Storage requirement definition study

A dish Stirling solar receiver (DSSR) and a heat pipe solar receiver with TES (HPSR) for a 25 kWe dish Stirling solar power system are described. The thermal performance and cost effectiveness of each are analyzed minute by minute over the equivalent of one year of solar insolation. Existing designs of these two systems were used as a basis for the study; TES concepts for the DSSR and alternative TES concepts for the HPSR are presented. Parametric performance and cost studies were performed to determine the operating and cost characteristics of these systems. Data are reported for systems (1) without TES and with varying amounts of TES, (2) with and without a fossil fuel combustor, (3) with varying solar to fossil power input, and (4) with different system control assumptions. The principal effects of TES duration, collector area, engine efficiency, and fuel cost sensitivity are indicated. Development needs for each of the systems are discussed and the need and nature of possible future TES solar modular experiments are presented and discussed

Two-stage potassium test turbine. Volume 1 - Fluid dynamic design and performance

Two stage turbine suitable for use in wet potassium vapor at temperatures of 1400 to 1600 deg

Three-stage potassium turbine performance test summary

Three stage potassium turbine performance testing and predictions of pressure distributio

Sexuality, subjectivity…and political economy?

This article argues that the relationship between sexuality and political economy remains elusive to the extent that fantasy is under-theorized. Queer and feminist theorists of this relationship provide accounts that assume we have moved away from kinship formations and towards new intimacies within late capitalism, yet continue to pay exclusive attention to ‘gay and lesbian’ subjects as the litmus test of sexual inequality. Debates about how far such subjects remain marginal (and in need of recognition), or have become co-opted (through commodification and reification) misses the ways in which kinship structures are not only an empirical issue. Reading Lauren Berlant and Teresa de Lauretis together, this article re-examines their arguments about the importance of ongoing and complex attachments to the familial, and proposes interdisciplinary ways of considering the relationship between sexuality and political economy otherwise