Approach

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approach

[ə′prōch]
(mechanical engineering)
The difference between the temperature of the water leaving a cooling tower and the wet-bulb temperature of the surrounding air.
(navigation)
In air operations, a maneuver executed by an aircraft in making its transit from high-altitude enroute flight to the point where it begins the landing approach; includes maneuvers (such as flying race-track pattern) required for traffic control.

Approach

 

in space navigation, a series of consecutive maneuvers by which one spacecraft is brought into close proximity to another. The aim of approach may be inspection, mooring, or assembly in orbit. Inspection, for example, entails the examination of a spacecraft at close range in order to determine the necessity of repairs. Mooring involves the temporary linking of two spacecraft with a flexible line.

Approach may be accomplished in two ways. In one technique only the final distance separating the two spacecraft is critical, and the closing speed at the moment of closest approach is not a factor. In the second technique the closing speed up to the moment of closest approach should be very low, ideally zero. This second technique requires larger expenditures of fuel than the first.

Approach requires that the two spacecraft be equipped with radio communications systems, computers, rocket engines, and navigation control systems. The active spacecraft carries out the search, maneuvering, and approach missions, while the second one is passive.

The first approach of two spacecraft with crew participation was carried out by the American spacecraft Gemini 6 and Gemini 7 in 1965. The first approach of three spacecraft with crew participation was carried out by the Soviet spacecraft Soyuz 6, Soyuz 7, and Soyuz 8 in 1969.

approach

That part of an aircraft flight path from the end of the en route phase of the flight to touchdown.

Approach

A relational database that is part of Lotus SmartSuite. It provides the ability to graphically create Windows applications using industry standard database formats, such as dBASE and Paradox. It includes macros and the ability to attach programming statements to data, providing a way to automate many kinds of applications. See Lotus SmartSuite.
References in classic literature ?
As the white-furred one approached, the six grasped their swords more firmly--the hooked instrument in the left hand, the straight sword in the right, while above the left wrist the small shield was held rigid upon a metal bracelet.
The wood-chopper was seen broiling his supper on the coals as they lost sight of the fire, and when the boat approached the shore, the torch of Mohegan’s canoe was shining again under the gloom of the eastern mountain.
Tarzan approached the table and placed a finger on the map.
The beast was lying down as Tarzan approached, but he rose as the ape-man reached his side.
The poor wretch approached with hesitation, the alternate dread of famine and of white men operating upon his mind.
As he approached the mighty cat the creature stepped warily to one side, and the ape-man brushed past him within a foot of the dripping jaws, and as he continued on through the forest the panther followed on behind him, as a hound follows at heel.
She took the candle, and approached the corpse of the woman who had been literally killed at her side.
Country in which there are precipitous cliffs with torrents running between, deep natural hollows, confined places, tangled thickets, quagmires and crevasses, should be left with all possible speed and not approached.
The council also did a comprehensive analysis of several important communication tasks such as making a referral to a specialist, handling a patient complaint or compliment, etc., and approached each as if the slate were clean.