ISRO News and Updates

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Indx TechStyle

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Gaganyaan is only where we are still listening about some practical progress and news chatter.

Human spaceflight seems to be top priority due to tendency of political class to compare India with US/Russia/China as well as BJP's won electoral points in 2024 elections (since human spaceflight would take place in 2023).

Expect other projects at least to be on a slow burner if not cold bag till India sends humans into space.
 

Okabe Rintarou

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Posting another set of Slides , there is still a lot of slides resting in my lap, will upload few days later . dont be bored bros . let these slides be here , will be helpful someone someday .

View attachment 119280View attachment 119281View attachment 119282View attachment 119283View attachment 119284View attachment 119285View attachment 119286View attachment 119287View attachment 119288View attachment 119289
Looks like the size of the "ISRO/DRDO slides and research papers" folder in your laptop is larger than the size of the hen tie folder in my laptop.

Watch @35:15 , "drop in 50 millibar pressure in LH2 tank lead to GSLV-F10/GISAT-1 failure.
1:26:24 Wonder what capacity constraints are being mentioned here for the Al-alloy longeron fabrication through plate route.
1:26:35 ISRO blokes using Redmi phones and tabs. FFS. (Or maybe its dudes at Midhani?)
1:26:52 Had no idea that is how they made curved isogrid surfaces.
1:26:58 Damn. Never knew they make gridfins with Wire EDM.
1:27:20 Wth is a supercappatery? Supercapacitor + Battery. I keep learning new things everyday.
2:15:44 Made for Gganyaan VILS: VikTor In-Loop Simulator. Component softwares include:-
VikTor: Vikram processor simulator which allows making of onboard flight computer simulator. VikTor-based onboard flight computer simulators used by flight software designers.
SITARA: Vehicle flight simulator (desi-KSP)
adVISE: Interface software
VILS used for closed loop simulations between flight computer simulator (based on VikTor) and vehicle flight simulator (SITARA) with adVISE interfacing between SITARA and VikTor-based on-board computer simulator.
VILS can simulate a rocket flight of 20 minutes duration in just 3 minutes.
Good to see Vikram processor being used in Gaganyaan onboard flight computer.

2:20:45 Another new tech I learnt from this:-
Fiber Optics based Measurement Sensors (FOMS) used for strain and temperature measurement in launch vehicle structural health monitoring. First demonstrated in GSLV D5 (2014). Planned use in RLVs.
FOMS works by emitting white light that falls on Fiber Bragg Grating (FBG) sensors placed at various structural parts where strain or temperature are to be measured. Under normal state, each FBG reflects light at a particular wavelength. This wavelength changes when strain or change of temperature are applied on the FBG sensor. So the Optical Processing System notes the change in wavelength reflected and can know the strain or temperature reading of each FBG sensor.
Now the presentation was about POWER (Programmable Optical Wave Energy Reflector) which is a testing system used to simulate wavelength shift to the Optical Processing System for the System's test and evaluation before its put onboard a rocket. Wavelength shift can be simulated by either temperature changes on a FBG sensor, which would require the entire thing to be put in a thermal chamber which stabilizes at one temperature in 15 hours. Their approach is simpler, simulating strain on multiple FBG sensors of different center wavelength (wavelength reflected at zero strain) by using that setup they showed at 2:23:27. This reduces testing and evaluation time from 15 hours to 15 minutes (shouldn't it be more than that?). POWER seems like a no-brainer to me, but this FOMS tech is new to me. I was still stuck in traditional strain gauge era.


Hack-proof communication network, self-eating-rockets, vanishing-satellites: Isro working on disruptive future tech
The first quantum comm. experiment (QUESS) is to be launched on a PS4 stage piggyback. No idea which PSLV mission though.
 

sorcerer

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India working with over 6 countries for Human Spaceflight Gaganyaan, says Dr.K Sivan
Sidharth MP

3-4 minutes


India is working with more than six countries to achieve the Gaganyaan Human Spaceflight mission, which is a symbol of International Cooperation, said Dr. K. Sivan, Chairman, Indian Space Research Organization (ISRO).

 

Okabe Rintarou

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India working with over 6 countries for Human Spaceflight Gaganyaan, says Dr.K Sivan
Sidharth MP

3-4 minutes


India is working with more than six countries to achieve the Gaganyaan Human Spaceflight mission, which is a symbol of International Cooperation, said Dr. K. Sivan, Chairman, Indian Space Research Organization (ISRO).

Good to see ISRO talking about sustained human presence on Moon or Mars. Now only thing I am waiting for is them to start talking about a Fusion Drive. New ArF Lasers may make ICF drives possible. US Navy is already working on ArF fusion.
 

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I read the parliament reply, Propulsion module & rover were fully assembled & ready, LSPT tests were successfully completed & Lander is in assembly stage. I think L110 & C-25 stages were also realised . But the problem is launching 2 GSLV-MK3'S in a very short span next year. Let's see what they will do.
 

