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We investigate the role of radiative driving of shock ejected bipolaroutflows from advective accretion discs in a self consistent manner. Radiationsfrom the inner disc affects the subsonic part of the jet while those from thepre-shock disc affects the supersonic part, and there by constitutes a multistage acceleration process. We show that the radiation from the inner disc notonly accelerate but also increase the mass outflow rate, while the radiationfrom the pre-shock disc only increases the kinetic energy of the flow. Withproper proportions of these two radiations, very high terminal speed ispossible. We also estimated the post-shock luminosity from the pre-shockradiations, and showed that with the increase of viscosity parameter the discbecomes more luminous, and the resulting jet simultaneously becomes faster.This mimics the production of steady mildly relativistic but stronger jets asmicro-quasars moves from low hard to intermediate hard spectral states.

Radiatively and thermally driven self-consistent bipolar outflows from accretion discs around compact objects