Cryogenic Engine

CE20 Cryogenic engine is the indigenous engine developed by the Liquid Propulsion Systems Centre of ISRO.

Cryogenic Engine
Table of Contents☰

About CE20 Cryogenic engine: 

  • It is the indigenous engine developed by the Liquid Propulsion Systems Centre of ISRO.
  • It is powering the upper stage of the LVM3 launch vehicle and has been qualified to operate at a thrust level of 19 tonnes.
  • This engine has successfully powered the upper stage of six LVM3 missions so far.
  • Recently, the engine was qualified for the Gaganyaan mission with a thrust level of 20 tonnes and also to an uprated thrust level of 22 tonnes for the future C32 stage, towards enhancing the payload capability of LVM3 launch vehicle.
  • It features an innovative Nozzle Protection System that overcomes previous complexities in engine testing.
  • Key achievements of the test include: successful testing of an engine with a nozzle area ratio of 100, evaluation of a multi-element igniter by activating only the first element, and confirmation of normal engine and facility performance.
  • Significance: This test marks a significant step in ISRO’s indigenous engine development, showcasing its ability to overcome complex rocket propulsion challenges.

Q1: What is Cryogenics?

Cryogenics is the study of how to get to low temperatures and of how materials behave when they get there. Besides the familiar temperature scales of Fahrenheit and Celsius (Centigrade), cryogenicists use other temperature scales, the Kelvin and Rankine temperature scales.

Source: ISRO conducts successful sea level hot test of CE20 cryogenic engine, paving the way for future missions

Update Icon
Latest UPSC Exam 2026 Updates

Date IconLast updated on Sep, 2026

→ UPSC 2027 Notification will be released on 13 January 2027 at upsconline.nic.in.

→ Asian Games 2026 are being held in Aichi-Nagoya, Japan, from 19 September to 4 October.

→ Check out the latest UPSC Syllabus here.

→ Download UPSC Model Answers for Mains 2026

→ UPSC Mains Question Paper 2026 is out now for Essay & GS Paper 1, 2, 3 & 4.

→ UPSC Calendar 2027 has been released.

→ Enroll in Vajiram & Ravi’s UPSC Mains Test Series 2027 for structured answer writing practice, expert evaluation, and exam-oriented feedback.

→ Join Vajiram & Ravi’s UPSC Mentorship Program 2027 for personalized guidance, strategy planning, and one-to-one support from experienced mentors.

→ Go through the UPSC Mains Previous Year Papers to enhance your preparation.

→ UPSC has released UPSC Toppers List 2025 with the Civil Services final result on its official website.

→ Also check Best UPSC Coaching in India

Vajiram Content Team
At Vajiram & Ravi, our team includes subject experts who have appeared for the UPSC Mains and the Interview stage. With their deep understanding of the exam, they create content that is clear, to the point, reliable, and helpful for aspirants.Their aim is to make even difficult topics easy to understand and directly useful for your UPSC preparation—whether it’s for Current Affairs, General Studies, or Optional subjects. Every note, article, or test is designed to save your time and boost your performance.
UPSC GS Course 2027
UPSC GS Course 2027
₹1,80,000
Enroll Now
GS Foundation Course 2 Yrs
GS Foundation Course 2 Yrs
₹2,45,000
Enroll Now
UPSC Mentorship Program
UPSC Mentorship Program
₹65000
Enroll Now
UPSC Sureshot Mains Test Series
UPSC Sureshot Mains Test Series
₹27000
Enroll Now
Prelims Powerup Test Series
Prelims Powerup Test Series
₹14000
Enroll Now
Enquire Now