FalconZero

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I saw some members had reservations about the ISRO-OPPO deal, here's a neat video by GS you can watch it (4 mins), it's in hindi but english captions are available which are decent

He gives examples of previous deals with RealMe, Xiaomi with ISRO, the fact Navic enabled chips off arm are already on the devices of redmi series.

This particular deal was about 'broadcast' service of NAVIC. Broadcast is basically one way message to large group of devices which is very useful in disaster management, weather warning and especially for fishing vessels. Apart from that basic NAVIC services that's it. It was just a PR show, highlights the good work of ISRO and give the needed pr for company but some media houses who are worthless pigs have never done anything good to society just plunged at the nonexistent low hanging fruit and created the mess of fearmongering.
 

sorcerer

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Union Minister Dr.Jitendra Singh says, ISRO has signed six agreements with four countries for launching foreign satellites during 2021-2023

132 Million Euros would be earned through launching of these foreign satellites on a commercial basis: Dr Jitendra Singh

The Minister says, from 1999 till date, a total of 342 foreign satellites from 34 countries have been successfully launched on board Indian Polar satellite Launch Vehicle (PSLV) on a commercial basis


Posted On: 16 DEC 2021 3:36PM by PIB Delhi



Union Minister of State (Independent Charge) Science & Technology; Minister of State (Independent Charge) Earth Sciences; MoS PMO, Personnel, Public Grievances, Pensions, Atomic Energy and Space, Dr Jitendra Singh said, ISRO has signed six agreements with four countries for launching foreign satellitesduring 2021-2023.


In a written reply to a question in the Rajya Sabha today, DrJitendra Singh informed that about 132 Million Euros would be earned through launching of these foreign satellites on a commercial basis.


Indian Space Research Organisation (ISRO) through its commercial arm, New Space India Limited (NSIL), a Govt. of India company under Department of Space (DOS), has been launching satellites belonging to other countries on-board Polar Satellite Launch Vehicle (PSLV), on a commercial basis.


NSIL as on date has signed six Launch Service Agreements with customers from four countries for launching foreign satellites into space on-board PSLV during 2021-2023.


A total number of 124 indigenous satellites have been put into Earth's orbit including 12 student satellites.


In another written reply to a similar question in the Rajya Sabha today, DrJitendra Singh informed that starting from 1999 till date, a total of 342 foreign satellites belonging to 34 countries have been successfully launched on board Indian Polar satellite Launch Vehicle (PSLV) on a commercial basis.


The Minister said that through launching of foreign satellites on-board Indian launch vehicle, India has earned a Foreign Exchange revenue of approx. 35 Million USD and 10 Million Euros during last 3 years (i.e., 2019- 2021).The type of foreign satellites that were launched through Indian Launch Vehicle includes satellites primarily for Earth Observation, Scientific and Technology demonstration purposes.


Country wise breakup of the number of satellites that were launched is indicated below:



Sl. No

Country Name

No. of Satellites Launched



Sl. No.

Country Name

No. of Satellites Launched

1.

Algeria

4



18.

Japan

5

2.

Argentina

1



19.

Kazakhstan

1

3.

Australia

1



20.

Latvia

1

4.

Austria

3



21.

Lithuania

4

5.

Belgium

4



22.

Luxembourg

5

6.

Brazil

1



23.

Malaysia

1

7.

Canada

12



24.

Netherlands

3

8.

Chile

1



25.

Norway

1

9.

Colombia

1



26.

Republic of Korea

6

10.

Czech Republic

1



27

Singapore

8

11.

Denmark

2



28.

Slovakia

1

12.

Finland

3



29.

Spain

2

13.

France

4



30.

Switzerland

4

14.

Germany

11



31.

Turkey

1

15.

Indonesia

3



32.

UAE

1

16.

Israel

3



33.

United Kingdom

12

17.

Italy

5



34.

USA

226
 

Haldilal

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How? How's the navic location of a device better than gps location? And please don't tell that with gps, they need to put in a new software to track because the bloatware in Chinese phones or any phone does that pretty well.
Ya'll Nibbiars Read this thread.

 

Covfefe

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Ya'll Nibbiars Read this thread.

Read already. Goes round in circles on how we should promote Indian companies, 12 billion dollars investment that Chongs shouldn't take advantage of(weird), Oppo will be strongly entrenched in the Indian market due to this(hardly so, which company has offered a particular type of navigation system as it's value please tell me. Customer doesn't give a damn if it's GPS or Navic as long as Maps and all work fine)
Also, no answer on how it is any more dangerous than the situation at present? They already have your location data if you use their phone. They also have a bulk load of other info(media, contacts, email, banking details) if you use their phone or apps (which you most likely do).
 

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