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Showing posts from October, 2019

Case study of NAMBI NARAYANAN- An Inspiration...

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CASE STUDY OF NAMBI NARAYANAN : An Inspiration...      You thought who is Nambi Narayanan, we never heard anything about him. Who is he?? 90% of Indians don't know about him.    It's a Normal questions. But believe me his life was not normal. Police arrested him for a spy case. Then you think why I discuss about Nambi Narayanan! , who taunted as a criminal. So read this carefully ... Nambi Narayanan , Former ISRO scientist. S. Nambi Narayanan  (born 12 December 1941)is an INDIAN scientist and an aerospace engineer. As a senior official at the ISRO he was in-charge of the cryogenics division.   In 1994, he was falsely charged with espionage and arrested. But the charges against him were dismissed by the CBI in April 1996,and the supreme Court of India declared him not guilty in 1998.         In 2018, the Supreme Court, through the bench of Dipak Mishra...

BASIC CONCEPT OF TRANSFORMER

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WHAT IS TRANSFORMER: Transformer is a static device which transfer energy from one circuit to another without changing the fr equency. Transformer based on the principle of  Mutual Induction. Parts of Transformer :     1:Coil     2:Winding     3:Conservator tank     4:Transformer oil     5:Breather     6:Buchholz relay                                                                                         7:Tank Coil:   I t's a valuable part of transformer. It's provide the path for going magnetic flux .   2:Winding:    The primary  winding  of a  transformer  is connected to the input voltage supply an...

WHAT DO YOU THINK ABOUT MARS??

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Mars is the fourth planet of the sun. In our solar system Mars is a second smallest planet .In English Mars is known as Roman god of war .It is known as red planet. Mars is a terrestial planet with a thin atmosphere. IS THE MARS RED OR NOT: When Mars is bright and close to the earth we see that this planet is red. Even photos from spacecraft show that it is rusty red color. The hue comes from the fact  that the surface is actually rusty for it is rich  in iron oxide. Iron is coming from rain and will get covered with rust as the oxygen in the air . But if you look closely ,you will see that it can actually be the many different colors. Some regions are look like bright orange, other look like brown or black.But if you average everything ,you get that Mars is familiar to red . so we called Mars is red planet. IS THE MARS HOT LIKE DESERT: The average temperature of Mars is around 80 degrees fahrenheit. So it is cold.This pla...

CHANDRAYAN-2- mission to the moon

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                             FAILURE IS THE SUCCESS OF PILLAR - it's really true. First attempt fail, whole world talked about it. Everybody thought that this is Impossible. But they proved that nothing is impossible.Yes, this is INDIAN SPACE RESEARCH ORGANIZATION, world known as ISRO . The largest space agency in the world. ISRO was successful in every complex mission in their first attempt. Chandrayaan 2 is one of them. It's a really complex mission because the mission consist one lander called vikram, rover pryagyan and orbitor. In every complex mission every space agency should focus on only orbitor mission. Mission to Moon is not easy.  The main scientific objective is to map and study the variations in lunar surface composition, as well as the location and abundance of lunar surface. The spacecraft was launched on its mission to the Moon from the second laun ch pad at the Sa...

MISSION GAGANYAAN-new complex mission of ISRO

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The honorable Prime Minister of INDIA Narendra Modi had announced about the Gaganyaan mission during his speech in the independence day . The Chairman of ISRO Mr. K Sivan said ,"our Prime Minister has declared a great gift for all of us that is Gaganyaan mission". This is Indian first manned space mission. After getting success of every complex mission like 104 satellite launched by one rocket, mission to Mars etc. ISRO is capable to launch first manned space mission. ISRO choose for this mission GSLV(Geosynchronous Satellite Launch Vehicle) rocket. For this mission ISRO need 3 astronauts.The crew module in which the three astronauts will leave for space, will be made of 3-7 meter diameter and 7 meter height. According to G Madhavan Nair (former ISRO Chief): The mission will enables ISRO to achieve higher levels of reliability in launch and satellite technology. It will help in providing employment to 15000 people and out of them 861 will be from ISRO. This human space fligh...