A detailed exergoeconomic analysis is performed for a combined cycle in which the waste heat from the Gas Turbine-Modular Helium Reactor (GT-MHR) is recovered by an ammonia-water power/cooling ...

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Gas Turbine-Modular Helium Reactor (GTMHR) is a promising option to meet today's soaring energy demand. A GTMHR combined with organic Rankine cycles (ORCs) can deliver higher performance.

The gas turbine–modular helium cooled reactor (GT–MHR) is currently being developed by an international consortium; the pebble bed modular reactor (PBMR) is to be constructed in South Africa.

DOI: 10.1016/J.APPLTHERMALENG.2016.08.011 Corpus ID: 113584909; Exergoeconomic evaluation and optimization of a novel combined augmented Kalina cycle/gas turbine-modular helium reactor

Downloadable (with restrictions)! A detailed exergoeconomic analysis is performed for a combined cycle in which the waste heat from the Gas Turbine-Modular Helium Reactor (GT-MHR) is recovered by an ammonia–water power/cooling cogeneration system. Parametric investigations are conducted to evaluate the effects of decision variables on the performances of the GT …

Beyond their power generation benefits, the modular helium reactors can be used in the destruction of weapons grade plutonium. The gas turbine modular helium reactor has the ability to destroy 90% of weapons grade plutonium-239 and …

Semantic Scholar extracted view of "Exergoeconomic assessment and parametric study of a Gas Turbine-Modular Helium Reactor combined with two Organic Rankine Cycles" by F. Mohammadkhani et al.

The reactor consists of a 12 × 12 matrix of reactor grade graphite (H451) hexagonal blocks confined into a cylinder of 3.5 m radius and 10 m height; the interstitial gap amid the hexagonal blocks is 0.1 cm.The fuel is loaded into three concentric rings of hexagonal blocks and it axially covers only 7.93 m of the height of the reactor, since at top and at the bottom of the …

The Gas Turbine - Modular Helium Reactor (GT-MHR) couples a high temperature gas cooled reactor (HTGR) with a Brayton power conversion cycle to produce electricity at high …

Request PDF | An exergoeconomic investigation of waste heat recovery from the Gas Turbine-Modular Helium Reactor (GT-MHR) employing an ammonia-water power/cooling cycle | Cited By :3, Export Date ...

An exergoeconomic analysis is reported for a combined system with a net electrical output of 299 MW in which waste heat from a Gas Turbine-Modular Helium Reactor (GT-MHR) is utilized by two Organic Rankine Cycles (ORCs). A parametric study is also done to reveal the effects on the exergoeconomic performance of the combined system of such significant …

Recent advances in gas-turbine and heat exchanger technology have enhanced the potential for a Modular Helium Reactor (MHR) incorporating a direct gas turbine (Brayton) …

The capability to operate on LWRs waste constitutes one of the major benefits of the Gas Turbine-Modular Helium Reactor; in this paper, it has been evaluated the possibility to incinerate the LWRs waste and to simultaneously breed fissile {sup 233}U by fertile thorium. Since a mixture of pure {sup 239}Pu-thorium has shown a quite poor neutron ...

Analytical modeling of helium turbomachinery using FORTRAN 77. NASA Astrophysics Data System (ADS) Balaji, Purushotham. Advanced Generation IV modular reactors, including Very Hig

helium as primary coolant from the reactor directly driving the gas turbine electrical generator. This cycle can achieve a high net efficiency in the range o 45f % to 48%. In the design of the GT-MHR the desirable inherent characteristics of the inert helium coolant, graphite core, and the coated fuel particles are supplemented with specific design

Downloadable (with restrictions)! An exergoeconomic analysis is reported for a combined system with a net electrical output of 299 MW in which waste heat from a Gas Turbine-Modular Helium Reactor (GT-MHR) is utilized by two Organic Rankine Cycles (ORCs). A parametric study is also done to reveal the effects on the exergoeconomic performance of the combined system of such …

DOI: 10.1016/J.PNUCENE.2016.02.006 Corpus ID: 124419445; Investigation of a gas turbine-modular helium reactor using reactor grade plutonium with 232Th and 238U @article{ahin2016InvestigationOA, title={Investigation of a gas turbine-modular helium reactor using reactor grade plutonium with 232Th and 238U}, author={S{"u}mer Şahin and …

DOI: 10.1016/J.ENERGY.2013.09.038 Corpus ID: 110536854; An exergoeconomic investigation of waste heat recovery from the Gas Turbine-Modular Helium Reactor (GT-MHR) employing an ammonia–water power/cooling cycle

There is a cleaner, more economical, and much safer way to generate elec tricity. The Gas Turbine-Modular Helium Reactor (GT-MHR) is a new turbine generating system powered by a …

Gas Turbine-Modular Helium Reactor (GTMHR) is a promising option to meet today's soaring energy demand. A GTMHR combined with organic Rankine cycles (ORCs) can deliver higher performance.

Attachment 3 - Gas Turbine - Modular Helium Reactor Design & Safety Approach. Attachmment 4 - GT-MHR Project Update and Pre-Application Objectives. REPLACEABLE CENTRAL &SIDE …

A comprehensive study is performed on an energy conversion system which combines a gas turbine-modular helium reactor (GT-MHR) and two transcritical CO 2 cycles (tCO 2).The aim of this study is to assess the energy, exergy and economic behavior of the proposed system, considering five indicators: the energy efficiency, the exergy efficiency, the total exergy …

Preliminary studies have been performed on operation of the gas turbine-modular helium reactor (GT-MHR) with a thorium based fuel. The major options for a thorium fuel are a mixture with light water reactors spent fuel, mixture with military plutonium or with with fissile isotopes of uranium. Consequently, we assumed three models of the fuel containing a mixture …

A comparative thermodynamic analysis and optimization is presented for waste heat recovery from the Gas Turbine-Modular Helium Reactor (GT-MHR) employing organic Rankine cycle (ORC) and Kalina cycle (KC). Thermodynamic models are developed for the stand alone GT-MHR and the two proposed combined cycles and the effects on the performances of the …

A comparative exergoeconomic analysis is reported for waste heat recovery from a gas turbine-modular helium reactor (GT-MHR) using various configurations of organic Rankine cycles (ORCs) for generating electricity. The ORC configurations studied are: a simple organic Rankine cycle (SORC), an ORC with an internal heat exchanger (HORC) and a regenerative …

Gas Turbine-Modular Helium Reactor (GTMHR) is a promising option to meet today's soaring energy demand. A GTMHR combined with organic Rankine cycles (ORCs) can deliver higher performance. This paper presents an exergoeconomic optimization for a combined system comprising a GTMHR and an ORC where the ORC recovers the GTMHR waste thermal …

Gas Turbine-Modular Helium Reactor (GTMHR) is a promising option to meet today's soaring energy demand. A GTMHR combined with organic Rankine cycles (ORCs) can deliver higher performance. This paper presents an exergoeconomic optimization for a combined system comprising a GTMHR and an ORC where the ORC recovers the GTMHR waste …

A qualitative comparison between the safety characteristics of the Gas Turbine-Modular Helium Reactor (GT-MHR) and those of the steam cycle shows that the two designs achieve equivalent levels of overall safety performance. This comparison is obtained by applying the scaling laws to detailed steam-cycle computations as well as the conclusions obtained from …