For the primary energy used.
There are several ways to get electricity from energy sources that exists in the environment then
briefly describe the most important:
Central termoelctricas.-Son plants using thermal energy from the combustion of hydrocarbons
Classification Of Mini Central Por La Presa.
There are two basic types of mini hydro:
1.8.1 Stations of flowing water.
In these plants, the water is captured turbinar riverbed through an intake, and once turbinada, it
is returned to the river in a differe
In this method the atmospheric pressure varies inversely proportional to the height above sea
level and depending on the pressure at a given location can determine its height; therefore, if
the pressure difference between two points is k
Closed headphones allow more or less complete auditory isolation of the subject who listens
and also prevent the reproduced sound go outside, so their applications tend to be more
dedicated to the professional field as studio monitoring
Practical expressions for calculation
Whereas filled ducts where:
Equation Ecuacin2.9 Bazin
Bazin formula becomes:
The values are:
0.16 seamless steel tubes
Cement pipe 0.20
0.23 for cast iron pipes
2.5.4 Load losses localized
Localized losses are part of
Power Of Interconnection Line.
Figure 1.13 Mains
Is called the set of grid means comprises electrical generators, transformers, transmission lines
and distribution lines used to carry power to the power load elements. For this purpose diff
Utilization factor and demand.
The utilization factor (m) is the factor that relates the time in which the energy delivered by the
central mini used, demand factor associated with the power demand placed centrally mini, to
obtain acceptable values have to
2.2.1 Concept and Use.
The printers turn out to be another Output Devices for obtaining the results of a process printed
visually; but the print quality is determined by the type of printer used from existing types.
2.2.2 Their types and their e
Problems With Turbines.
The main disadvantages are the turbines are cavitation and runaway.
Cavitacin.- when a liquid is subjected to a pressure greater than the pressure of the
evaporation, the liquid evaporates forming small vapor bubbles to burst cause
The electricity has a high incidence in the daily activities of human beings due to some
advantages such as:
Ease of use.
The reduced emissions produced consumption.
The ease of transport over long distances.
It can be obtained from various
1.1 Aircraft and their types
I start this section by making a quick pass, throughout the history of aviation.
1903: The Wright brothers invented the "Flyer", a biplane (two overlapping wings), with a piston
engine, with control of alerones.1920:
It is well known that in the commercial aircraft systems mechanical flight control, there is a
relationship between the determined position between the position of the flight controls and
adopting the aerodynamic control surfaces. This relation
CLASSIFICATION AND DEFINITION OF VTOL AIRCRAFT
We can define the VTOL aircraft as those aircraft that have the ability to take off and land
The classification of such devices is:
Airplanes "tail sitter"
It can be considered as the classic method of presenting information in a quantitative way.
The base and scale, or circle graduation, is the line, which may be real or perceived, which runs
from end to end of the scale and that the marks on
For centuries, when space travel was only a fantasy, astronomers, chemists, mathematicians,
meteorologists and physicists have developed a concept of the Solar System, the stellar
universe, the Earth's atmosphere and space environment possib
Specification of digital controllers
Rules that determine the design, installation and operation of the regulator.
They can be summarized as follows:
Each electronic controller must have an independent source to power the aircraft. Also, if you do
The uses of computers in the right career.
The computer is basically a tool, for by so doing, can streamline many things that took a long
time to make, for example, demand and writings in general, can also be used as a reference
tool also that there are n
First Generation Computers.
The first generation computers used bulbs to process information. Operators entering data and
programs in special code by punched cards. Internal storage was accomplished by rapidly
spinning drum, on which a re
HISTORY OF MOTOR JET.
The idea of appliances powered flight reaction is much older than we can suppose. Even before
Newton enunciated his famous law, an Alexandrian philosopher -Heron- the job to turn their
"aeolipile" a hollow sphere receiving the vapor
INSTRUMENTS OF PLANE.
ELEMENTS AND MECHANISMS OF INSTRUMENTS.
The instrument consists of four main elements: the element detector, which detects changes in
the value of the physical quantity or the condition presented to it; the measuring elemen
ANALYSIS OF SOME WHOLESALERS
Ambassador Tours. This wholesale company has a large number of catalogs: Brazil, Canada,
Costa Rica, Dominican Republic, Discover the World, Peru, Patagonia, Middle East, Mexico and
Ambassador Group Tours. nomasfron
THE TOURIST MARKET
Considering the tourism product as a combination of services, which requires a series of
specific knowledge for processing, it is easy to understand that travel agents, are responsible
for your project, preparation, and above all, final
The retail agencies, as defined by the WTO, provide the public with information about possible
travel, accommodation and the surrounding services, including hours and conditions of service.
Engaged therefore generate trips for the use of their own custome
Application of digital electronics on aircraft
Digital Engine Control
The commercial aircraft engines have installed the regulator FADEC (Full Authority Engine
Control). FADEC is constituted by the control computer and hardware (associated hardware)
ORGANIZATION OF A TRAVEL AGENCY
Usually, there is a basic structure within the organization AA.VV. This usually varies depending
on whether retail, wholesale or wholesale-retail. Depending on the activity in which it
specializes, according to the turnover
Iberia was born on June 28, 1927 legally, but it took six months for him to begin commercial
activity on 14 December of that same year Madrid and Barcelona were joined by air, after King
Alfonso XIII inaugurase with test flight the
WHAT IS THE AVIATION?
Aviation is the term applied to the science and practice of the heavier than air, including
airplanes, gliders, helicopters, aircraft VTOL (vertical takeoff and landing) and STOL (short
takeoff and landing) aircraft.
TRAVEL AGENCIES AND SALE OF FLIGHTS
The Inclusive Tour Charter is one of the most important business of some travel agencies.
Chartering an entire aircraft, usually a secondary transport company, the price per visitor is
often reduced dramatically on long
Origin of the Universe
1- In the early beginning, when there were not even the atoms composing all matter in the
universe was arranged in a plasma. This initial state of the universal provision prevented any
possible combination that could lead to some so
Tourism Bureau, composed of tourism entrepreneurs, whose core activity is directly related to
For tour operators, the main feature of the 2003 season has been erratic, with a large number of
reservations made just few days before