Effects of Different Meteorological Standards on Projectile Path

  • Rajesh Jayant Mukhedkar Armament Research & Development Establishment, Pune
  • Smita D. Naik Armament Research & Development Establishment, Pune
Keywords: ISA/ICAO standard met, prevailing met, trajectory model, Bernoulli’s force, temperature lapse rate, wind effect, air density


Projectile path is dictated by estimated line of fire. Line of fire can be estimated by referring RT as well as trajectory model on computer. RT is prepared under ISA/ICAO meteorological standard conditions without wind effect. Meteorological conditions like density, humidity, pressure, wind, temperature affect the path of the trajectory. Meteorological data plays very important role in trajectory prediction. Trajectory is predicted using RT for a particular weapon where ICAO standard met data is used. Ind Std met data is different from ICAO data. Use of Ind Std data improves the accuracy of trajectory prediction for Indian field deployment. In this paper, comparative study of effect on projectile path under ICAO, Ind Std and actual Indian prevailing met have been carried out and analyzed. From this analysis, a new model has been established that if actual prevailing met is not available then trajectory prediction can be carried out using Ind Std met data with wind data as perdate and time. It predicts trajectory very close to actual. Effect of wind has been studied and found that wind effect is very dominant on projectile path. Study of effect of density also has been carried out in this paper. It is observed that Ind Std density values are much close to actual as compared to ICAO. Therefore, if insufficient met is recorded then Ind std density can be used to fill density values for that region.Defence Science Journal, 2013, 63(1), pp.101-107DOI:http://dx.doi.org/10.14429/dsj.63.2641

Author Biographies

Rajesh Jayant Mukhedkar, Armament Research & Development Establishment, Pune
Mr RJ Mukhedkar received his MSc (Computer Science) and MTech (Modelingand Simulation) from Pune University. He is currently pursuing his doctoral studies at Defence Institute of Advanced Technology (DIAT) Deemed University(DU), Pune. He is currently Scientist at ARDE, Pune. His research interests include: Advanced modelling techniques for Military applications, Weapon Target Allocation Problem,Trajectory Correction System, Network Centric Warfare, complex warfare systems modelling and simulation.
Smita D. Naik, Armament Research & Development Establishment, Pune
Dr (Mrs) SD Naik received MSc (Mathematics) and PhD (Applied Mathematics) from Pune University. She is currently Scientist at ARDE, Pune. Her research interests include:Flight Dynamics and allied problems related to Defence. She has over 50 publications in Peer reviewed International Journals/conferences. She has guided 18 M.Tech and 6 PhD students. She is a member of Indian Women Scientist’s Association, Indian Mathematical Society, Indian Academy of Industrial and Applicable Mathematics, Indian Society of Industrial and Applied Mathematics. She was awarded the Laboratory Award– Scientist of the year in2003.
How to Cite
Mukhedkar, R., & Naik, S. (2013). Effects of Different Meteorological Standards on Projectile Path. Defence Science Journal, 63(1), 101-107. https://doi.org/10.14429/dsj.63.2641