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Showing posts with label home. Show all posts
Showing posts with label home. Show all posts

photovoltaic systems

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photovoltaic systems

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In this article I am going to talk about the first type of photovoltaic systems   On-grid system **The mechanism The solar panel convert the sunlight to electromotive force And give (DC) current .This current transferred...[read more]

Wind Energy

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Wind Energy

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Wind Energy : we are always looking for ways to protect the earth that we are living on, these ways contains the renewable energy. We will talk about one of these energies and that will...[read more]

Boilers

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Boilers

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A boiler (or steam generator, as it is commonly called) is a closed vessel in which water, under pressure is transform into steam by the application of heat. Open vessels and those generating steam at...[read more]

Nomographs in hybrid system

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Nomographs in hybrid system

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A Nomograph is a kind of chart that conveys the relationship between different sets of numbers. The hybrid operation nomographs below convey the relationship between RPM for MG1, MG2 and the engine. Because MG1, MG2...[read more]

Stairs

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Stairs

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Stairs : is a set of steps leading from one floor of a building to another, typically inside the building or   a series of steps or flights of steps for passing from one level to...[read more]

Geotechnical engineering

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Geotechnical engineering

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The first step to start any construction is the geotechnical investigation studies , these studies include type of soil , types of rock in the site and the it's topography . Soil :  There are...[read more]

Hybrid system overview

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Hybrid system overview

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The hybrid system is the wave of the future, and now there are more incentives to purchase one. Owners of the Prius, or any other hybrid gas-and-electric vehicle, may be eligible for a federal income...[read more]

Atkinson cycle

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Atkinson cycle

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THE ATKINSON CYCLE the Atkinson cycle significantly improved the fuel-efficiency of a four-stroke spark ignition engine through one particularly ingenious modification. The four basic phases of the Otto cycle remained but Atkinson introduced a new...[read more]

Bridges engineering

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Bridges engineering

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Bridges is the structure element that carrying a road or a path , bridges consist from deck slab , abutment and piers . Types of bridges : 1-slab bridge : the type of bridge that...[read more]

Solar Energy

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Solar Energy

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now we are going to talk about solar energy  solar energy has tow main type : 1- thermal energy  2- photovoltaics  photovoltaics  in this article we are going to show some information about photovoltaics technology ...[read more]

steel structure

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steel structure

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Today we will talk about steel structures in general and for the most important advantages and disadvantages: The pros and cons of steel structure* First the pros :- beauty form.  performance efficiency.  low cost.  lighting...[read more]

Prestressed concrete

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Prestressed concrete

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Prestressed concrete is the type of concrete that has a tensioned steel inside the concrete as strands , the basic concept of this concrete is to transform the section from tension - compression section to...[read more]

Rankine Cycle

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Rankine Cycle

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The figure above shows Rankine cycle which includes the following  processes : 2-3 Boiler : in this stage compressed water at point (2) enters the boiler to increase it's temperature by heat exchange between fire...[read more]

Gearbox

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Gearbox

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Introduction:- An automobile requires high torque when climbing hills and when starting, even though they are performed at low speeds. On other hand, when running at high speeds on level roads, high torque is not...[read more]

Refrigeration Cycle

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Refrigeration Cycle

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Simple form of refrigeration cycle is shown in the following figure :  Refrigeration cycle  : is a closed loop where the refrigerant flows through it .  The Refrigerant enters evaporator at low temperature low pressure,...[read more]

The Energy

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The Energy

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The energy  Before we begin explained about renewable energy there is information that you should know about the the energy . What is energy ? I notice that when I ask this question , they...[read more]

Columns

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Columns

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The second structural element is column (compression member) ,this element which provide construction elevation and connects the footing with beams and slabs to transfer the loads . types of columns according to braces : 1-braced...[read more]

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