Recent Entries

• Is solar energy renewable?

  by niusha ztm January 22, 2021
   In the previous articles, we introduced solar energy. In this article, we intend to review the previous articles to examine the issue of whether solar energy is renewable or non-renewable? To answer this question, read this article to the end. Solar energy is radiant light and heat from ...

• Everything about Solar Energy

  by niusha ztm January 22, 2021
  A few years ago, the possibility of collecting solar energy from space and distributing it to the earth seemed like an idea that was light years away. Not anymore. Several countries including the US, China, Japan, India, and many countries in Europe are working on harnessing space-based solar power ...

• what is hvac system?

  by niusha ztm January 22, 2021
   HVAC stands for Heating, Ventilation, and Air Conditioning and is a device that provides heat and cold and generally heat and ventilation of an environment, whether it is a building or a car. First, we will explain the full definition of Wikipedia from HVAC, then we will mention and ...

• All the positive points of Tidal Energy

  by niusha ztm January 22, 2021
  The conversion of tidal energy into electrical energy (and other energies) is called tidal energy. Tidal energy is very expensive while renewable and does not harm the environment. In this article, we intend to express the positive points of tidal energy and have an overview of this energ...

• How many types of ball valves do we have and what parts are the

  by niusha ztm January 22, 2021
  A ball valve is a form of quarter-turn valve which uses a hollow, perforated, and pivoting ball to control flow through it. It is open when the ball's hole is in line with the flow and closed when it is pivoted 90-degrees by the valve handle. The handle lies flat in alignment with the flow when open...