbitrary nonlinear equation of state
In this paper, the concept of available potential energy (APE) density is extended to a multicomponent Boussinesq fluid with a nonlinear equation of state. As shown by previous studies, the APE density is naturally interpreted as the work against buoyancy forces that a parcel needs to perform to move from a notional reference position at which its buoyancy vanishes to its actual position; becau...
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ژورنال
عنوان ژورنال: Journal of Physical Oceanography
سال: 1981
ISSN: 0022-3670,1520-0485
DOI: 10.1175/1520-0485(1981)011<0030:apefme>2.0.co;2