Vijay Sarathy

centrifugal compressor aspen hysys dynamics natural gas gas compressor dynamic simulation optimization npv pipelines centrifugal pump load sharing sizing antisurge control compressor surge hysys dynamics performance curves pressure safety valve flow assurance variable speed drives antisurge valve lpg cylinder vessel blowdown net heating value gross calorific value higher heating value lower heating value hydrate formation temperature water surface temperature rate of evaporation schimdt number reynolds number sherwood number evaporation pond thermophysical properties light crude oils evaporation losses blowdown losses drift losses makeup water cooling towers pressure ratio oil fvf separation stages gör api gravity piping insulation heat transfer economic thickness critical thickness pipe sizing flash steam homogeneous model two phase flow condensate return lines rstreng dnv rp o0501 asme b31g erosion rate pipeline corrosion irr capm pir wacc pipeline economics pipeline cost unit conversion liquid vessel sizing design basis oil and gas parts per million chemical process calculations natural gas transmission asme b31.8 api 5l equation of state booster station gas pipeline operating envelopes pump operability bog boil off gas lng liquefied natural gas fan laws affinity laws centrifugal pumps api 526 api 521 api 520 air quality instrument air settle out temperature settle out pressure electric motor duty calculations aspentech hysys dynamics electric motor surge control parallel compressors general gas flow equation spitzglass equation aga equation modified panhandle equation weymouth equation water hammer joukowsky's equation pipeline surge slug catcher control systems centrifugal compresor ratio controller aspen hysys surge inertia number hot recycle calculation lahh lah liquid level process storage tank cascaded split range controller flow control vessel liquid level pump losses euler turbomachine equation volute casing end suction single stage radial type pipeline engineering multiphase engineering pvtsim fixed speed drives start-up power recycle arrangements normal shutdown emergency shutdown startup hot gas bypass