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Posts tagged “Robert Cohen”

By Robert Rapier on Feb 22, 2010 with 16 responses

Answering Questions on OTEC – Part II

This is the second installment responding to reader questions and comments on ocean thermal energy conversion (OTEC) by Dr. Robert Cohen. Dr. Cohen’s previous entries are: Ocean Thermal Energy Conversion Potential Markets and Benefits from Ocean Thermal Energy Answering Questions on OTEC – Part I RESPONSE TO COMMENTS RE OCEAN THERMAL ENERGY POSTED ON THE R-SQUARED ENERGY BLOG Robert Cohen, February 16, 2010 Environmental, Operational, and CO2 Issues Since the operation of an ocean thermal plant requires the circulation through the plant of a veritable “river of water”, careful design consideration must be given to minimizing effects on the local and downstream temperature distribution with depth. Hence a lot will depend upon how the effluent seawater is discharged following passage… Continue»

By Robert Rapier on Feb 21, 2010 with 38 responses

Answering Questions on OTEC – Part I

Dr. Robert Cohen has been involved in ocean thermal energy conversion (OTEC) since the early 1970′s. He has posted two guest essays here previously: Ocean Thermal Energy ConversionPotential Markets and Benefits from Ocean Thermal Energy Following both essays, a number of questions and concerns were raised, so I asked Dr. Cohen if he would respond. He has written me a thoughtful and detailed response, and I will present it here in two parts. Dr. Cohen also has a website with more information on OTEC. His contact information is available there. Part I is a general commentary on history, current status, and the projections for cost and a market-entry outlook. Part II will delve deeper into the engineering and environmental questions… Continue»